Re: AFB vs AVS for Hemi
[Re: mopartony]
#1451209
06/11/13 11:04 AM
06/11/13 11:04 AM
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Joined: Jun 2003
Posts: 9,225 Charleston
sixpackgut
Drag Week Mod Champion
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Drag Week Mod Champion
Joined: Jun 2003
Posts: 9,225
Charleston
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AFB has weights that control the secondary opening
AVS has a spring loaded flap like a quadrajet or thermoquad
I prefer the AVS carbs and that is what I run on my car
Gen 3 power 6.22@110, 9.85@135 Follow @g3hemiswap on instagram
performance only racing, CRT, ultimate converter, superior design concepts, ThumperCarbs
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Re: AFB vs AVS for Hemi
[Re: mopartony]
#1451210
06/11/13 11:11 AM
06/11/13 11:11 AM
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Joined: Oct 2007
Posts: 4,209 New York
polyspheric
master
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master
Joined: Oct 2007
Posts: 4,209
New York
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IMHO the AVS secondaries are both easier to adjust and to match F vs. R. There's more tuning commentary for the AFB.
Boffin Emeritus
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Re: AFB vs AVS for Hemi
[Re: mopartony]
#1451211
06/11/13 12:48 PM
06/11/13 12:48 PM
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Joined: Jul 2010
Posts: 2,091 Delray beach, Florida
Performance Only
top fuel
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top fuel
Joined: Jul 2010
Posts: 2,091
Delray beach, Florida
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I've built quite a few Hemi's with the inline 4 and the AFB carbs have always worked like a charm. Maybe it has something to do with the design of the intake?
machine shop owner and engine builder
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Re: AFB vs AVS for Hemi
[Re: sixpackgut]
#1451214
06/11/13 02:13 PM
06/11/13 02:13 PM
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Joined: Nov 2003
Posts: 2,715 closer to Canadian beer!
torkrules
I'm neurotic
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I'm neurotic
Joined: Nov 2003
Posts: 2,715
closer to Canadian beer!
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Quote:
AFB has weights that control the secondary opening
AVS has a spring loaded flap like a quadrajet or thermoquad
I prefer the AVS carbs and that is what I run on my car
X2
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Re: AFB vs AVS for Hemi
[Re: Triggerfish]
#1451221
06/12/13 07:35 AM
06/12/13 07:35 AM
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Joined: Mar 2006
Posts: 9,852 MI, usa
dvw
master
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master
Joined: Mar 2006
Posts: 9,852
MI, usa
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I run two stock 750 eddy AFBs on my 572 wedge. Chokes removed and secondarys jetted up, no other mods. Even with a 285@.050 cam it idles great, good throttle response. Its gone 9.30@144 . Doug
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