8-Lug Truck Performance Duramax, 8.1L, and HD tech | Intakes | Exhaust | Tuning | Suspension | Drivetrain

8.1 help

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Old 03-10-2010 | 09:38 AM
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troysspeedshop's Avatar
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Default 8.1 help

cold start up raddles not knocks hdro raddles
Old 03-24-2010 | 08:17 PM
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Piston slap. Get use to it. My 8.1 did it from the day I bought it. Its got to do with short skirts and not the ones on girls!!!
Old 03-25-2010 | 11:09 AM
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Like he said, piston slap. Not really anything to cure it. I started using Mobile 1 10w-40, it lessended the noise, but by no means cured it. Get used to it, its always gonna do it
Old 03-26-2010 | 01:53 PM
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same here, 130K miles latter its a little louder but not by much.... you should hear them when its below zero! also on mine when its below 20% my belt squeels...
Old 03-26-2010 | 10:36 PM
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My 2002 did it too, went to 10w-30 and helped a bit.
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