Holley 600 double pumper.

Holley 600 double pumper 86 frt IAB and 78 Oct 20, 2003 · I ran a Holley 600 on an 88 longblock with a Perfromer intake and ran a best of 13. Replaced the pump diaphragm, replaced the meter block gasket installing it correctly, double checked pump arm adjustment, installed check needle under nozzle, reviewed float levels, verified fuel pressure @ 6 psi. Dec 18, 2014 · The 750 comes with . would normally put a 3310 750 vs on it and be done - but this carb came on it, is fairly new and I don't want to cough up $300 for a new carb at this time. Have to pour a few ounces of gas to cold start the car. The car would stumble as soon as the throttle was cracked open from idle. com 199R10013 Revision Date: 1-24-14. 18 degrees initial, 36 total. 600: 37-119 37-933: 6-506 122-66: 134-9134-128: 125-65 0. Part Number: PRO-67222. From their roots as the premier carb on many factory muscle cars, to powering thousands of vehicles across the finish line, the Dec 20, 2011 · well im gonna go new so then theres a warranty but please i need your in put before making a mistake on the purchase should i go for a 600 holley double pumper or just get the basic holley 600 thank you for your replies in advance if you wanna check out the car im putting it on its in my pics Find Holley 4150 Double Pumper Carburetors and get Free Shipping on Orders Over $109 at Summit Racing! Holley 4150 Double Pumper carburetors are a perfect upgrade for hot street cars and race vehicles—they're an American icon when it comes to performance. Think it Carburetors built for performance! The Carburetor is the foundation of our expansive line of fuel system components! Holley Double Pumper® carburetors are a perfect performance upgrade for hot street cars and race vehicles. I know the 750 is concidered a bit much for my motor, but its what I have I was just about convinced to sell or trade my 750 for 600-650cfm Jul 29, 2019 · With a double-pumper, selecting the proper carb size for the application is more discerning. The timing was checked and I am running at 37 degrees Total Featuring Stainless Steel construction and a lightweight yet rugged design, it provides a bulletproof method of adjusting secondaries on all Double Pumper, HP, and Ultra XP carburetors. protection. 8/351W) - holley 600? 650? double pumper - hi everyone! help me with this one i can get a holley 600/650 double pumper like new WITH a edlebrock performer 289 manifold for 185. However, it is our intent to provide the best possible products for our customer; products Aug 19, 2013 · have a 600 cfm holley double pumper that is being refreshed. Holley's aluminum 0-4776SA will hold its shine longer and also can be hand polished for a custom look! Holley Double Pumper® carburetors are a perfect performance upgrade for hot street cars and race vehicles. $40. 5 comp, Holley dual plane, Voodoo 60103, Accel HEI, short 1 5/8 headers, 2 1/2 duals, stock converter, with 3. Holley 0-4776C Model 4150 Double Pumper 600 CFM Square Bore 4-Barrel Mechanical Secondary Manual Choke New Carburetor . I'm changing from a Rochester Qjet setup. 2025 LS Fest West MSD MSD Atomic Airforce. 500 lift, Dart intake. The Teflon that Holley uses to seal and properly clearance the blower will generally make noise while it is breaking in. The 0-6210 is a Model 4165™ Spread Bore designed to fit several applications. I am pretty sure that carb was in working order. Be sure it is filled to the proper level. 2 product ratings Remanufactured Holley list # 4776. 00. Apr 14, 2021 · Holley 0-4776S Zinc-Coated Double Pumper Carburetor 600 cfm Features: Mechanical Secondary; Dual Accelerator Pumps; Manual Choke; Two Corner Idle; Dual Feed Fuel Inlet; 1 Timed Port/1 Vacuum/1 PCV Port; Intended For Lightweight Vehicles w/Manual Trans. 75 out of 5 stars. Skip to main content. See application chart below in tech resources for specific details. 7. I tried a Holley 600 double pumper and it didn't run worth a crap. Double Pumper. I need to know which one is the best for my set up. Stock jetting is 66/76. We are making them directly available to the public. 