TwinTurbo.NET: Nissan 300ZX forum - Some info comparing the z32 5spd and z33 6spd
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Subject Some info comparing the z32 5spd and z33 6spd
     
Posted by 91Z32TT on October 08, 2009 at 3:29 PM
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In Reply To 300zx 6 speed transmission? posted by Racedaily on October 08, 2009 at 01:39 PM
     
Message First, the z32 trans is a stronger transmission.

The 350z is a close-ratio 6 speed, meaning - it has more gears, but the gears are shorter for quicker acceleration, and less top end.

To the people thinking they can throw in a 6spd and have an extra gear or higher top speed, forget it. The 5 speed used in the Z32 has a longer ratio final gear at .752, compared to the 350z's .794. The 350z still averages a decent top speed with the help of a longer final drive (3.53).

If someone wanted to take on a "top speed" project, change the bellhousing and mate a 5spd from the 88-89 Z31 turbo (same internals) to the Z32, with an early model Q45 differential in an n/a subframe with TT hubs and axles :)

This would yield a .711 5th gear and a 3.45 final drive. Should be plenty good for some low RPM highway speeds and high MPH top speed!

     
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