Single Turbo RX-7's Questions about all aspects of single turbo setups.

Which 600 whp turbo set-up offers most area under the curve

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Old 05-30-07, 07:38 PM
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Originally Posted by BLitzed33
I will let Ray or the customer post about some crazy numbers for the amount of boost put down on a bridge port motor he just did and is dynoing.
Hey carefull now.
Remember those things don't work!
Old 05-30-07, 08:40 PM
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Originally Posted by crispeed
Hey carefull now.
Remember those things don't work!
LOL, I know right
Old 05-30-07, 09:50 PM
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Originally Posted by BLitzed33
I will let Ray or the customer post about some crazy numbers for the amount of boost put down on a bridge port motor he just did and is dynoing.
It would kill you to keep quiet for even 30seconds! Hurry up and go buy your supra!
Old 05-30-07, 09:56 PM
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I think that the 500R at boost levels approaching 30 psi will get you to your goal. The cold side is similar to a T04Z from what I've seen.....
Old 05-30-07, 10:28 PM
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Originally Posted by ErnieT
It would kill you to keep quiet for even 30seconds! Hurry up and go buy your supra!
"oh what I learned tonight I am never going street port again, blah blah" I never told any numbers to anyone...But remember, its the forums, nobody cares, esp what I say. Thanks I am
Go get some seat time!
Old 05-30-07, 10:58 PM
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Originally Posted by BLitzed33
"oh what I learned tonight I am never going street port again, blah blah" I never told any numbers to anyone...But remember, its the forums, nobody cares, esp what I say. Thanks I am
Go get some seat time!
Your PM's are probably full by now hah?
Old 06-15-07, 09:48 PM
  #32  
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Originally Posted by BLitzed33
here is my dyno with boost curve if this helps...its a borg warner with a 66mm compressor, 80mm turbine wheel and a 1.15 a/r. getting the back pressure out is KEY at that boost and rpm, so make sure your turbine and turbine wheel are sized appropriately. you must clearance your rotors to housings as well when you start making these numbers for eshaft flex. good luck.
This was a really informative post and helped me make a decision. I've decided to recommend the GT4094R. It has a 70mm inducer on the compressor, and a 77mm turbine wheel. Available in 1.09 a/r. Sean at A-spec said it would be better than 70% efficient at 30 psi.
Old 06-20-07, 03:43 PM
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Originally Posted by III Gen X
This was a really informative post and helped me make a decision. I've decided to recommend the GT4094R. It has a 70mm inducer on the compressor, and a 77mm turbine wheel. Available in 1.09 a/r. Sean at A-spec said it would be better than 70% efficient at 30 psi.
If you were looking at that big of a turbo I would have you atleast look at the S472 from Borg Warner. Even with the 1.32 a/r turbine side they spool up (20+psi) before 5000rpms and they are about half the price of a GT40.

This would be another option for you.
Old 12-02-07, 07:19 PM
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Originally Posted by IPT
If you were looking at that big of a turbo I would have you atleast look at the S472 from Borg Warner. Even with the 1.32 a/r turbine side they spool up (20+psi) before 5000rpms and they are about half the price of a GT40.

This would be another option for you.
Definately worth a mention here! If money is not too much of an issue, though, gt4094r wins the race.
Old 12-02-07, 09:09 PM
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You could run the S472 but you don't need to be stuck with the larger 1.32 A/r Personally if money is not a object of concern, there are some pretty cool solutions/combo's out there to fit just about any need.
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