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Old 11-28-2013, 01:49 PM   #22 (permalink)
Felix 808
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Join Date: Oct 2011
Location: Camarillo, CA
Posts: 1,063
Drives: 2011 PW/Grey T/S 7AT
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Quote:
Originally Posted by critical View Post
the 3.692 final drive gear with the auto transmission is comparable to a manual with the 4.08 final drive gear. Actually i'm geared higher, minus 5th gear.
Actually you are geared lower. Higher Ratio #'s = lower gears. Pinion gear gets smaller on numerically higher gear sets

Quote:
Originally Posted by critical View Post
not much to say here other than it's awesome. Have a 3.692 final drive gear and a quaife differential and it accelerates so nicely. Car is always in the power band it seems and is much more pleasant to drive around. Fuel consumption is not really affected. I averaged 24 ish on a road trip with some pretty fast driving. In 7th gear i'm at around 3k rpm's at 80mph.
I'm glad I re-read this post, as I was looking into 3.9's for my auto as 4.08's would be too deep for me. After recalculating, there is only 4% difference between the 3.692 & the 3.9's. For the added cost I'm going to go with the 3.692's as they will already be in the low mileage diff I just bought Thanks for saving me a grip of cash

Quote:
Originally Posted by critical View Post
Only negative is that cruise control does not work now. Actually it works intermittently.
The 3.692 final drive gear with the auto transmission is comparable to a manual with the 4.08 final drive gear. Actually I'm geared higher, minus 5th gear.
Does anyone have a clear understanding on how the cruise control works in the 370z? Where is it sensing it's reading from? Also is there any speedo/ Odo correction available/ needed?

Thanks again
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