TwinTurbo.NET: Nissan 300ZX forum - ratios
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Posted by Eric339 on September 13, 2002 at 6:43 PM
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In Reply To as in 70mph in 5th is 3000rpms forever and always>> posted by my91z on September 13, 2002 at 06:39 PM
     
Message With standard tires -245/45ZR16 on 8.5J X 16 rims, the manual twin turbo (final drive ratio 3.69:1) the turbo achieves the following speeds:

Gear MPH RPM
1st 43 7200
2nd 72 7200
3rd 107 7200
4th 139 7200
5th 155 6000 with speed limiter
5th 165 6400 without speed limiter
5th 186 7200 intermittent theoretical, rev limited, 400 hp at least.

The equivalent table for the non turbo, final drive ratio 4.083:1 is:

Gear MPH RPM
1st 39 7200
2nd 65 7200
3rd 97 7200
4th 126 7200
5th 148 6300 power limited
5th 168 7200 intermittent theoretical, rev limited

     
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