2.9 pulley on 07 ss/sc
07-22-2009, 09:05 PM
#26
You would want to use either or.
For those of you who are interested in the info, I just installed the kit on my 2009 G5 GT. I started out with the 3.0 pulley and a custom tune by Trifecta. After installing the 2.9 my a/f ratio at WOT went up .3 to .5 so with that said, I wouldn't put one on with a Stage 2 tune and if I did one with a custom tune I'd double check the a/f ratio.
For those of you who are interested in the info, I just installed the kit on my 2009 G5 GT. I started out with the 3.0 pulley and a custom tune by Trifecta. After installing the 2.9 my a/f ratio at WOT went up .3 to .5 so with that said, I wouldn't put one on with a Stage 2 tune and if I did one with a custom tune I'd double check the a/f ratio.
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05sschevcobalt
2.0L LSJ Performance Tech
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02-21-2012 07:27 AM