Discussion in 'Chevy Truck Forum' started by RUDIS454, Nov 17, 2011.
Anybody have an average mpg on the 454? I get from 12.5-13.5. Is that average?
thats about what i used to get on my 90 pu.....8 in an rv.....same if i was towing or not
That is great for a 454... All my 350,s about what they get.
Post a picture of that 454 and truck give us some spec's.
No ****!!!!!! I get 13 in town with my '96 5.7 (350)! Of course that's why I'm going to do a Cummins swap.
Man, that's great for any 454. I wish I got that good in my 350.
My '99 3/4 ton w/ 454 is getting 12+ mpg. Want to change the air intake system and exhaust next summer to try and get a little more.
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