I'm going to do the exact same thing. Looking for a MT open diff right now. Let me know if you run across one!

Yes, I lost cruise control. I did the gas pedal reset before moving the car after the install. What I didn't do was turn cruise on and then back off before moving. That may be the difference.

Believe it or not, first gear is still very manageable. First to second gear pops hard, and second to third will lay down rubber. The biggest difference is 5th, 6th and 7th. The car skips through these gears and begs for more. Highway downshifts are a beast!

Attachment 103183

Here is pic of my mpg in 7th gear headed to Austin for an uprev tune.

24 mpg is ok by me.

I've got a 7at open diff 370z, gonna get an LSD so I'm looking at these gearings at the same time.. The only thing is, I'm at 479hp to the wheels with a Stillen supercharger. Should I bother going down in gearing if I'm FI?

OH **** this thread was a year ago not today xD

People will tell you no. Typically the guys who go FI want the AT gearing because it means more top end speed and some other benefits im not aware of probably.

OH **** that post was may 2016 not today xD.

What did you do?!
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