What is your carb of choice?

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What is your carb of choice?

Post  sg86coupe on October 31st 2015, 10:52 pm

Starting my research on what carb for my new motor. What do you have, and would you buy another one. What would you buy and why?

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Re: What is your carb of choice?

Post  Super Snake Steve on October 31st 2015, 11:19 pm

Kind of vague you have to tell what your motor is what is in and what you plan on doing with it with what you just asked I'd say go with something From 750cfm to 1400 CFM and you'll be happy oh and I'd use either 4150 or dominator Flange make sure your tune is right on the money

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Re: What is your carb of choice?

Post  supervel45 on October 31st 2015, 11:31 pm

Super Snake Steve wrote:Kind of  vague you have to tell what your motor is what is in and what you plan on doing with it with what you just asked I'd say go with something From 750cfm to 1400 CFM and you'll be happy oh and I'd use either 4150 or  dominator  Flange make sure your tune is right on the money
That's the one I would pick also. Cool

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Re: What is your carb of choice?

Post  sg86coupe on October 31st 2015, 11:36 pm

I'm asking what company would you choose APD, AED Quickfuel, Holley. I'm not asking what size, i will have who ever I chose to build it to spec. What company has a good product and a good tech support

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Re: What is your carb of choice?

Post  supervel45 on October 31st 2015, 11:47 pm

I have always liked Holley. I would never let them spec. a carburetor for me though.

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Re: What is your carb of choice?

Post  rmcomprandy on October 31st 2015, 11:49 pm

The largest HOLLEY which THAT engine will accept to start.
Then modify it and use parts from whoever and whatever it needs.

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Re: What is your carb of choice?

Post  sg86coupe on October 31st 2015, 11:52 pm

I called Holley for help on my current carb, they weren't much help.

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Re: What is your carb of choice?

Post  supervel45 on October 31st 2015, 11:59 pm

http://www.429-460.com/t21137-a-head-547 I guess it's this engine? Didn't think Holley would be much help, like I said I would not even let them size a carb. for me. You have a 1050 now?

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Re: What is your carb of choice?

Post  supervel45 on November 1st 2015, 12:03 am

Don't waste your time with buying 4 jets. Order a complete jet kit and get it over with. Bring them to the track and tune it, along with a hand full of shooters and and pump cams.

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Re: What is your carb of choice?

Post  sg86coupe on November 1st 2015, 12:06 am

Randy I know you know how to do that, I do not. I don't even know if I need a 2 or 3 circuit or what. But I appreciate any help.

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Re: What is your carb of choice?

Post  sg86coupe on November 1st 2015, 12:16 am

Supervel45 yes thats my motor. I know a 1050 is to small and it's really fat at idle, not sure why. So researching what company to get a bigger carb from.

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Re: What is your carb of choice?

Post  supervel45 on November 1st 2015, 12:39 am

If you want to spend a lot of money on a carb. that is as close as possible, I would recommend Quickfuel. The main reason is because Defree383 used one on his 572 EMC engine. I would ask them what they can do for the Holley you have first and see if they can do anything with it, to save some money. You still need jets and to learn to tune a carb. though for varying weather and track conditions for best results.

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Re: What is your carb of choice?

Post  kim on November 1st 2015, 12:41 am

B-7395 Severe-Duty Carburetors







The Braswell B-7395 was specifically designed for single 4 bbl applications. Building on the design and record setting performances set forth by the B-7520 2 bbl carburetors, the B-7395 has been taking the single 4 bbl carbureted engine performance to new levels. These carburetors are designed to be used where a single 4 bbl or "Whole" carburetor is mandated by rules or preferred for packaging reasons. Their design allows them to be machined in a wide range of sizes necessary for today's competition engines. They offer the ultimate in performance for Competition Eliminator, Top-Sportsman, Top-Dragster, Quck-8, and Outlaw racing.

CNC machined from high quality aluminum die-castng, the B-7395's are offered in a wide range of sizes to accommodate race engines from 600-1600 plus horsepower for single 4 bbl use. They feature spread throttle bores for better fuel distribution, loner venturis for smoother fuel metering and an innovative metering system. The fuel jets and their pickups are located so they remain in liquid fuel even when acceleration rates exceed 3.5 G's, while allowing the use of power valves for additional tuning if needed. The light weight billet metering blocks feature a lengthened main metering well and multiple bleed systems providing improved metering and tuning flexibility unavailable in the past. The manifold mounting flange can be used with either the industry standard 5.38" x 5.38" hole mounting pattern or the optimized 5.50" x 5.50" hole mounting pattern. The air cleaner flange has been enlarged to an even 8.00" diameter. Venturi sizes range from 1.90"-2.18", and 2.20"-2.25" throttle bores. There are also two different size booster venturi castings allowing these carburetors to be tailored to the demands of today's racing engines.


