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help car not running right

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Old 07-09-2011, 01:08 AM
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i have a 2001 camaro ss. its stock with a old thunder grind cam its 228/228.
when u take off its dead till about 3500 rpm. then it pulls hard the engine even changes tones almost like its part throttle till 3500 then opens up.
Old 07-09-2011, 08:45 PM
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That might be where that cam starts to make power. Or u could have a vacuum problem.
Old 07-09-2011, 09:12 PM
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If it seems like the intake noise seems louder I would put a good bet on it being the cats
Old 07-09-2011, 09:49 PM
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the cam starts at 1800
the cats r gone it has a off road y pipe
Old 07-11-2011, 10:31 AM
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Have you tried cleaning the MAF?




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