Holley carb specs


The Holley 1904 is a 1 barrel, downdraft carburetor and has three basic parts, the main body, throttle body and the float bowl. Holley 4-barrel carburetor dated 2853 - 285=October, 3=1973. Regarding this carb I have 2 questions: 1) Where is the PCV p Troubleshooting Your Holley Carb August 2, 2017 Wayne Scraba Fuel Delivery , How-To and Tech Tips , News 1 Holley carburetors find their way onto countless vehicles, from race cars to hot rods to delivery trucks, and for good reason: They’re the standard of performance, and without question some of the most popular and easily tunable Holley four-barrel carburetors are probably the most common high performance fuel mixing devices on the planet. Since 1938, Edelbrock has manufactured its core products in the USA for quality & performance. Title: MODEL 4160 SPECIFICATIONS Allstate Carburetor is providing the Holley Double Pumper 4150 Specs. Primary & Primary Secondary Primary Secondary Primary Carburetor Model CFM Renew Trick Secondary Main Main Jet Metering Metering Primary Discharge Part No. And a gallon of liquid carb cleaner. Unfollow 650 holley carb to stop getting updates on your eBay Feed. But Holley for sure. Primary Main. I took both carbs and broke them down to prepare for a rebuild. CM179 1978 - 1983 Ford 200 CID six cylinder . Re: Replacment Carb to fit a 345 IH Engine The cab corners and one rocker need placed on mine, but that's it, 38,000 original miles. OEM 780 CFM List 4555 GM Carb Stud - total length is 1 7/8" Believe it or not, I needed to run 5/16-18 NC die on the ones I bought since they were too tight to screw into the intake. Power valve blown. We choose Holley carbs on most of the performance cars and engines we  Buy Holley 0-80783C Model 4150 650 CFM 4-Barrel Street Carburetor: Carburetors Shipping Weight, 15. CARBURETOR. . Overview of a Holley 4150 mechanical secondary carburetor, Double Pumper . 0:1 by using different pistons and bigger CC cylinder head. It also comes with all necessary vacuum ports for easy street vehicle installation. Metering. Holley delivers with hard-core 4150 series carbs for serious high performance ranging from 390 to 1000 cfm. Tuning; Step-By-Step Instructions; Detailed Tuning  CONGRATULATIONS on your purchase of a Holley carburetor! temperature, set the idle speed to the manufacturer's specifications (see page 5 for idle. Over time folks are always changing the various parts in a carb and it can be far from the original baseline stock setup. Jet. Hey folks, I finally got around to kicking out the LPG (propane) kit. Go to Holley. 7) Carter Only . This carb has been professionally replated and rebuilt and looks incredible! It has been put back to factory specs, 6. it is not a complete list of all carbs made by holley over the years. This carburetor renew kit brings carburetors back to original specs and like-new condition. 1940. Holley 3310-2 / 4555 Rebuild . between the carburetor and the air cleaner. 1946. Below are the Holley HP carburetor factory specs. to get what they need to make sales. 1909. Many folks buy a used carb at a swap meet or from an ad and find out that it wasn't what they thought Other Holley info after the rebuild section . specs. Holley teapot rebuild kits are one size fits all and yer only going to use just a few bits out of the pile in any case. It also came with a well used Holley factory reman 2210c laying in the back of the Scout. The higher cfm ratings are determined at different levels of vaccuum readings, etc. The earliest model production use was on the 1934-’48 Ford V-8s, which “I put the new Street Demon carb on my ‘72 D100 shop truck with a 400 horsepower 318, and it fired up and idled like it was pre–tuned for my engine, and has performed flawlessly ever since Holley 4 Barrel Carb Information List # and Stock Jetting THE FOLLOWING IS A PARTIAL LIST OF HOLLEY LIST #'S FOR SOME OF THEIR MOST POPULAR CARBRETORS. 030 you can get the main to pull in a few 100 rpm sooner. We talked with JET Performance Fuel Systems’ carb expert Johnnie Valdez, who offered to share a few basic tweaks they perform on these undersized carburetors to improve their performance. Quality carburetor rebuild kits, choke pull offs, choke coils and floats for American carburetors. com 199R8179-1 Revision Date: 9-18-14 . Correct list numbers and correct date codes for all holley carburetors. Holley 4-barrel carburetor dated 2016 - 201=July, 6=1976. Holley's products also include performance fuel pumps, intake manifolds & engine dress–up products for street performance, race and marine applications. I got a couple of surprises along the way. 80507, 80507-1,2 390cfm Direct Replacement Components to turn a street carburetor into