Quote:
Originally Posted by 75ChevyGuy
My truck get's around 18 for city. Never take it on the highway. I've got a 350 with a quadrajet and a 3l80. I've got 3:73"s in the rear I believe and 15x8 Rallyes with 295/50's on them. And I'll even gun it from time to time. I was getting about 15MPG before I did a tune up with all ACDelco parts. Maybe all you need is a good tune up?
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see this is what throws me for a loop. you got a bigger engine yet you are almost doubling me up on mpg?
what kinda parts did you tune it up with?