7AT 3.692 Gear Review

esfourteen · 11-19-2013, 09:19 PM

the manual 350z has a 3.53 final drive, the 370 has a 3.69. small difference, but worth pointing out

Felix 808 · 11-28-2013, 12:55 PM

Quote:

Originally Posted by esfourteen

the manual 350z has a 3.53 final drive, the 370 has a 3.69. small difference, but worth pointing out

That's 1/2 of the gain right there. 3.53 is only 5% increase while 3.692 is right at about 10% increase. Thanks for pointing that out:

andre12031948 · 11-28-2013, 02:10 PM

If I didn't have my 3:90 gear pumpkin laying around, I would have installed a stock 370z 3:69 gear pumpkin. My car shifted into 5th gear before the end of the 1/4 mile, so the 3:69 gears set up would be perfect/ideal & easy to find & install.

I will make my 3:90 work by tuning & raising the high H.P. point to 7,500 rpm & shifting points apx. 200 rpm. to 7,700 rpm with a redline at 7,800 rpm. It should do very well at the track. Test pipes, maybe better tires plus^^^^^that will put me into the 12.7's/12.8's with stock intakes & stock mufflers. Also it's real fine as a daily street car.

11-19-2013, 09:19 PM	#1 (permalink)
esfourteen A True Z Fanatic Join Date: Mar 2010 Location: LI, NY Posts: 1,375 Drives: 40th TT Rep Power: 20	the manual 350z has a 3.53 final drive, the 370 has a 3.69. small difference, but worth pointing out Felix 808 likes this. __________________ Build Thread \| GTM TT Install Thread \| Engine Build Thread

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11-28-2013, 02:10 PM	#3 (permalink)
andre12031948 Banned Join Date: Feb 2011 Location: monticello new york 127 Posts: 1,095 Drives: 08 350z black 6m/t Rep Power: 0	If I didn't have my 3:90 gear pumpkin laying around, I would have installed a stock 370z 3:69 gear pumpkin. My car shifted into 5th gear before the end of the 1/4 mile, so the 3:69 gears set up would be perfect/ideal & easy to find & install. I will make my 3:90 work by tuning & raising the high H.P. point to 7,500 rpm & shifting points apx. 200 rpm. to 7,700 rpm with a redline at 7,800 rpm. It should do very well at the track. Test pipes, maybe better tires plus^^^^^that will put me into the 12.7's/12.8's with stock intakes & stock mufflers. Also it's real fine as a daily street car.