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Mod | | | Forums66 Topics128,220 Posts1,057,510 Members48,473 | | 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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| | | | Joined: Dec 2022 Posts: 139 'Bolter | | 'Bolter Joined: Dec 2022 Posts: 139 | https://www.hotrod.com/features/1209clt-1951-chevy-3100I was reading the above article and saw that they used a Holley 94 two-barrel carburetor on a stock manifold, 261 engine. The article claims 7-10 more miles to the gallon. Hmmm. For you Carburetor experts. Is that true (ish). Chris
Rock49 aka C-Rodg
work in progress
1956 Chevy 3100
261 engine
| | | | | Joined: May 2015 Posts: 11,191 Housekeeping (Moderator) Making a Stovebolt Bed & Paint and Body Shop Forums | | Housekeeping (Moderator) Making a Stovebolt Bed & Paint and Body Shop Forums Joined: May 2015 Posts: 11,191 | just on the face of it that MPG increase claim is bogus. Even if it got 15 mpg prior to the carb swap, a 50% increase in mileage just isn't realistic.
Kevin 1951 Chevy 3100 work truckFollow this saga in Project JournalPhotos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together. | | | | | Joined: Feb 2004 Posts: 29,890 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 29,890 | A Holley 94 is for a Ford flathead V8 239 cubic inch engine. I ran and rebuilt bunches of them when my daily driver was a 1947 Mercury convertible. They're good carburetors, but nothing fancy, and not much of an improvement, if any, over a Rochester B. The slightly bigger venturi Holley with the same 3-bolt footprint used on the 1955-57 Ford 272 overhead valve V8 engine would be a better choice for a 261 engine.
Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
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