Thread: RPM's at 80 MPH
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Old 10-21-2009, 01:29 AM
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Tollboothwilley Tollboothwilley is offline
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2003 Infiniti G35
 
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Its possible that all sedans 03-04 have 3.3 FD. While the 5AT have open diff the 6MT have VLSD. I think that all coupes have 3.5 FD - open for 5AT and VLSD for 6MT.

I know all 5AT between 03-04 have 3.3 FD. I think that 2005+ 5AT have 3.5 FD with VLSD.

All 6MT coupes have 3.5 FD with VLSD.

HR motors have different gearing...3.69 for the Sedan, not sure with the coupe. Assuming all the 3.7L and 3.5HR motors have interchangeable differentials & gearing.
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