I Have A 95 Lt1 6 Speed.. I Blew M The Original Engine. So I Had To Replace It With Lt1 From A 97 Auto Tranny. The Engine Was Swapt But I Didnt Change The Computer It Still Has The One From The 95. The Problem I Have Is That Im Only Geting About 150 Miles To The Full Tank. My Friend Has A 97 Lt1 Trans And He Is Getting About 300 But His Is Automatic. My Question.. Coul It Be Cause I Need To Replace The Computer For A 97 Lt1???

 

This is the third forum you have posted this on. PLEASE DO NOT post the same question on multiple forums.