Thread: Lunched my Diff today
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Old 01-04-2012, 11:45 AM
  #17  
Sonic Boom
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Originally Posted by Turbosimpsons
don't think they do 3:9.. 3:7 or 4:1 ive found.
Got this off the Supra forum:

Normally Aspirated - 4.30:1
2.5 Twin Turbos - 4.10:1
3L Turbos (87-88) - 3.90:1
3L Turbos (88-92) - 3.73:1

Rich
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