8 89jimjim New member Joined Mar 6, 2011 Messages 3 Reaction score 0 Points 0 May 5, 2011 #1 I dropped a v8 into my 89 Jimmy and wanna know if I wrap the headers will it cause more heat in my exhaust valves, making them not seal properly?
I dropped a v8 into my 89 Jimmy and wanna know if I wrap the headers will it cause more heat in my exhaust valves, making them not seal properly?
