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 03-30-2005, 19:41 Post: 109146
beagle

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 Chevy V8 Engine Slap

I have a buddy who is a calibration engineer at the GM proving grounds. He clains the engine slap was discovered by GM before the engine was released to the market, but was dismissed as a minor annoyance. I suppose that depends on whether paying $35k for a rattle trap is annoying or not.

I have a 04 Silverado with the 5.3. No piston slap, but there is a "clunk" in the transmission or drivetrain when accelerating. It sounds like a hydraulic or control probelm in the transmission, but again, was told that is "normal".

These test engineers need to start having to pay for the vehicles they drive.






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 03-31-2005, 07:36 Post: 109170
beagle

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 Chevy V8 Engine Slap

grinder, the real kick in the pants is that they do drive these things before they sell them. He drove a GMT-800 vehicle for a year before they came to market. He has been driving a H-3 for 3 months now, with his computer hooked up to it. Every day he downloads 3000 lines of calibration information into some database. The problem is the politics at GM. Getting someone to make a decision to change what engineering has developed takes divine intervention. They leave it up to the calibration engineers to make it work. Nobody has the balls to go back and get things changed.






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