a high-performance carb: get that extra performance out of your ride in less than 30 minutes! Add up to 25-50 HP with PROFORMs 100% NEW, high-performance carburetor main body (no re-built components). Service replacement for 1969 Chevelle Special High Performance. but this one says […] Holley Carburetor Numerical Listings Carb. Re: Holley carb rebuild, pictures and some how to Good job. Every time there is some design change with a Holley carb it gets the next "dash" number. Serves All Holley Perf. 1971 & 72 will be identical except where noted 1971 had compression dropped from 11. CM409 Holley Model 885-FF, 885-FFC and 885-FFG . The butterfly plates are sticking, so I'm going to look further into that once I have some shop space become available. See our Performer Series Carburetor. The Holley two-barrel carburetor is designed with two adjustment screws located near the base of the carburetor. Holley 1920, 1940, 1945, 2210, 2245, 5200, 5210, 5300 Carburetor Manual Holley 1940 Carburetor Manual Question: I hope you are doing fine, I just send you an order to your webpage # 10983, because we need to repair the carburetor installed in our Hobart JET EX II generator, the manual of the generator says that the carburetor is a Holley 1940 D7JL-9510 A , however the plate say motorcraft but Buy Holley 0-8007 Model 4160 390 CFM Square Bore 4-Barrel Vacuum Secondary Electric Choke New Carburetor: Carburetors - Amazon. So round 2 i get a main body for my Holley carb. This carburetor was rated at 780 CFM and was a dual-feed model with vacuum secondaries. Problem CONDITION POSSIBLE CAUSE CORRECTION 5) Ford& Holley Only . Because of this there are many different versions of the 5200 If trying to use a spread-bore carb on a square-bore manifold, we have 150 (limit of carb) primary plus 375 limit of manifold secondary; so our 750 CFM carb is now effectively a 525 CFM carb! The reverse (trying to use a square-bore carb on a spread-bore manifold) is also true. The float bowl mounts on the front of the carburetor and can be metal, or glass. Holley jets range in size from 40 to 99, with the stock jet size differing based on the carburetor model and engine application. You can find a used on one Ebay for about $50. If you have an automatic transmission you will need a vacuum sec. CM408 Holley Model 1901 and 1901-FF . The curb idle speed screw allows for adjusting the RPMs to the correct level when the vehicle is idling in gear, while the idle mixture screw sets the correct RPM level when the vehicle is idling in park. If its been sitting for a while, or is old, float bowl, metering block, and metering plate gaskets are probably stuck like glue. 4150 carb types use a rear metering block with jets similar to the front at some different Holley carburetors and their specifications should you decide to go this  Buy a new Holley Polished Classic 600 CFM 4-Barrel Carburetor with a Manual Choke from CJ Pony Parts. P/N 0-90470, 0-90670, & 0-90770. HOLLEY 4 BARREL CARB LIST NUMBERS AND STOCK JETTING. 5) Replace the power valve. This will, at the very least, give you a baseline as to what your carb should have started out with. rmcomprandy Posts: 5393 need some help on 8896-2 1050 dominator holley 4 barrel carburetor list numbers and stock jetting/jet sizes. The 3310 below is my spare carb. Primary. This is a Holley 4150 carb, 750 cfm and it's only about a year old. From accelerator pump set up to vacuum secondary alignment and installation. Holley Four Barrel Carburetor List Numbers, Stock Jet Sizes, CFM, and Stock Power Valve Ratings | Ho… and this one: Holley carb specifications, list #'s, jetting and tuning tips. 427 Galaxie carburetors. Trick Kit. Holley 5200 Carburetor Information: This page is meant to provide some general information on modifying your Mazda B2200 or 2000 with a Holley 5200 carburetor. Carb Number Carb Model Number CFM Renew Kit. For street cars, the vacuum secondary carburetor works best on mid-weight or  Holley carburetor specifications, list numbers, stock jetting, and tuning tips. Thus, Holley can not guarantee an answer or timing on an answer. com and check the specs, you'll be surprised this is true. INSTALLATION, TUNING, AND. It is a H4-4150 . CM239 Holley’s are an easy carb to tune in my humble opinion. I agree that there is info all over the place pertaining to Holley carbs(I have seen it), if you have a link to the above needed 870 detailed specs, I am all ears. Are you referring to the accelerator pump? For an exploded parts diagram, go to the New Holland parts web site by CLICKING HERE, and then pointing your mouse at "Parts & Service" up near the top of the page and then clicking on "Parts Search" from the menu that pops up. Possibly damaged by a backfire condition. We show you the best applications for this Explanation of the identification and differences between a Holley 4250 and 4160 carburetors. Since it's got a Holley carb I assume it's the 3 cylinder version of the 2000. The Holley two-barrel has been used since the mid-1930s on eight-cylinder engines from many American manufacturers at one time or another. 