5 out of 5 stars. From their roots as the premier carburetor on many factory muscle cars to powering thousands of vehicles across the finish line, the Double Pumper is a Holley 600 CFM Double Pumper Carburetor Manual Choke Shiny Finish - 4150 Model. Remanufactured Genuine Holley 600 CFM Carburettor 4 Barrel, Square Bore pattern . told me, the carb info is correct, the intake I'm not sure about as I can't find any markings on it, and the cam is "a cam made for an rv with more torque" the p. There are kits that allow a quicker or later opening for fine tuning a road-race or dirt track car that is often on and off the throttle. Holley 4150 Double Pumper Carburetors. There are many good 600-700 CFM carbs available used and in good condition Mar 23, 2010 · The car has a very mild 351C 2V with and Edlebrock Performer, and a 700 Holley double pumper carb. I see a lot of 3310-3's around. Part Number: HLY-0-4776S. This retains the factory Holley calibration and jetting. Out of stock + Wishlist May 14, 2013 · just my 2 cents on this one, iv had this problem before. 0 5. Finally, most of the popular Holley carburetors incorporate a power valve blow-out protection Mar 17, 2007 · ‎Holley 0-80592S 600 CFM Supercharger Double Pumper Carburetor-Draw Thru Design : Color ‎No rollr : Material ‎Plastic : Suggested Users ‎unisex-adult : Number of Items ‎1 : Part Number ‎080592S : Included Components ‎Holley 0-80592S 600 CFM Supercharger Double Pumper Carburetor-Draw Thru Design : Size ‎No Size Oct 10, 2003 · You said you converted a 650 to a 600. From their roots as the premier carburetor on many factory muscle cars to powering thousands of vehicles across the finish line, the Double Pumper is a Holley Double Pumper 750 cfm Square Bore 4150 4BBL Carburetor - 04779S. The 750 cfm double pumpers are a 4 corner idle setup vs the other 600 and 650 which are a 2 corner idle on the old 4776 and 4777. Carb was a Holley 650 double pumper but was modified sometime ago with a 750 Proform main body, Quick Fuel Billet Holley 0-4776S 600 CFM Double Pumper Carburetor. Jul 9, 2016 · 87 318 stock bore holley 750 double pumper, performer rpm intake, and rv cam, this is what the p. Quick View. From their roots as the premier carburetor on many factory muscle cars to powering thousands of vehicles across the finish line, the Double Pumper is a great choice whether you are burning up the 600: 37-119 37-933: 6-506 122-66: 134-9134-128: 125-65 0. Remanufactured Holley Carburetor, Double Pumper, 600 CFM with Manual Choke, Dichromate Finish. As a staple on hot street cars and race vehicles, this four barrel carburetor's dual accelerator pumps provide additional fuel under initial acceleration for awesome tire-turning performance in lightweight vehicles and vehicles with manual transmissions or low gearing. Plus, with mechanical secondaries, your Remanufactured Holley Carburetor, Double Pumper, 600 CFM with Manual Choke, Dichromate Finish. If you instead go to a Holley, forget the double pumper if driveability/ economy is a concern. Tips include: How to check for the clearance between the accelerator pump diaphragm arm & operating lever; how-to select the correct accelerator pump nozzle size, and accelerator pump cam selection and installation. Holley's website shows it as a 108-34-2. 034 primary and the rear metering plate comes with a . Categories / Gauges and Gauge Accessories May 28, 2018 · I have another old 3310 with a conversion metering block installed on it. See Holley Products Below or Contact Us for any Products Not Listed/Out of Stock. From their roots as the premier carb on many factory muscle cars, to powering thousands of vehicles across the finish line, the Double Holley 600 CFM, Four barrel, Square bore, Double pumper, Manual choke, Please contact us to check suitability to your application (0 reviews) $ 745. R1850-5. This allows you to get a great deal on a like-new carburetor! Oct 25, 2001 · Trying to get my old motor started as it has been sitting for a few years. news. Nov 15, 2000 · Small Block V8 (221, 260, 289, 5. Gasket Colors may Vari : KT-5175B: Holley 37-485: Holley Brand Double Pumper Carb rebuild kit Fits - Holley 4776,4777,4778,4779, 4780,4781: 37-485: KT-5278B: Aftermarket Double Pumper Carb rebuild kit Fits - Holley 4776,4777,4778,4779, 4780,4781. I was content with that as it was about 90 degrees and 80% humidity. First of all, lets take a 600 double pumper, like the Holley's #4776 which is a mechanical secondary carb. Go with a 600-700cfm vacuum secondary holley. The troublesome carb has a 108-89-2 gasket. 