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Old Aug 21, 2006 | 08:31 PM
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C5A4TT's Avatar
C5A4TT
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Default dyno question

Can you guys tell me the proper way to lock up the converter with HP tuners when dynoing? Also how you load to build boost.

Ive been playing with the fuel and timing since the install/first dyno. Jumping from 5psi to 8psi Ive had to add 15% more fuel with the 60lb injectors..timing Im right back to 15 degrees...car just doesnt like any more without knock retard. My O2s are .920mv and zero knock...so its back to the dyno with 8psi. Might try Carlisle this Friday. Hope to check the A/F obviously.

Just to let you know...car wouldnt spin the tires at 5 psi...at 8psi I cant stay in it and keep it straight. Smokes them easy once the lag is overcome. I couldnt be happier with the STS kit now.
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Old Aug 22, 2006 | 09:47 AM
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Originally Posted by C5A4TT
Can you guys tell me the proper way to lock up the converter with HP tuners when dynoing? Also how you load to build boost.

Ive been playing with the fuel and timing since the install/first dyno. Jumping from 5psi to 8psi Ive had to add 15% more fuel with the 60lb injectors..timing Im right back to 15 degrees...car just doesnt like any more without knock retard. My O2s are .920mv and zero knock...so its back to the dyno with 8psi. Might try Carlisle this Friday. Hope to check the A/F obviously.

Just to let you know...car wouldnt spin the tires at 5 psi...at 8psi I cant stay in it and keep it straight. Smokes them easy once the lag is overcome. I couldnt be happier with the STS kit now.
i agree 8 psi is a whole new car. did the same went from 5 to 8 i used a lpe fuel pump.
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