Quote:
Originally Posted by 7speed
What do you mean tweaked...why wouldn't Nissan have it working as it should. This isn't some aftermarket retrofit.
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By tweaked I mean I'm assuming they reprogrammed the srm to match the rpms to the new gears when it rev matchs for you. Changing the final drive throws off the srm and currently there is no fix other than turning off srm (this is with 4.08s). If the 3.90s are "close enough" that Nissan didn't need to do anything that's interesting and if they did tweak the programming then I wonder if my Nisan mech can upload that into my car if I did a 3.90 gear swap.