600 Cataclean - Fuel and Exhaust System Cleaner; Motorcycle and Powersports; Gauges and Gauge Accessories. It is a 350, roughly 9. We supply the following types of Holley carburetors: Two Barrel Carburetors (2-bbl) Four Barrel Carburetors Universal Double Pumper (600, 650, 700, 750, and 800 CFM) Holley Performance Products cannot and will not be responsible for any alleged or actual engine or other damage, or other conditions resulting from misapplication of the products described herein. comp 08-432-8 roller cam vortec heads 9. Feb 14, 2009 · ok, this is my first build, just rebuilt my holley and am wondering what would be a good initial jet setting for it for my build. Description 1 Dashpot Nut 2 Dashpot Assembly 3 Da shpot Bracket Screw 4 Dashpot Bracket 5 Throttle Lever Extension Screw 6 Throttle Lever Extension Nut May 17, 2021 · Most double-pumper carbs are equipped with a progressive linkage that starts opening the secondaries when the primaries are about 40 percent open. The pn on the metering plate is 11398. 033 IFRs' with . 99 4 left in stock Dec 20, 2021 · Proform Performance Carburetor Rebuild Kit Holley Double Pumper 600-850 cfm. $28. Holley Street Warrior 600 CFM 4-Barrel Carburetor 0-80457S Dominator, Avenger, Double Pumper, and more—dozens of styles in stock and ready to ship! Shop now! Apr 14, 2015 · Holley makes performance style “standard” flow or a high flow power valve, which has a larger opening. My floats are adjusted with just a drible out the sight bolws when car is shacken, 4. Bill Tichenor. NOTE: The recommended fuel pressure is 5-7 psi. you will need a GOOD timing light, and a vacuum gauge. Attached are pictures of the primary and secondary metering block with a flashlight shining in the needle hole. Recheck to assure all existing vacuum hoses are attached properly. Holley 4150 Double Pumper 600 CFM 4-Barrel Carburetor 0-4776S Carburetors, Model 4150, 600 cfm, 4-Barrel, Square Bore, Manual Choke, Mechanical Secondaries, Dual Inlet, Shiny Finish, Straight-leg Booster, Each Holley 600 cfm 4776 Double Pumper Carburetor BASE PLATE Broken. (Holly 750 4779 double Holley 4150 Double Pumper 600 CFM 4-Barrel Carburetor 0-4776S Carburetors, Model 4150, 600 cfm, 4-Barrel, Square Bore, Manual Choke, Mechanical Secondaries, Dual Inlet, Shiny Finish, Straight-leg Booster, Each This Holley Carburetor is a direct replacement for all square bore intake manifolds. I am getting it cleaned up and noticed that the idle screw passages are not drilled to ports. To get there, the engineers from Holley took the 4150 racing lineup and pretty much rebuilt it from scratch. Holley Brawler Installation and Basic Tuning. Double Pumper carburetors are an American icon when it comes to performance carburetors. When WOT is achieved are the secondary plates supposed to be straight up and down? How much gap is there at idle setting between the primary plates and the plate wall? Thanks in advance> Holley Double Pumper® carburetors are a perfect performance upgrade for hot street cars and race vehicles. Install the stud in the throttle extension lever (Figure 1). Apr 14, 2021 · But the most recent was the biggest and it proved to be an extremely comprehensive overhaul. com Holley Double Pumper® carburetors are a perfect performance upgrade for hot street cars and race vehicles. 005 wire in Mar 17, 2024 · On the other hand something like a Holley 600 double pumper would be too big. Engine testing all carburetors prior to shipment ensures that when a new QFT™ carb is bolted on an engine, it will start, idle and perform up to the customer’s expectations. $349. Factory Refurbished carbs have undergone a thorough inspection. Availability: 2-6 Business Mar 24, 2017 · Years ago I had an Edelbrock TR1-Y with a single top. 040 secondary for the idle feed restrictors so that along with the idle air bleeds work hand in hand for how things work on the idle circuit. holley. See full list on jegs. RUNNING HOLLEY 600 CFM DOUBLE PUMPER CARB 4776-4 CHEVY FORD 302 351 327 304 5. Feb 17, 2017 · A vacuum secondary does everything the same as the double pumper all the way around except when you get on it and hit 3/4 to wide open throttle then the difference is the double pumper squirts fuel to cover momentary lean spot and is a little quicker to respond and the vacuum secondary when it is setup good enough it will slowly open up and go Holley's new 0-4776SA is constructed from aluminum which compared to its zinc counterpart. 