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Mod | | | Forums66 Topics128,102 Posts1,056,532 Members48,448 | | 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
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| | | | Joined: Sep 2001 Posts: 29,270 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,270 | My statement was based on empirical evidence using 4 different new or rebuilt carburetor set-ups on the same 261.
- single, original Rochester - OK but lackluster performance
- dual, original Rochesters (from 235s and from 261s) - too much carb at low RPMs, but nice at the high end.
- dual Carter-Weber (which Langdon first recommended and then said he did not recommend them) - beautiful carbs for starting and at the low RPM, but no oomph at high-end accelerating
- Holley AA-1 two barrel (with adjustable jets) - made for 270-302 GMC engines - works real nice at high and low RPMs
I'd like to hear anyone's personal experiences.
My guess is that the dual 32/36 would be too much. Maybe Carbking will give his expert opinion on this?
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