2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

high compression rotors effect

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Old May 9, 2008 | 07:37 AM
  #1  
FC3sinfiniIII's Avatar
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Question high compression rotors effect

what effect will high compression s5 rotors have on a s5 tii engine?
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Old May 9, 2008 | 07:57 AM
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ping!
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Old May 9, 2008 | 08:04 AM
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ok another question: what will be the difference if i swap my s4 rotors with s5 rotors? any benefit?
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Old May 9, 2008 | 08:28 AM
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you wont be able to boost as high... but in the usuable range you would be supposed to get greater thermal effiency... but that is just in theory.
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Old May 9, 2008 | 09:01 AM
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Originally Posted by FC3sinfiniIII
what effect will high compression s5 rotors have on a s5 tii engine?
It will blow up.

Originally Posted by rxmclaren7
ok another question: what will be the difference if i swap my s4 rotors with s5 rotors? any benefit?
In an NA application, you will get a slightly higher compression ratio and end up with lighter rotors. You will also need to change the counterweight and flywheel to match.
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Old May 9, 2008 | 10:06 AM
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they work great if you have the stand alone to properly tune the car with that much compression

i love it!
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Old May 9, 2008 | 11:12 AM
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KABOOM


-Ted
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Old May 9, 2008 | 11:53 AM
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Originally Posted by Intense_Motorsports
they work great if you have the stand alone to properly tune the car with that much compression

i love it!

+1
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Old May 9, 2008 | 07:16 PM
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high compression turbo motor?! impossible!
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Old May 10, 2008 | 10:46 AM
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The general point is that if you have to ask, it's not a good idea.

My personal opinion is that the S5 NA rotors are too high in compression to be reliable with the skills of the average tuner. S4 NA rotors will take a good beating.
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Old May 10, 2008 | 01:04 PM
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thank you aaron!! my roommate wants to PP my motor and he is really good with tuning and i just thought that s5 rotors would help a little!
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Old May 10, 2008 | 02:08 PM
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S4 n/a rotors in my bridgeported S4 tii engine. But with a standalone.
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