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> Only 120Mph!!!
post Aug 24, 2010 - 8:57 PM
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speed-CCNP



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We should always obey the posted speed limits!!


Ok, with that being said..... I can't get over 120Mph!!!! biggrin.gif

I use a factory the JDM 3sgte ECU (ST215) and a S53 trans. At 5100 RPM in 5th gear the car drops off and bogs down every time. Is there a limiter in the ECU or something? Is it my transmission? It pull hard off the line and runs strong up to 120 then drops right off. I turned the boost in half and I only run it at 10 PSI so I'm not over boosting.

What could be stopping me each time?

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