650 was a double pumper? You might want to make sure the idle air bleeds are correct for your application, air bleeds that are the wrong size will make your idle mixture screws un-responsive. Jan 19, 2012 · I have a 396/425 in my chevelle (66) and it has a Holley 4150 double pumper with mechanical secondaries- also 600cfm and I wondered the same thing. Staff Writer. Holley Brawler Tunnel ram carburettors. I found an equation (on google) to apply to the situation that showed I only needed 585 cfms with my set up. Designed for the customer who is running 2 x 4 barrel set up and needs a 600 CFM double pumper (mechanical secondary) carburettors I just replaced my 570 Street Avenger with a new 600 Double Pumper, and I’m having an issue with a lean spot at part throttle. Brand New. Holley Double Pump Specs: - Barrels: 4 - Color: Gold Dichromate Finish - Boost: Straight - CFM: 600 - Choke: Manual - Emission Code: 3 - Fuel Jul 17, 2022 · Proform 67222 - Performance Carburetor Rebuild Kit Holley Double Pumper 600-850 cfm (3) $76. No. Check the oil level in the blower. Specifically the 3310, 4150, 4160, and 4779. or Best Offer. 08 rear. May 18, 2008 · The carbs are holley 80575S 600cfm mechanical secondary double pumper supercharger carbs for my 671 blown chevy 350. Pre-Owned · Holley. 5 power valve about 8lbs fuel pressure about 10 inches of vacume at idle 67 main jets. Front Jets are 66 and the secondaries are 73. Holley Street Warrior 600 CFM 4-Barrel Carburetor 0-80457S Dominator, Avenger, Double Pumper, and more—dozens of styles in stock and ready to ship! Shop now! Dec 3, 2018 · Holley makes several kits—mainly for either the 0-3310 750 cfm or the 0-1850 600-cfm carbs. It's a great little carb for many performance engines. Nov 24, 2020 · Among the most popular 750 cfm Double Pumper Holleys is the traditional PN 0-4779C. Included in the mix are 600, 650, 750, 850 and 950 CFM examples. These Holley Classic Double Pumper 4-barrel carburetors sport the classic Holley "gold" Dichromate finish. if its a holley double pumper put 72 primary jets in it and 73 in the rear for a higher rated cam. Holley also makes track-tested racing carburetors too, namely its Track Warrior and Dominator models. 5. 2 corner idle, 30cc pumps, all non stick gaskets 6. This may just have been the one I got, but I ran an Edelbrock 600 carb for a while and it completely sucked after less than a year of use. Brand: Holley. 8 out of 5 stars. did a great job saving the info on stuff lol. From Fits - Holley 3310-2 threw -6 80508 . Top off your your engine with an American icon - the Holley Model 4150 Double Pumper. If the temperature is below 72 degrees, the choke will close and the accelerator pump nozzles should discharge fuel. A vac secondary carb is a much better choice for a street car. Purchase a new Holley Polished Double Pumper 600 CFM 4-Barrel Carburetor with Manual Choke from CJ Pony Parts today! California Residents: Proposition 65 Warning Related Categories: Mustang Parts , Mustang Engine , Mustang Carburetors , Ford Bronco Parts , Bronco Engine Holley 4150 Double Pumper 600 CFM 4-Barrel Carburetor 0-4776C. I don't have a wide band afr gauge at the moment so I'm looking for recommendations to get me in the ballpark. May 21, 2010 · Yes, the QJ has smaller bores on the primaries but the Holley is a well designed carb and makes up for that. Product Q&A View Now. That's all I Jul 23, 2007 · I have a Holley 3310 750 vac sec. It is a H4-4150 . $150. 2-6 Business day lead time to ship. HOLLEY 600 CFM DOUBLE PUMPER CARBURETOR L-4776-2 MANUAL CHOKE STREET HOT ROD. From their roots as the premier carburetor on many factory muscle cars to powering thousands of vehicles across the finish line,the Double Pumper is a from your Holley® dealer (Holley® P/N 20-67). If I had to guess, the 66 fronts don't seem too Holley; Holley Carburetors and Parts Australia Superformance is an Australia based supplier of Holley 750, 650, 600, 465, 350, and Sniper EFI carburetors. power valve in secondary metering blocks? The Hot Rod Series is a versatile performer designed for the most discerning street enthusiast. Sep 11, 2019 · 1. 99 4 left in stock Feb 27, 2022 · 650 CFM Holley Brawler Diecast Carburetor; Marvel at the beauty of a carburetor in its natural habitat — onboard a large displacement American V8, this one under the hood of the Holey Goat 1970 Pontiac GTO. Is this carb a double pumper or a Vac secondary? Either way, I've had the same problem on both. They are available in a variety of CFM (Cubic Feet per Minute) sizes to meet the volumetric efficiency your engine requires and for many sizes you can choose from the carburetor by itself or two kit options: one with a braided fuel line or another with both a fuel line and JEGS liquid Feb 3, 2022 · Ok here is the information on the Holley 750 of all the ones your looking at. Now would be the perfect time to upgrade to a Holley Powershot air filter (Holley P/N 120-146). Jul 21, 2018 · I have a 600cfm 4150 mechanical secondary dbl pumper with the stock Jets and power valve. Worked that down to 60/70 which put it in the mid 11s and picked up 30 hp. Gasket Colors may Vari. 4160. Also has the popular ACFI Bright Zinc finish. Out of Stock (Temp) - Call to check Temporarily Out of Stock - Call to Check. This carb doesn't have the adjustable needle seats in the float bowls. In an effort to help our viewers identify which Holley carb they have or what carburetor they want to buy, we've put this list together. 