300ZX (Z32) Forums Dedicated to 90-96 ZCars otherwize known as the Z32's

what turbos?

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Old 02-17-2011 | 07:22 AM
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93twinturboZ32's Avatar
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what turbos?

Well I'm pretty sure my turbo seals are going out , after the car sits I start it and it smokes like a son of a gun! For a while two options replace the seals or upgrade the Turbos. What are some decent Turbos to go with that aren't gonna break mby bank? Thanks for the input
Old 02-17-2011 | 10:02 AM
  #2  
WanganDevilZ's Avatar
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Originally Posted by 93twinturboZ32
What are some decent Turbos to go with that aren't gonna break my bank? Thanks for the input
Originally Posted by 93twinturboZ32
Aren't gonna break my bank?

Replacement seals or another set of stock turbos.

Anything HKS or Greddy is going to run you almost 2k a piece.

If you're fine with the turbos you have, either have them rebuilt, or buy some beefy ones.
Old 02-17-2011 | 10:58 AM
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93twinturboZ32's Avatar
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I jave herd that a lot of times when you try to replace the seals it doesn't fix the problem cause the Turbos are worn out is this true
Old 02-17-2011 | 05:13 PM
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Do not replace seals - you'll have the same problem again shortly after. Replace the entire CHRA - it'll be a new turbo using your old housings, saving you lots of money.

Any turbo upgrade (any turbo larger than stock) is going to require an unpgraded ECU (even the smallest aftermarket turbos - JWT Sport 500s - have a wastegate preset of 12psi, which is more than your stock fuel maps can handle), larger injectors (even at 12psi, a Sport 500 will flow more cfm than your injectors can reliably compensate for), and at LEAST basic upgrades (intake and exhaust), else you risk reliability issues from choking the turbos (which will land you right back where you are now) or overboosting the engine (which will land you at a machine shop having the motor rebuilt).

Last edited by ZLover4Life; 02-17-2011 at 06:14 PM.
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