C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Inside your exhaust tips - Color - ???

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Old Jul 22, 2001 | 12:17 PM
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Derf
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Burning Brakes
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From: North\East Wisconsin
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My 86vert was running rough on idle and surging. Checked codes and got a 33. Replaced the MAF and MAF relays (2). She's running great now. Noticed the color inside the exhaust tips has changed from black to light grey. The rich fuel smell on start up is gone also. I believe this light grey color is good??? What do you think.
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Old Jul 22, 2001 | 03:33 PM
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Fang S-289's Avatar
Fang S-289
Burning Brakes
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From: Charlotte NC
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Light gray is good. You're burning fuel more efficiently.
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