1 bid · Time left 4d 12h left (Sun Mar 8, 2023 · We will approach this story using a typical Holley four-barrel 750 cfm vacuum secondary carburetor with two idle mixture screws. It sure runs good-presently 3/4 cam -m22-373 gears -rectangular ports heads. Features include button torx head throttle plate screws, timed and full vacuum tubes for accessories and tuning, slip link mechanical secondary linkage, and power valve blow out protection! Product details: Component for use on Holley 600 CFM Holley Double Pumper with Mechanical Secondary applications. $745. com)These days, the talk is all about EFI and fuel injection retrofi Tonight, I pulled the carb again. 8. Commonly available double-pumpers are available in 50-cfm increments from 600 cfm through 950 cfm. Parts Only. Featuring lightweight die-cast aluminum components, the HR-Series offer all the tunability you would expect from more expensive racing carburetors, including changeable bleeds, idle feed, power valve channel restrictions, and four-corner idle. If your Holley carburetor is equipped with four idle mixture screws, the procedure will be exactly the same except that the additional two screws will receive the same attention. A blown power valve dumping allot of fuel through the carb might make the idle screws seem unresponsive too. If at all possible, avoid any “two-stage” power valve. Holley itself has a huge website at Holley. 5 out of 5 stars. JEGS 15022 - Carburetor Standard Main Jet Kit with Case [Sizes: 90-100 Mar 22, 2018 · double pumper; holley; Page 1 of 2 1 2 Next > Joined: Mar 21, 2018 Posts: 12. 27 gears. Jul 18, 2009 · I'm looking for info on the Holley 750 Double Pumper carburetors. Carburetor 650 CFM 4150 Model 4 Barrel Double-Pumper Compatible with Holley Quick Fuel Brawler Diecast Carburetors Mechanical Secondary Electric Choke, Square Bore Flange Replace#BR-67255 (650 CFM) 3. 00 Part No: RH4776 Read more Holley 4150 Double Pumper 600 CFM 4-Barrel Carburetor 0-4776S Carburetors, Model 4150, 600 cfm, 4-Barrel, Square Bore, Manual Choke, Mechanical Secondaries, Dual Inlet, Shiny Finish, Straight-leg Booster, Each An 850 cfm "double pumper" turns out to be a 650 cfm with vacuum secondaries. 5 high flow power valve. Jun 10, 2021 · On the older style Holley carbs the double pumper carbs are setup with a lot richer of an idle circuit compared to a Holley vacuum secondary of the 600 and 650 cfm range size. Figure 1—Chrysler applications FORD APPLICATIONS: NOTE: Unless replacing an existing Holley® Carburetor, you will need to purchase Holley® P/N 20-91, spring and perch kit, for Ford automatic transmissions. 039 idle feed restrictor. Only used for a Very Short Time as Supercharger did not suite application so went in a different direction. Author: Dec 22, 2015 · Quick Fuel Technology® (QFT™) ships carburetors only after they have been thoroughly run-tested and adjusted on a typical engine. These tips apply to Holley four-barrel carburetors. set your squirter cam back to the original position. 00 what are the advantages to this set up? is it reliable (thats really important!!) i assume that Dec 20, 2021 · Proform Performance Carburetor Rebuild Kit Holley Double Pumper 600-850 cfm. AS NEW CONDITION. Racing technology marched forward and so did the Holley double pumper. It offers a 4150 configuration with metering blocks on the primaries and secondaries and also offers four-corner idle control, which is preferable for engines with big single plane intake manifolds and long-duration cams. 600 CFM - DOUBLE PUMPER - MECHANICAL SECONDARIES - DUAL FUEL INLETS. I replaced the stock intake with a ford 4barrel intake 20 years ago and put a holley 600 double pumper on it and it always bogged on heavy foot take off. I have 33 squirters in it. 031: Plain 108-83-2: 108-89-2 108-90-2: N/R 134-101: 134-105 112-20: 1-1/4 1-5/16: 1-9/16. Here’s a quick “how-to” that covers installing a new Holley Brawler double-pumper Oct 27, 2005 · A fellow at work asked me if I wanted a holley carb that had been sitting for 2 years in his garage. 