6) Caused by installer allowing engine to spit-back up through carb. 600 is plenty for a 351ci carb; maybe in a Chevy. 00 The Edelbrock swap is a bolt in, don't know about the Holley, furthermore the Holley is a lot more expensive. Ford and Mustang Holley 4150 carburetor. 073 range with a 750-850cfm Holley. CFM. Close the hood slowly to ensure adequate clearance between the air cleaner stud and the hood. Kit Kit Needle Jet or Plate Block Block Power Valve Nozzle & Seat Size 0-1848-1 4160 465 37-119 37-933 6-506 122-57 N/S N/S 34R9716-3 125-85 . I am trying to tune out a hesitation in the off idle part throttle range. Holley Carburetor Specs 4150  Aug 21, 2017 Allstate Carburetor is providing the Holley Double Pumper 4150 Specs. The carbs here are 4150hp mechanical secondary Carb numbers. Holley offers such a spacer (Holley P/N 17-13). holley model 6520 carburetor. This carb also has billet base and meter blocks as does the race series. When you buy a used carburetor always check the jetting. I run a 770 Holley now and have plenty of power at all rpm ranges and good gas Note: This is only a rough estimator of carb sizing. ***This kit is Not made by Holley Do NOT buy cheap rebuild kits for your Holley carb! All the cheap stuff is junk, especially the needle and seat assemblies, and you will not save any money in the long run! Some of these off-brand kits actually cost MORE than the Holley brand kits! Mustang and Ford carbutetors. The bog or hesitation may be caused by a momentary lean condition when the carb goes from the idle throttle postion to the main metering system. Volumetric efficiency, gear ratio, compression ratio, valve size and lift, weight of car, convertor stall and other factors may vary the carburetor sizing so before you make your selection always contact us for and speak to a reliable carburetor professional who is familiar with Quick Fuel air flows and the various types and series of Ford applications and repair kits , Thunderbird Holley 4150 1273 ECG-V 964 1957 8 312 T-Bird (Supercharged) Holley 4000 Carb Number Carb Model. Although the 3310 carburetor wasn’t the first Holley carb, the 3310 was a game changer in every sense of the word. Now, Holley EFI products power these cars and are dominating the performance world. They all ran good but will need tuned to your specific application. It was standard on the special high performance (solid lifter) 302/290, 396/375 , and the 427/425 engines. Holley products for GM's popular LS engine are dominating the LS scene as well. Replace the pull off. IT IS NOT A Called Holley yesterday to see if they had a 750 main body that i could put on My 850 Demon. Features on this Holley 4 barrel carb Include: Lots of folks lately with Holley issues. Holley 4-barrel carburetor dated 0348 - 034=February, 8=1978. com, click on "Technical" in the upper tool bar, next drop down click on "Resource Documents & Library", next drop down list click on "Carb Numerical Listing". Although Holley employees will take part in answering questions from time to time, your questions may or may not be answered by Holley personnel. This will give a baseline as to what the carb should have started out with. 5:1 mixture, so we decided to lean out the idle air bleeds first to see whether they d have a The carb was custom powdercoated candy red w/ a flat clear to give it that. I’ve talked to people who have become so frustrated that they pulled the Holley off of the car and installed a carb from another manufacturer on it that probably killed some of their potential performance. 1949. Find Holley 2300 Carburetors and get Free Shipping on Orders Over $99 at Summit Racing! Holley 2300 model carburetors are perfect for racing classes where 2-barrel carbs are required, or for hot rodders looking for Holley Carburetor List 80457 600 CFM Vacuum Secondaries 4BBL Carb. 026-. oh if only Inovatemotorsports' web furum was still up. What's the opinion on the Forum about carbs? Am I right about the carb size (600 CFM)? Is the Edelbrock the trash that my mechanic claims and is the Holley really worth that much more? 1970 engine is used as the baseline. Holley carburetors have been popular as an easy bolt-on performance item since the late 1950s. Holley casting numbers decode and identification. 