Quote:
Originally Posted by lj909
Just a thought but you said you went with the 9lb pulley but didn't tune for it? That would be putting more air in and leaning the car out. I'd think I'd be looking at the tune and getting some data logs before chasing mechanical issues
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AFRs all checked out during the week of driving done post-install... Even though there would be more air, it would still be accounted for passing through the MAFs