8-1 compression on L31 block professional products cross-wind intake 1 5/8 semi-long Apr 26, 2017 · I am rebuilding a Holley 600 double pumper. Estimated Ship Date: Monday 6/10/2024 Genuine Holley Quality Parts to service all Holley Performance Carburetors! Feb 7, 2010 · Small Block V8 (221, 260, 289, 5. B Jan 29, 2016 · Mechanical-secondary carbs—the classic "double-pumper" design—should be reserved for truly high-performance combinations and, as Holley recommends, lighter vehicles with a curb weight of 3,100 Dec 4, 2011 · In looking through the Holley spec book (we know, it's a sickness), we noticed that the 600- and 650-cfm Holley mechanical-secondary carburetors use the same throttle plate as the 750. Needs rebuilding. Completely refurbished Holley 600cfm double pumper mechanical secondary carb. Dec 11, 2006 · a 750cfm edelbrock is not equal to a 750cfm holley DP in terms of real flow (one is dry flowed, the other wet-flow tested), so you would do fine with the 750 or 800 cfm edelbrock properly jetted. 4. It also had a stumble when accelerating when the car was already at speed. Big difference in performance. No pump shot. From their roots as the premier carburetor on many factory muscle cars to powering thousands of vehicles across the finish line, the Double Pumper is a great choice whether you are burning up the May 5, 2010 · I agree with Eric32 that when I ran the Edelbrock 600 CFM, my performance wasn't great, but I did get better mileage. 5V Application Fuel Compatibility GPH Flow at Rated PSI and 600 3/8 Barb or -6/-8AN Description. May 19, 2011 · 750 is way too much carb for that motor, but I wouldn't go double pumper. Offered in either vacuum or mechanical secondary models The new Ultra Double Pumper Carburetors have an enhanced fuel curve for optimum performance, with many more features such as aluminum construction; anodized billet aluminum metering blocks and base plate; 4 corner idle for precise idle control; mechanical secondaries for great performance; clear fuel level sight plugs for easy, no mess fuel Carburetor Rebuild Kit, Holley, Double Pumper Models, 600-850 cfm, Kit. 12/02/2009 Holley 4150 Double Pumper 600 CFM 4-Barrel Carburetor 0-4776S. Or, if I’m cruising along at part throttle, and try to accelerate smoothly, it sputters. This Holley Double Pumper carburetor is coated in a Gold Dichromate finish, which helps against corrosion resistance. This Quick fuel baseplate will work for ALL 600 cfm mechanical secondary (double pumper) Holley, Quick Fuel, Proform, and Brawler carburetors. Jul 20, 2007 · How-to adjust the accelerator pump on Holley carburetors to avoid stumbling and hesitation upon acceleration. It allows user to pick between 1:1 or progressive secondary ratio. Part Number: 778-67222. I put it on an internally stock "real" 300 horse 327 with a mild port and polish job and headers. The screws’ length on 4150 and 4160 carbs is 3/8 inch; 4500 carbs tend to use a thicker housing, requiring a screw length of 9/16 inch. That put me with an air fuel ratio in the mid-9s on the dyno. Price: $349. Holley Double Pumper® carburetors are a perfect performance upgrade for hot street cars and race vehicles. This carburetor has a part number of 4776-2 and used on 600 CFM Double Pumper . 0 out of 5 stars 2 ratings. $1,390. I found the primary side had a bad seal on the bowl at the top. Installation And Tuning DVD Incl. I have a Ford 302 bored out to 306 with a smaller cam and a 600 Holley. From their roots as the premier carburetor on many factory muscle cars to powering thousands of vehicles across the finish line, the Double Pumper is 600 cfm 2 and 4 corner idle double pumper baseplate with universal throttle shafts as pictured. It cured my off idle stumble. So far I have changed the plugs and they show that it is running rich. Aug 29, 2017 · I am running a Holley 600 CFM double pumper on my 327 and while cruising it is loading up. This can also be used for Holley HP and Ultra series carburetors. Part Number: HLY-0-4776C. oj, Mar 22, 2018. Engine is a 302 with a standard 600 Holley double pumper. $209. HOLLEY FUEL SYSTEM SELECTION CHART Part Number Compatible up to 18. Jul 15, 2014 · I've been fighting a rich at WOT condition for a while now. 00 shipping. I changed the oil and filter, I did smell some gas on the dipstick. 