1904. We show all of our tips for rebuilding a 1850 Holley Carburetor. HOLLEY CARB INFORMATION. The carb I am using is a NOS Holley 9834-1 Here is what happens: Car starts fine hot or cold. Dec 3, 2018 We also interviewed Holley carburetor tuner/restorer Sean Murphy of Sean Murphy Induction (SMI) to document a few of his tuning and  Aug 21, 2017 The carburetor identification number on the HP series are stamped into the THROTTLE SIDE of the main body. CM3 Holley 1904, 1908, 1960 for Ford and IHC . holley r9937 model 6520 new carburetor 4287021 $ 195. The carburetor identification number on the HP series are stamped into the linkage side of the main body. Carburetor rebuilder, supplier of rochester, ford, autolite, carter, holley, zenith, weber, mercarb, stromberg, marvel-schebler, throttle body injection. Holley carbs come with a standard shooter size which differs by carb list#. If you have an older model carb you can purchase a small, inexpensive, easy to install kit from Holley (PN - 125-500) that will also protect the power valves in case of an engine blowback thru the carb. Such a list would be too big on our website, so we are going to list the most popular Holley four barrel carb List #'s and their cfm size and stock jetting specifications. HO Street/Strip Carbs AED Performance HO series carburetors are built in house with parts made here in the U. They have been sitting on the shelf for 3 or 4 years. this a partial list of holley list #’s for some of their most popular carbs. This Holley 4160 carb includes an electric choke which is designed to supply a rich fuel mixture to the engine for cold starts and drive-away conditions and the screw-in air bleeds offer precision tuning capabilities. 001 or so from the Normal . JMHO, but I would replace the Holley with the OEM unit. The carbs here are 4150 HP mechanical secondary carbs. Holley Technical Support 1801 Russellville Road Bowling Green, KY 42101 270-781-9741 www. That's the cleanest "dirty" carb I've seen in a long time. 025 The following is a partial list of Holley Carburetors and their specific information. For those who don't know the Holley 5200 is a liscensed copy of the Weber 32/36 and was available on many production cars. net: R1850-3 This site is for Corvette C3 enthusiasts and has lots of information pertaining to Corvettes built between 1968 and 1982 I gained a little by fine tuning idle mixture and one jet size on the secondaries, but I was pretty close! (With the timing optimized and the carb tuned on the wideband, it passed the IM240 smog test with flying colors! Not bad for a dart-headed 306 with a Comp Cams 270h cam, offroad exhaust and Holley double pumper!) 88 results for 650 holley carb Save 650 holley carb to get e-mail alerts and updates on your eBay Feed. Holley 1850 rebuild Tips and Tricks. Since Holleys are so easy to adjust I have a 67 Camaro with a LSX 454 which has ported heads, LPE GT21 cam (700 lift), 11:1 CR, and a tall intake manifold. he had no other opinion about it. You haven't gotten there yet, but one tip I want to be sure gets pointed out is the safety glasses or goggles whenever you are using the carb cleaner (either the spray or the dunk style). Holley Carburetor MODEL 4160 4bbl 390 CFM Holley Carburetor 500CFM 2 Bar Ford ”cubic centimeters per minute” and are changeable for tuning purposes. That stuff is nasty nasty nasty to I've worked on Holleys for 30 years and have lots of info but I can't find this carb in any new or old Holley numerical listings. ADJUSTMENT MANUAL. We show assembly Please be aware that this is a community forum. 5 QFT Holley - Ford Carburetor Cross Index This web site uses frames, which your web browser does not support. 0:1 to 9. Here is how to get to the Holley's carb specs and settings on Holley carbs. Also, the Holley HP 950 uses the 850/950 base with a 750 main body, go to holley. teufert. Identify marine carb by Sterndrive, Engine & Year. How to tell what size carb you need: You take the engine cubic inch and multiply by the maximum RPM and divide by 3456. 199R-10268-4. The size of the jets within your Holley carburetor will control the flow of fuel from the fuel bowl to the combustion chamber. This carburetor has a part number of 4777-2 and used on 650 CFM Double Pumper . com FREE DELIVERY possible on eligible purchases Before you go trying to fix all the errors of the previous carb tuner, set your carb up to the stock Holley spec for your carb List Number (stamped into the front of the air horn). But many people don’t realize that Holley’s reputation as a performance carburetor was born from original Get a good rebuild kit, if you have an 1850-2, 3, 4 or 5, pick up a Holley 37-119, and a secondary diaphragm, Holley 135-4. 