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How fast in 1/4 with single AFB style carb #966596
04/05/11 07:36 AM
04/05/11 07:36 AM
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S.W. PA
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6PACMAC Offline OP
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I know max wedge guys are well into the tens with 2 AFBs. I'm just curious how fast with just one

Re: How fast in 1/4 with single AFB style carb [Re: 6PACMAC] #966597
04/05/11 09:04 AM
04/05/11 09:04 AM
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Oklahoma City OK
Cudajon Offline
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You're limited by the CFM of the Carter/Eldebrock. In a small block with a super liteweight car 10's would be possible. But for a big block in a full size car probably 12's.

Re: How fast in 1/4 with single AFB style carb [Re: Cudajon] #966598
04/05/11 05:43 PM
04/05/11 05:43 PM
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Sidney Ohio
9SecRoadRunner Offline
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I have seen with MY OWN EYES alot faster then 12's ....and I have personally also been deep into the 9's with 2 edelbrock 1407's


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Re: How fast in 1/4 with single AFB style carb [Re: 9SecRoadRunner] #966599
04/05/11 06:01 PM
04/05/11 06:01 PM
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6PACMAC Offline OP
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I've run in the mid-upper 11's with one in a unset up, 67 gtx 3800# pig. Gotta be somebody in the tens with a set-up car

Re: How fast in 1/4 with single AFB style carb [Re: 6PACMAC] #966600
04/05/11 06:35 PM
04/05/11 06:35 PM
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Kevins493 Offline
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I'm sure there are plenty of super stock cars running AFB's in the 10's....

Re: How fast in 1/4 with single AFB style carb [Re: 6PACMAC] #966601
04/05/11 06:37 PM
04/05/11 06:37 PM
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Kansas City Metro
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mbogina Offline
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65 Coronet, 383, 516 heads, 3470 lbs, best of 10.34 in SS/JA, 625 AFB


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Re: How fast in 1/4 with single AFB style carb [Re: mbogina] #966602
04/05/11 06:43 PM
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Yes
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Quote:

65 Coronet, 383, 516 heads, 3470 lbs, best of 10.34 in SS/JA, 625 AFB




That's the one I was thinking of, John Winslow's car. Steve Wann did the engine.

Re: How fast in 1/4 with single AFB style carb [Re: sixpakdodge] #966603
04/05/11 06:46 PM
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Kansas City Metro
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mbogina Offline
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John's car is a 426W w 516 heads, he might have gone a bit faster by now. The 383 car I am referring to is a Div 5 SS car, we sold it a 3 years ago, now in the Denver area.


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Re: How fast in 1/4 with single AFB style carb [Re: mbogina] #966604
04/05/11 06:48 PM
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Quote:

John's car is a 426W w 516 heads, he might have gone a bit faster by now. The 383 car I am referring to is a Div 5 SS car, we sold it a 3 years ago, now in the Denver area.




Oops, you're right. I totally skipped over where you said 383. I know John's car was in the National Dragster a few weeks ago and I do remember it saying he was into the 10's.

Re: How fast in 1/4 with single AFB style carb [Re: mbogina] #966605
04/05/11 06:58 PM
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6PACMAC Offline OP
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Quote:

65 Coronet, 383, 516 heads, 3470 lbs, best of 10.34 in SS/JA, 625 AFB


What kinda work in those heads? I know, I know you'll have to kill me if you tell me. Just some hints and maybe a air flow number or two

Re: How fast in 1/4 with single AFB style carb [Re: 6PACMAC] #966606
04/05/11 07:12 PM
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Kansas City Metro
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mbogina Offline
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Flow at 28"- Intakes flowed 285, 2.08 valve. Exhausts flowed 190, 1.60 valve. Stock port volumes, I believe they were 184 cc intakes, 64 cc Exhaust. Major PITA to work with- thin, no room to reshape.


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Re: How fast in 1/4 with single AFB style carb [Re: 6PACMAC] #966607
04/05/11 11:51 PM
04/05/11 11:51 PM
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Adrian, Mi
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Quote:

I know max wedge guys are well into the tens with 2 AFBs. I'm just curious how fast with just one




My brothers 71 roadrunner with a 750 has gone 11.40@118

6570865-19-02.JPG (86 downloads)
Re: How fast in 1/4 with single AFB style carb [Re: 6PACMAC] #966608
04/06/11 05:14 PM
04/06/11 05:14 PM
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Brookeville, Md
Mr.Yuck Offline
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you might be able to pull 12's. however if you went with a real carb you could be in the 11's easy. Depends on the build, car and carb size.


