S-10 Forum banner

l31

  1. 5.7 vortec engine swap questions.

    V8 Discussion
    Howdy howdy. I’ve heard that swapping a 5.7 vortec into my 96 4.3 is a really easy swap (well as easy as swapping an engine gets) does anybody know what is the biggest cam I can throw into an l31 without needing a tune? I heard I can put an lt1 cam and get like 10-20 horsepower and around 20...
Top