Z Zach F New member May 17, 2010 #1 ok i know the 1996 Immpalla ss comes with an LT1 engine but i see these LT4 conversion kits what exactly does it do? does it give u more hp or what?
ok i know the 1996 Immpalla ss comes with an LT1 engine but i see these LT4 conversion kits what exactly does it do? does it give u more hp or what?
