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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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post Aug 25, 2010 - 2:50 PM
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racinsun



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i think you need 17psi ecu form st205 as an upgrade if your running st185 ( im not sure about the older 1980s gt4 ), or add an rsm or even just snip afew wires .

But you may also have to sort your fuel cut defender to stop the shut down
post Aug 25, 2010 - 3:14 PM
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speed-CCNP



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LOL!! i love this site!!

I don't have a FCD installed. I can use an st205 ECU and instead of the ST215 ECU? But if it's the ECU then I would look into a standalone or the new e-manage.



QUOTE (racinsun @ Aug 25, 2010 - 2:50 PM) *
i think you need 17psi ecu form st205 as an upgrade if your running st185 ( im not sure about the older 1980s gt4 ), or add an rsm or even just snip afew wires .

But you may also have to sort your fuel cut defender to stop the shut down


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