1967 Shelby GT500 Carburetors. Carb on the left (silver) is an r7940, 483449c91, 0534 (quality reman sticker #20-19, 0-23-01-05) A Holley Renew kit brings your carb back to original specs and like-new condition! These carburetor Renew kits from Holley come complete with all of the necessary gaskets, O-rings, pump diaphragm(s), needle and seat(s), power valve(s), detailed instructions, and hardware for a complete rebuild. Ive found that larger bleeds seem to sign off early,before the main jet starts to work,but if you up the MAIN or High Speed bleed . The 5/16-24 NF was cut correct. IDLE AIR bleeds useauly end up in the . Holley Carb Identification: Holley: Holley 1909 Parts Page Diagram: 1904: 1908: Holley 1904 1908 1920 1960 Parts Page Diagram: Holley 1940 1945 1946 6145 6146 Parts Page Diagram: Holley AA AA-1 2100 Parts Page Diagram: Holley 2209 2210 2245 Parts Page Diagram: Full Size View Holley 2300 2380 Parts Page Diagram: Holley 5200 5210 5220 6500 6510 Here we have gathered all of the currently available Holley Carburetor Specs 4150 HP Series. Holley Carburetors Holley supplied one carburetor model for the Camaro: the tried and true 4150 series. 1901. This list covers some of the more widely used Holleys for Ford engines. Race-ready right out of the box! For amazing response from an affordable production carburetor, your search stops here. You'll have no trouble recognizing which bits fit yer carb, I save the extra bits just to confuse myself years later. Given the sheer numbers of carburetors made since the 1950s, you know they work. Holley® has been the undisputed leader in fuel systems for over 100 years. If you are seeing this screen, click below to go to the non-frames version of the site. Service replacement for 1971 Chevelle 454 w/manual transmission. The most popular street carburetor in the hot rod world is probably the 600-cfm Holley vacuum secondary carburetor, otherwise known as the 0-1850. Image Description 500 CFM, Two Barrel, Manual Choke Carburetor Troubleshooting Guide. holley 4 barrel carb list numbers and stock jetting. “Hot rodding would be very different without the Holley carburetor!” That sentiment, shared here by respected automotive journalist Jeff Smith, is perhaps the highest compliment that can be paid to an aftermarket part. Several six-cylinder engines also used Holley two-barrel units as original equipment. anyone have the specs for this or have a web source for specs with this carb actually listed? Holley Performance Products is an automotive performance company based in Bowling Green, Kentucky. Many Holley performance carbs models and list#'s now come with built in power valve "blow out" protection which eliminates this problem. I really haven't figured out why Holley offers these carbs, other than they're cheap and people buy into the "dual carb" advertising Holley is using. All of the parts listed below are available on our website. Carburetors; Genuine Holley Quality Parts; Extra Parts For Perf. 885. If there is a fly in the Holley ointment, it’s setting up the idle. I have the 11:1 compression pistons and a cam that has a higher At a 2,500-rpm simulated part-throttle cruise, the carb was fueling the motor with an eye-burning 12. Main Jet or plate. No. Number. Depending on the overall height, obtain the proper length 1/4 x 20 stud and install in the carburetor airhorn. The 600 CFM Carburetor is recommended for stock . Secondary. etc. 55 pounds (View shipping rates and policies) . Listed are all of the currently available Holley ® HP ® carburetor factory specs. I'm trying to pick a carb for to work with my combination and when I add that data to the Holley carb picking tool on their website it recommends a 950 or 1,000 CFM carb. ACFI is happy to provide the specs many of you have asked for all  May 30, 2013 Holley double pumper carburetors and idle tuning tools People will get the idle settings wrong, then blame the carburetor when it doesn't  Holley 1904, 1 barrel carburetor technical information, including how to videos, specifications and rebuilding tips. I didn't have this problem last year and I haven't done anything to the motor or carb over the winter other than set the idle mixture adjustment with a vacuum gauge (wound up at 1 3/4 turns out on all four), and reset the float levels, which are if anything, a hair low. ACFI is happy to provide the specs many of you have asked for all compiled into 1 place. It includes all of the necessary gaskets, O-rings, pump diaphragms, needles and seats, power valves, hardware for a complete rebuild. Renew Kit. Pump blown out. Holley does a pretty decent job of supplying a ready-to-run carb, so the jetting, pump cam, shooter sizing, and spring rates are usually pretty close. Holley 350 CFM to 570 CFM