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Mod | | | Forums66 Topics128,023 Posts1,055,367 Members48,420 | | 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: Jul 2005 Posts: 153 Wrench Fetcher | | Wrench Fetcher Joined: Jul 2005 Posts: 153 | I put in a new gm LM1 290hp crate engine with edlebrock preformer intake and 600cfm carb that is calibrated for economy. I'm runing it through a 350 turbo tranny and a 3:08 rear. Dual exhaust with 40 series flowmasters. Its in my 61 panel daily driver. What should I expect for reasonable mpg? Right now I'm in the single digits and its costing me a fortune to run. I was hoping to get 12-13 mpg is that out of the question? Thanks
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