Thread: Is this enough for a 3.4" pulley

Originally Posted by gtpsgofast

It will all come down to the tune. Kr being the biggest issue. On my 2000 gtp I had those mods and was able to run 13.5s all day long with only one other mod and that was alky injection.(imitation I/C). Now on my 04 comp the kr was much more of a problem. I had to go a different route and now I'm tuned for a 2.9" but that all came with a much higher price tag. I am equipped to run alky on on 04 but it really doesn't do any good because I don't have any knock.

you must be on e85. or running no timing at all to use a 2.9 pulley kr free.