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| | | Forums66 Topics128,140 Posts1,056,467 Members48,441 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Mar 2010 Posts: 1,660 Curmudgeon | | Curmudgeon Joined: Mar 2010 Posts: 1,660 | Same website: https://www.thecarburetorshop.com/Kford.htmYF6051S 1971 Maverick 200 6 cylinder A/T. You're getting colder. I'm currently running the Y2100S. It's very good but lacks the last little bit of go on the top end. Our 261s are not good breathers on the top end so it can be hard to tell the difference without an on-off carburetor comparison.
Last edited by buoymaker; 03/23/2022 8:32 PM.
"Adding CFM to a truck will only help at engine speeds you don't want to use."
"I found there was nothing to gain beyond 400 CFM."
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