TwinTurbo.NET: Nissan 300ZX forum - No, they aren't smaller >>
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Subject No, they aren't smaller >>
     
Posted by ChristopherTheOne on December 07, 2001 at 11:49 AM
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In Reply To Auto TT's had slightly smaller than 5spds. (n/m) posted by shawn300z NEVER gonna have TT on December 07, 2001 at 11:15 AM
     
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They are the same Garrett T25s that are on the manual, same compressor wheels, same turbines. The difference is in the housings...the autos have a smaller A/R ratio for the exhaust turbines, forcing the exhaust through at higher pressure and giving a quicker spool-up.

     
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