Carb for mildly built 429
Printed From: The Ford Torino Page
Category: Powertrain Specific Forum
Forum Name: Big Block Engine Forum
Forum Description: 429 and 460 engines
URL: https://forum.grantorinosport.org/forum_posts.asp?TID=21260
Printed Date: 26-March-2026 at 5:43PM
Software Version: Web Wiz Forums 12.06 - https://www.webwizforums.com
Topic: Carb for mildly built 429
Posted By: 1973gts
Subject: Carb for mildly built 429
Date Posted: 16-May-2024 at 11:24AM
I have been researching carbs to replace a Holley 4160 I presently have on my 429. The engine was rebuilt and an Edelbrock Performer 460 intake and Edlebrock Performer Plus cam were installed and the engine has PI exhaust manifolds on it. I am leaning towards an Edelbrock AVS-2 but am not sure on a 650 or 800 cfm version. The 800 is supposed to be for engines over 400 hp and I'm not sure if the above parts would have gotten me to that level. Any advice is greatly appreciated.
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Dave - 1973 GTS N code
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Replies:
Posted By: 72FordGTS
Date Posted: 17-May-2024 at 8:36AM
What type of driving do you do with your car? IIRC, the 650 has smaller primaries while the 800 has equal sized primaries and secondaries. So the 650 might offer better signal at lower speeds and give better driveability/economy. The larger 800 would probably give more top end power and better overall performance.
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Vince
1972 Ford GTS Sportsroof - Survivor, One Family car
GTS.org Admin
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Posted By: 1973gts
Date Posted: 17-May-2024 at 10:14AM
Thanks, Vince, I mostly do cruising and car shows and occasional pleasure driving, not necessarily looking for the highest performance but focused more on good drivability and economy. Also my car has 3:25 gears and dual exhausts. From everything I've read from people who have the 650 they are really happy with the great low end response with it also.
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Dave - 1973 GTS N code
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Posted By: 72 RS 351
Date Posted: 17-May-2024 at 11:23AM
Yes, I'd choose the 650 too given the plan for mild use, cruising etc. A nice strong 429 with great heads and intake would need more size for sure.
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Don
73 Ranchero "Sport 72 front end", floor shift/console, planning EFI 7000 rpm 351 stroker
73 Ranchero GT 351C-4V &4R70W for sale later.
92 Lincoln Mark VII SE GTC, OBDII 347/4R70W
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Posted By: 1973gts
Date Posted: 17-May-2024 at 12:24PM
Okay, sounds like it's the 650. Thanks
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Dave - 1973 GTS N code
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