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Re: How fast in 1/4 with single AFB style carb [Re: 6PACMAC] #966609
04/06/11 08:04 PM
04/06/11 08:04 PM
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Oregon
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AndyF Offline
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Quote:

I know max wedge guys are well into the tens with 2 AFBs. I'm just curious how fast with just one




If the only rule was that the engine needed to use one AFB carb then it wouldn't take long before guys were running in the 9's or even 8's. If there was money involved, they would figure it out.

The Super Stock guys are in the 10's but that is with a whole rule book of rules that they have to follow. Get rid of those rules and the times would drop like a rock.

Re: How fast in 1/4 with single AFB style carb [Re: Mr.Yuck] #966610
04/06/11 08:12 PM
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dOrk ! Offline
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Quote:

you might be able to pull 12's. however if you went with a real carb you could be in the 11's easy.




Ahhhh ... a REAL carb ? ... like a Plastic-Fantastic !!

Re: How fast in 1/4 with single AFB style carb [Re: dOrk !] #966611
04/06/11 08:42 PM
04/06/11 08:42 PM
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Brookeville, Md
Mr.Yuck Offline
Not enough dumb comments...yet
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Brookeville, Md
Quote:

Quote:

you might be able to pull 12's. however if you went with a real carb you could be in the 11's easy.




Ahhhh ... a REAL carb ? ... like a Plastic-Fantastic !!




hahaha yeah...I'll give you a thermo over a tiny afb

Re: How fast in 1/4 with single AFB style carb [Re: Mr.Yuck] #966612
04/07/11 11:29 AM
04/07/11 11:29 AM
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Sidney Ohio
9SecRoadRunner Offline
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Quote:

you might be able to pull 12's.

to the original poster...its obvious as stated several times already your are NOT limited to 12's using an AFB style carb, with some tuning abilities you can easily make them run fine and make good power...dont let the guys who say you cant do it decide for you...just because they cant do it doesnt mean everyone else cant

Last edited by 9SecRoadRunner; 04/07/11 12:51 PM.

You Thinking It's So Doesn't Make It a Fact
Re: How fast in 1/4 with single AFB style carb [Re: 9SecRoadRunner] #966613
04/07/11 11:34 AM
04/07/11 11:34 AM
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Oregon
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AndyF Offline
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Oregon
Take a Pro Stock car, pull off the tunnel ram and put a sheet metal 4bbl intake on there with a single AFB. I bet that combo would run in the 8's.

We've done some dyno testing with small carbs before and while the motor drops power, it still makes enough to push a car down the track plenty fast. A big motor might drop 100 hp when you replace a Dominator with a Holley 650, but that is still enough power to run 8's or 9's with a good chassis.

Re: How fast in 1/4 with single AFB style carb [Re: 9SecRoadRunner] #966614
04/07/11 05:15 PM
04/07/11 05:15 PM
Joined: Jan 2003
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Brookeville, Md
Mr.Yuck Offline
Not enough dumb comments...yet
Mr.Yuck  Offline
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Posts: 24,562
Brookeville, Md
Quote:

Quote:

you might be able to pull 12's.

to the original poster...its obvious as stated several times already your are NOT limited to 12's using an AFB style carb, with some tuning abilities you can easily make them run fine and make good power...dont let the guys who say you cant do it decide for you...just because they cant do it doesnt mean everyone else cant




didn't say you couldn't. but you'd have to spens big big dollars on an AFB to equal the performance of an off the shelf 750HP carb. The AFB mentioned above is far from a shelf unit. If rules allowed it he'd probably run a holley. It's just a better design PERIOD. So for the evryday Joe Smoe weekend warrior a holley is a much better choice for all out performance. I've run plenty of Carter and cater based carbs, No issues w/ any, you just get more form a holley.

Re: How fast in 1/4 with single AFB style carb [Re: Mr.Yuck] #966615
04/07/11 05:45 PM
04/07/11 05:45 PM
Joined: Nov 2003
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Sidney Ohio
9SecRoadRunner Offline
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Sidney Ohio
Quote:

Quote:

Quote:

you might be able to pull 12's.

to the original poster...its obvious as stated several times already your are NOT limited to 12's using an AFB style carb, with some tuning abilities you can easily make them run fine and make good power...dont let the guys who say you cant do it decide for you...just because they cant do it doesnt mean everyone else cant




didn't say you couldn't. but you'd have to spens big big dollars on an AFB to equal the performance of an off the shelf 750HP carb. The AFB mentioned above is far from a shelf unit. If rules allowed it he'd probably run a holley. It's just a better design PERIOD. So for the evryday Joe Smoe weekend warrior a holley is a much better choice for all out performance. I've run plenty of Carter and cater based carbs, No issues w/ any, you just get more form a holley.


.....

OP asked "how fast in the 1/4 with a single afb style carb"....your answer " 12's "...not once was it limited to "box stock" or "price"....you said maybe 12's, your WRONG period !


You Thinking It's So Doesn't Make It a Fact
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