My ride is not pulling the same as it used to after new S/C - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


Forced Induction All questions and problems regarding Superchargers, Turbos, NOS, ZEX, intercoolers, water injection, etc.

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Old 09-03-2006, 01:24 PM   #11
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Dutch, you're reading full boost in the manifold. Boost is not your problem. There is no reason to trick the bypass at this point.
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Old 09-03-2006, 01:35 PM   #12
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There is only one thing I can think of, but I don't know for sure so I need some feedback.

The Vacum Tree coming out of the */C. The O-Ring that seals it at the bottom was getting pretty old and cracked, I reused the old one cause I had to wait for the new one to come in from the USA. I have the new one but haven't installed it yet.

Could this be the cause if it is leaking ?

I don't think there are any other vacum leaks cause the car idles better than ever (nice and stable) and all the lines looked good.

Thanks again,
Dutch
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Old 09-03-2006, 01:36 PM   #13
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If the car idles fine, you are not running lean, and you have full indicated boost, vacuum is not your problem.

Further troubleshooting in Forced Induction will be pointless for you. Boost is not your problem.
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Old 09-03-2006, 01:42 PM   #14
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Ok

Thanks,
Dutch
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Old 09-07-2006, 08:34 PM   #15
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What ever the problem was, it seems to have corrected itself.

Seems to be alot more responsive the past few days.

Thanks Anyways,
Dutch
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Old 09-07-2006, 11:37 PM   #16
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Bad gas? Low octane?

What octane are you running in that?
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Old 09-08-2006, 03:05 AM   #17
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91 Octane, (always) from a major chain. Come to think of it I did put in some from **ell recently not usually were I get my petro from. Maybe that was it.
I was thinking maybe a screwy sensor, whatever it was its back to normal now, just like before the */C replacement.

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Dutch
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Old 09-08-2006, 04:29 PM   #18
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Did you have the Battery disconnected when you were replacing the SuperCharger?


The PCM needs to relearn if you do this...

Usually 100 miles before its back to normal

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Old 09-09-2006, 09:31 PM   #19
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Quote:
Originally Posted by jr's3800
Did you have the Battery disconnected when you were replacing the SuperCharger?


The PCM needs to relearn if you do this...

Usually 100 miles before its back to normal
I didn't know that, really? Hmmm, I redid mine a while back but have only been driving it around the block once a week and thought that the car actually sucked for power. I'm hoping that one day it will surprise me, and actually show me it'* got some balls.
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