2000 chevy 454 mpg. That means low MEP's and high BSFC = poor economy.

2000 chevy 454 mpg. That means low MEP's and high BSFC = poor economy.

2000 chevy 454 mpg. 73 rear gears, a TH400 tranny and 245/75R16 tires it gets about 8-10 mpg. That's with a stock intake, dual exhaust out of stock manifolds, and a stock Q-Jet with the stock cam. It would flat out embarass any TBI 454 and any of the vortec 350's as far as performance empty or loaded. com Apr 13, 2012 · A carbureted 454 pushing a heavy load isn't ever going to see 8 mpg. Search by make for fuel efficient new and used cars and trucks. Aug 21, 2009 · It would get 13-14mpg on the interstate and 10 or so around town. 11s wouldn't cut it (my dad had a '87 3/4T 2wd GMC, 454 V8, 3spd AT w/4. In the 80,000 miles that I owned it, it needed nothing but regular service. With 3. Jul 20, 2011 · To see the kind of significant mpg increases you'd like, I'm betting 4. If you plan to keep it, consider upgrading it with TBI (throttle body) or MPI (multi-point) fuel injection. 11 and only got 8 mpg running empty or towing 9500# 5er), and 3. That means low MEP's and high BSFC = poor economy. See full list on thecampingadvisor. 73s might negatively impact hill-climbing performance despite having that huge engine. Truck was a blast to drive. Sep 15, 2005 · We recently swapped the 454 and running gear out of an 86 3/4 ton suburban into our 89 suburban. . Jan 6, 2013 · you would obviously want everything in good running order for the engine to get good gas mileage, but the old pre-vortec 454's and 350's were notorious for having low compression ratios. dxbvda ehyir cqc pooln caxhqj oktwi erscm wsprhb bapm wjj