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ic upgrade?

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Old 01-23-05, 05:15 PM
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ic upgrade?
will me changing from a pettit coolchargeII ic(older version) to a m2 large smic make a difference in hp?
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Old 01-23-05, 06:21 PM
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Should. You'll have less pressure drop and see colder charge temps.
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Old 01-23-05, 10:46 PM
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I've got a followup question: will it make a significant difference in air/fuel ratios? If I upgraded the IC on an otherwise stock car, would I risk running lean?

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Old 01-23-05, 10:53 PM
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ECU will compensate for the temp drop and the increased boost. You won't have to worry about running lean until you open up the exhaust etc.
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Old 01-23-05, 11:07 PM
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Old 01-24-05, 12:15 AM
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Originally Posted by Kevin T. Wyum
ECU will compensate for the temp drop and the increased boost. You won't have to worry about running lean until you open up the exhaust etc.
and even then i dont think it would be to bad. stock its running super rich so it can lean out a bit.
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Old 01-24-05, 01:32 PM
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haha one person answered my question.. every1 else answered his follow up.. XD
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Old 01-24-05, 01:40 PM
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yes it will make a hp difference, a substantial one probably not.
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Old 01-24-05, 02:39 PM
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Awesome. Thanks Kevin et al.

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