Carburetors. Casting Identification ID. The main body uses a radiused air entry. Holley carburetor number list. CM88 Holley Model 1940 . One of the things we noticed over the years is the lack of information concerning Holley List #'s and the specifications for individual carbs and their stock jetting. The math dictates I run no bigger than a 600 CFM carb on my stock 351 4V Cleveland. Jul 4, 2019 When it comes to carb tuning, there are a couple of key points of Tuning Holley carburetors isn't difficult, but when it's time to get into  Features & Benefits. I saw my carb properly for the first time and it's a Holley 80457-2. A. That job is the function of the power valve and the PVRC. 068-. Block. CM4 Holley Model 1909 . i will add to this page as more part numbers become available. 69cam, Thank you for the response as well as the given specs, although I am still in need of the IABs, HSABs and IFRs for this carb. holley. E. & Seat. carb, a standard transmission can use a Double Pumper carb. the following is a partial list of holley list #'s for some of their most popular carbs. Note that this math was prefaced by the term O. When I The 450 cfm version of your carb is equally a PITA to make work in a tunnel ram. Whatever carb you choose, remember you are driving a Cleveland so "normal" carb specs and settings don't apply. If you are looking for a professionally prepared performance carburetor at an affordable price we've got your carb. When the company was based in Michigan it was a major producer of carburetors for many Detroit-built automobiles. We stock Rochester, Holley, MerCarb, Weber, Carter & Solex carburetors for MerCruiser, OMC, and Volvo Penta This carburetor was made by Holley , The Holley Brothers Company was started in 1905 in Detroit Michigan then became the Holley Carburetor Co . Trick Kit: Needle & Seat Primary Main Jet Secondary Main Jet or plate Primary Metering Block Secondary Metering Block Holley® 4150 HP ® carburetors have no choke tower. This will bring up a large pdf file with all Holley carb list numbers and specs. The main jet, however, is the most often changed jet; the one changed in an effort to optimize the mixture for maximum power. S. Most enthusiasts choose a 600 or 750cfm Holley double pumper and install it in a few hours. Even Holleys 1000 cfm is an 850 body, so is Quickfuel's and Proform's 1050. 6) Pull-off diaphram blown. When a Renew is in order, trust Holley to do it right! Strange as it may seem, the main jet on a Holley carb is not what you should be using to calibrate the WOT mixture delivered to the engine. Holley carburetors powered every Monster Energy NASCAR® Cup team and nearly every NHRA® Pro–Stock champion for four decades. Pretty sure that your bike was not fitted with a Holley carb from the factory; a 40mm Kiehin CV carb was the OEM carburetor. How To Tune Holley Carburetors. If you are experiencing a bog or hesitation off idle, you can try a larger, higher # shooter size. 4150 carb types use a rear metering block with jets similar to the front metering blocks. This will, provide you a baseline as to how your carb started out. Holley 4160 series. Needle. The 2210c on the engine was the parts store rebuild. I’ve never had much trouble getting them to do what I wanted them to do. CM407 Holley Model 847 and 897 Single Barrel Downdraft . NOTE: These instructions must be  Almost every muscle car came from the factory with a Holley carb or Carb(s) on it. That was the end of the subject. Carb specs by carb number. Gave him the part # of my carb. phone (323) 232-3359 fax (323) 232-3332 ref# nomenclature part# holley 1904, 1908, 1960 ( 120- series ) see jet chart at end of holley section ( ** ) refer to screw catalog Holley 847. manifold. All of these parts are available on our website as well as more Holley carburetor tuning parts. Edelbrock is the most respected name in performance. The main body includes the metering block, float and the economizer. I'm guessing the specs you have from summit are for the proform race body, (without choke tower) my carb is a street version with tower, that maybe the reason for diff. holley - 5 walker products inc. Part Number: Model Number: CFM: Created by Fred Teufert: R1848-1: 4160: 465: 12/16/2000: R1849: 4160: 660: Email me : R1850-2: 4160: 600: http://www. Holley 4150 HP series carbs. Does anyone have the original carb specs for a LT-1? My '69 was rebuilt by the PO to resemble a LT-1 and is fitted with a Holley carb. One of the most popular fuel mixers for these classes is the 500 cfm Holley 4412 carburetor. He said point blank "That's a Barry Grant carb and i would have no idea if it would fit". holley carb specs

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