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Mod | | | Forums66 Topics128,103 Posts1,056,188 Members48,436 | | 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: Apr 2005 Posts: 2,832 'Bolter | | 'Bolter Joined: Apr 2005 Posts: 2,832 | 1957 with 235 and 3sp _____________ 13mpg or about 225 miles per tank
Same 57 with BW OD trans _________ 17-18mpg or about 325 miles per tank
Set up now which is apples and oranges so not much related to original set up but an interesting note on how far engine tech has advanced.
Same 57 with 435hp LS3 and 4L80E trans ___________ 25mpg or about 450 miles per tank.
Rear gears, gas tank, and tires stayed the same.
It will take a L-o-n-g time for the increase in mileage to pay for the swap.
Evan
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