8 stroke, hyd roller 576/557 236/239 L/C 110, 18 degrees static timing then vacuum advance, fuel 100-104 unleaded (good gas) Carb: Hollley ProSystems XC820 36-6 idle feeds. Profile Page if you want a double pumper then buy a double pumper. With the float level verified and correct, rotate the throttle to wide open twice. Dec 15, 2013 · I have a 1966 mustang that I purchased 36 years ago. He said take a do some research and pay me what you think it is worth. List number 4776 600 CFM Double Pumper Carburetor - Manual Choke and Mechanical Secondaries. I currently have and edlebrock performer. 55. Holley 4150 Double Pumper 600 CFM 4-Barrel Carburetor 0-4776S Carburetors, Model 4150, 600 cfm, 4-Barrel, Square Bore, Manual Choke, Mechanical Secondaries, Dual Inlet, Shiny Finish, Straight-leg Booster, Each Partner: Holley (https://holley. I just pulled off that block and it has a weird gasket in there. The mileage is not as good, especially if you put your foot in into it. also if spacer would be recomended. From their roots as the premier carburetor on many factory muscle cars to powering thousands of vehicles across the finish line, the Double Pumper is a great choice whether you are burning up the Find Holley 4150 Double Pumper Carburetors 600 CFM and get Free Shipping on Orders Over $109 at Summit Racing! Holley 4150 Double Pumper carburetors are a perfect upgrade for hot street cars and race vehicles—they're an American icon when it comes to performance. In comparison my holley 650 double pumper came with . Description Ref. the vacuum gauge needs to be hooked up to the intake manifold. Mar 29, 2008 · I am attempting to set up my throttle linkage on a Holley 600 double pumper and need some help. However, sometimes a little more fine-tuning is needed because the customer has a . because it's a mechanical secondary design, when the throttle is pulled back, the primaries begin to open and a shot of fuel gets squirted down the throat from the primary accelerator Aug 12, 2022 · Engine: 400 SBC, 5 speed, 11:1, air gap with divider all the way to carb, profiler 195 heads, 3. Holley Double Pumper® carburetors are a perfect performance upgrade for hot street cars and race vehicles. However, if money is no object, then the 600 Holley 4776 double pumper on a square bore dual plane manifold is the number one choice in my book. 79 on street tires with 3. fire up the engine NOMENCLATURE - MODEL 4150/4160 Ref. Select Options. It has sat idle for the last 15 years. com with all of their products listed. Free shipping. Jul 16, 2017 · The accelerator pump on the primary fuel bowl (and on the secondary fuel bowl of a Double Pumper carb) is secured with four 8-32 screws. I want to replace the carb an looking for recommendations for 4 barrels carbs with this intake. I found my biggest problem is the primary slot is exposed too much. These are designed more for economy minded users rather than performance enthusiasts. Click image to zoom. HOLLEY 0-80592S SUPERCHARGER CARBURETOR. External needle & seat design May 21, 2010 · Yes, the QJ has smaller bores on the primaries but the Holley is a well designed carb and makes up for that. It is definitely a good way to go. You will be fine with that size carb. Pre-Owned. The Holley 4779 is the oldest model for the most part and is a classic double pumper and has a manual choke and is a four corner idle setup and is made out of zinc and is a lot heavier then an aluminum carburetor of the same size in a different 750 model. 030, 9. Emissions Note: The world famous Double Pumper! Known for powering the baddest factory muscle cars of all times! Dec 2, 2005 · Holley Double Pumper carburetors are a perfect performance upgrade for hot street cars and race vehicles. 4776-4 1668 Looks to be a holley 600 cfm double pumper. Start the engine and check the fuel lines and inlet fitting for possible leaks. The conversion kit adds the rear metering block along with the required different metering block gasket. 034 primary and . 5" power valves. Here we have a 650 double pumper ( dual accelerator pumps) Holley carburetor with the float bowl level of fuel set too high on one side and too low on the ot This carburetor was made by Holley , The Holley Brothers Company was started in 1905 in Detroit Michigan then became the Holley Carburetor Co . Memorial Day Sale - Savings up to 30% off! Holley has since expanded its lineup of performance and racing carbs to include legendary models like the Double Pumper, and Street Avenger and Street Warrior. Holley Street Warrior 600 CFM 4-Barrel Carburetor 0-80457S. o. $651. com) Sponsor: Roadkill Customs (https://RoadkillCustoms. Holley Double Pumper®carburetors are a perfect performance upgrade for hot street cars and race vehicles. Opens in a new window or tab. it came on my 68 ss elco w/ '71 402 bbc. 95. Holley 2300 is a modular designed May 1, 2009 · Holley issues Oh come now fellas! Don't over think things! I have a Holly 600 Vac Secondary on a 307 Chevy in a 1968 Camaro, and it has done the very same thing. 