Originally Posted by stickshifter69
Thanks for that insightful research, nicknaz. It's nice to know the 35is IS potentially 0.020 seconds quicker than the 35i.
The reason I am looking into it is I am trying to figure out whether or not the default JB4 settings for the 35is can be used in the 35i.
15psi target from 2500 to 5000rpm sounds a lot better to me than 11psi ramping up to 15psi at 5500 rpm.
Other than part numbers on the realoem website what other tech has come up on the forums to validate that the 35is is just a factory tune? I just keep seeing the same speculation rehashed when I search.