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Dynoed the c5 for the first time today.

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Old Feb 9, 2006 | 07:43 PM
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Default Dynoed the c5 for the first time today.
Baseline run with only the intake/smooth bellows: 298rwhp

Installed an ASP crank pulley, borla stingers, WCC xpipe and new plugs: 312rwhp/320rwtq

So, I picked up 14rwhp with the exhaust and pulley, but that was with NO tuning (just dyno pulls) and the computer is pulling timing like a **** up top. It climbs to 311 real early then just plummets when the computer pulls back. I'm gonna pick up a Shaner s2 and an ls6 intake and then head back for some tuning. I'm sure I'll reach 325rwhp.
Last edited by CookieMonster; Feb 10, 2006 at 12:08 PM.
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Old Feb 10, 2006 | 09:20 PM
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congrats man! get some tuning you will definately gain some!
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Old Feb 11, 2006 | 09:07 AM
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Originally Posted by CookieMonster
Baseline run with only the intake/smooth bellows: 298rwhp

Installed an ASP crank pulley, borla stingers, WCC xpipe and new plugs: 312rwhp/320rwtq

So, I picked up 14rwhp with the exhaust and pulley, but that was with NO tuning (just dyno pulls) and the computer is pulling timing like a **** up top. It climbs to 311 real early then just plummets when the computer pulls back. I'm gonna pick up a Shaner s2 and an ls6 intake and then head back for some tuning. I'm sure I'll reach 325rwhp.
How do you know the PCM is pulling timing out??? Did you at least get your AFRs

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Old Feb 11, 2006 | 12:42 PM
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Originally Posted by SideStep
How do you know the PCM is pulling timing out??? Did you at least get your AFRs

yea, the readings are on the bottom of the sheets, right?
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Old Feb 11, 2006 | 02:14 PM
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Originally Posted by CookieMonster
yea, the readings are on the bottom of the sheets, right?
The AFR is usally shown at the bottom of the dynograph. How do you know the PCM was pulling timing???
Last edited by SideStep; Feb 11, 2006 at 02:35 PM.
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Old Feb 11, 2006 | 03:38 PM
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Originally Posted by SideStep
The AFR is usally shown at the bottom of the dynograph. How do you know the PCM was pulling timing???
that's what they told me
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Old Feb 12, 2006 | 02:14 PM
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Dunno why it would be pulling timing. My C5 with just an intake and a flat *** HP curve and had no timing issues whatsoever.
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Old Feb 12, 2006 | 02:28 PM
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I bet you could add some timing. Only reason why it would be pulling it is if the gas was bad or low octane I think. Never had this problem in the Z06 but in the Trans Am I did once.
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Old Feb 12, 2006 | 03:14 PM
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Originally Posted by Chrisrokc
I bet you could add some timing. Only reason why it would be pulling it is if the gas was bad or low octane I think. Never had this problem in the Z06 but in the Trans Am I did once.
well, all gas in Cali is bad...we top out at 91 octane.
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Old Feb 15, 2006 | 08:27 AM
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Originally Posted by CookieMonster
well, all gas in Cali is bad...we top out at 91 octane.

I made 519 rwhp on cali 91 octane. Who is "they".
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Old Feb 15, 2006 | 11:32 AM
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off topic but isnt 298 low for a C5?? i thought bone stock Z28's and Trans Ams make that. Are you an auto?
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Old Feb 15, 2006 | 06:32 PM
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Originally Posted by 01bird58
off topic but isnt 298 low for a C5?? i thought bone stock Z28's and Trans Ams make that. Are you an auto?

It does say A4 in his sig.
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