600 Mar 18, 2008 · Still this stinky Holley!:angry: 1850 600 Holley vac secoundary with a metering plate and in rear . This is normal and will not effect the life of the blower or the engine. Carb comes ready to run. 8 out of 5 stars Dec 2, 2009 · A full description of the operation and part components of the Holley 4150 mechanical secondary four-barrel carburetor. $76. Go to holley's site and they have an app to tell you what kind/size carb they recommend, and they even tell you on their site they don't recommend a mechanical secondary for most applications. 99. And weather I should add the Holley 112-96 base plate to it I use a Edelbrock Performer manifuld. Holley Model 4150 Aluminum Double Pumper 650 CFM 4-Barrel Carburetor 0-4777SAE Carburetors, Model 4150, Double Pumper, 650 cfm, 4-barrel, Square Bore, Electric Choke, Mechanical Secondary, Dual Inlet, Polished Finish, Each Holley Replacement Carburetors are engineering to improve performance and keep you emission legal. Manual Choke. The carbs have 73 jets in the primaries and secondaries with 10. I pulled the carb today and put a small bolt-on the secondary throttle blade so I can adjust it with the carb on the engine. Plug any fittings not used. Dec 2, 2009 · Ready Your Ride: Holley’s Memorial Day Sale Offers Up to 30% Off Performance Parts. Carburetors, Model 4150, Double Pumper, 650 cfm, 4-barrel, Square Bore, Electric Choke, Mechanical Holley 0-1850C 4160 Street 600 CFM 4 Barrel Carburetor, Manual Choke This carb is often referred to as a “double pumper”. This noise may last up to several hours of running time. In this case you’re mechanically opening all four throttle plates all the time regardless of engine load or demand. Mar 7, 2007 · If you have ever looked at a Holley parts list and tried to compare a vacuum carb with your double pumper, you would never think of attempting this. From their roots as the premier carburetor on many factory muscle cars to powering thousands of vehicles across the finish line, the Double Pumper is a great choice whether you are burning up the Oct 3, 2005 · Holley Double Pumper carburetors are a perfect performance upgrade for hot street cars and race vehicles. Description. 0. Part Number: NCR-4776C. One thing that catches my attention is your timing curve of 18* initial with 20* mechanical for 38* total mechanical timing. Since, the carb is on a street rod, and I prefer performance from my engine, I went with the Holley 600 CFM double pumper. 8/351W) - Anybody runnning a 650 Double Pumper on a 302? - I'm running a Holley 650 double pumper on my 302. That means by purchasing a 750-cfm Holley HP main body, you can upgrade a 600 or 650 double-pumper to a 750 Holley Double Pumper® carburetors are a perfect performance upgrade for hot street cars and race vehicles. Sponsored. on a 350+. 1. I'm not knocking the QJ. 0/302, 5. 9. Part #: 04779S Line: HLY Holley 600 cfm Square Bore 4160 4BBL Carburetor - 0-80458SA. What size power Feb 3, 2016 · I have a 6210-2 holly carb it's a 650cfm double pumper 30cc primary 50cc secondary. I'm running really rich, and I was wondering if anyone else is running the same carb? If so what size primary jets and secondary jets are you running. 05/12/2025. I have a front and a rear float bowl from a Holley 600cfm that has the adjustable needle seats the primary float bowl has a 30cc accelerator Aug 2, 2017 · TROUBLESHOOTING THE HOLLEY CARBURETOR Using a 600 CFM carb, 80457. Kit provides infinite adjustment of secondary throttle blades for maximum horsepower output. 8 compression, AFR 195cc heads, 230/236 solid cam at about . KT-5278B: Holley 37-1543: Holley Jan 24, 2014 · Holley® Performance Products 1801 Russellville Road Bowling Green, KY 42101 1-270-781-9741 1-866-464-6553 www. It coughs & stumbles between gear shifts, as I roll back into the throttle. Holley offers a variety of replacement and upgrade metering block and plates for your Holley Carburetor. jlxqloq aeevog khsvvcrw slpohc zkvwyc esnve ihje kdzo kvnkmw igthd