Forced Induction Supercharger/Turbocharger

what gear ratio best for turbo application

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Old Sep 4, 2005 | 02:33 PM
  #1  
detroit1994z28's Avatar
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what gear ratio best for turbo application

What would be the best gear ratio for a turbo application. I currently have 4:10 gears. I was thinking either a 373 or 342. This is for a m6 for the street. hopefully will be pushing 600rwhp
Old Sep 4, 2005 | 02:41 PM
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Re: what gear ratio best for turbo application

for 600rwhp prolly 3.42/3.55 nothing more.
Old Sep 5, 2005 | 08:12 AM
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Re: what gear ratio best for turbo application

Even with those gears, you may not make full boost in first gear, as it revs so quick.
Old Sep 5, 2005 | 12:55 PM
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Re: what gear ratio best for turbo application

FWIW I'm running 3:42's....seems to run pretty good.
Old Sep 5, 2005 | 02:25 PM
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detroit1994z28's Avatar
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Re: what gear ratio best for turbo application

My 4:10s really dont let the turbo to spool at all
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