Features:
•Calibrations for naturally aspirated, N2O or draw through supercharged applications
•Can be built for either manual or automatic transmissions
•Replaceable air bleeds, idle feed restrictors,intermediate jets
•4 circuit metering standard
•2.91" Throttle bore centers pattern
•8" Scoop tray opening
•Industry standard 5.38" x 5.38", and 5.50" x 5.50" hole mounting pattern
•Fuel Chute II bowls with large glass fuel site windows
•Severe-Duty floats
•Fully adjustable billet metering blocks

*Talk to your salesperson to find out about manifold spacers, shear plates, fuel fittings, gasket sets, tuning kits, and other available accessories to get the most performance out of your new Braswell B-7395 Severe-Duty carburetor*


Two would be better....



The Braswell B-7390 was specifically designed as a dual 4 bbl application. Building on the design and record setting performances set forth by the B-7520 2bbl carburetors, the B-7390 has been taking 4 bbl carbureted engine performance to new levels going to the finals in the first NHRA Pro-Stock race where they were legal. These carburetors are designed to be used where a 4 bbl or "Whole" carburetor is mandated by rules or preferred for packaging reasons. Their design allows them to be machined in a wide range of sizes necessary for today's competition engines. These carburetors offer the ultimate in performance for Pro-Stock, Competition Eliminator, Top-Sportsman, Top-Dragster, Quick-8, and Outlaw racing.

CNC machined from high quality aluminum die-castings, the B-7390's are offered in a wide range of sizes to accommodate engines from 900-2200 plus horsepower for dual 4 bbl use. They feature spread throttle bores for better fuel distribution, longer venturis for smoother fuel metering and an innovative metering system. The fuel jets and their pickups are located so they remain in liquid fuel even when acceleration rates exceed 3.5 G's. The light weight billet metering blocks feature a lengthened main metering well and multiple bleed system provide for improved metering and tuning flexibility unavailable in the past. The carburetor mounting flange can be used with either the industry standard 5.38" x 5.38" hole mounting pattern or the optimized 5.50" x 5.50" hole mounting pattern. The scoop tray flange has been enlarged to an even 8.00" diameter. Venturi sizes range from 1.90"-2.18", and 2.20"-2.55" throttle bores. there are also two different size booster venturi castings allowing these carburetors to be tailored to the demands of today's racing engines.


•Features:

•Calibrations for naturally aspirated or N2O applications
•Can be built for either manual or automatic transmissions
•Fully adjustable billet metering blocks
•Replaceable air bleeds, idle feed restrictors, intermediate jets
•Available with either 4 or 5 circuit metering
•2.91" Throttle bore center lines
•8" Scoop tray opening
•Industry standard 5.38" x 5.38", and 5.50" x 5.50" hole mounting pattern
•Fuel Chute bowls with large glass fuel level site windows
•Severe-Duty floats

*Talk to your salesperson to find out about manifold inserts, shear plates, fuel fittings, gasket sets, tuning kits, and other available accessories to get the most performance out of your new Braswell B-7390 Severe-Duty carburetor*

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Re: What is your carb of choice?

Post  supervel45 on November 1st 2015, 1:15 am

http://www.yellowbullet.com/forum/showthread.php?t=340888&page=10 ^^^^^^^
Hmm, interesting what Big Chief said about them before he went fuel injected. The prices on their small parts look extremely reasonable compared to what Holley gouges you for them. Don't see many used ones for sale if that means anything either.

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Re: What is your carb of choice?

Post  BOSS 429 on November 1st 2015, 1:37 am

sg86coupe wrote:Starting my research on what carb for my new motor. What do you have, and would you buy another one. What would you buy and why?

Ive used a lot of diff brands, The ones I like the best are PRO SYSTEMS, I have used, installed, and or sold them since the late 90s.

from 4150 style ,4500 doms,and the sv1's . we have tried others on the dyno, and just stay with PS


-Rich
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Re: What is your carb of choice?

Post  dfree383 on November 1st 2015, 9:21 am

Give Phillip Oakley a buzz, he'll help you get the right carb and he is a Quick Fuel and Holley dealer

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Re: What is your carb of choice?

Post  richter69 on November 1st 2015, 10:43 am

quickfuel has always done me well.
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Re: What is your carb of choice?

Post  gmsmkr on November 1st 2015, 11:52 am

Quickfuel or holley here as well
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Re: What is your carb of choice?

Post  rmcomprandy on November 1st 2015, 2:28 pm

sg86coupe wrote:Randy I know you know how to do that, I do not. I don't even know if I need a 2 or 3 circuit or what. But I appreciate any help.

Of course you start with something "out of the box" but, until you know the particular idiosyncrasies about any particular combination, everything will simply be a "best guess" done from experience with like combinations.
You gotta start somewhere so, it should be the point of getting the carburetor SIZE correct and work from there, tuning or changing whatever it needs.
You are right ... not so simple but, it is the best way to get to your desired ending.

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