Quote:
Originally Posted by Rhyder
Im still waiting on a yes or no answer form the GM supporters on if they think a tune causes damage to a vehicle.....I mean by supporting GM's arbitrary voiding of the warranty I assume they do. Im just curious if they will step out from behind a vague"well messing with the ECM can cause issues" kind of statements.
yes or no, does a tune, nothing else, just a tune cause damage to the vehicle?
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It can, what did the tune do, lean it out, fatten it up, maybe cause excessive carbon buildup or a lean condition burning pistons, I am not against tunes, my silverado is tuned. but the factory tries to set it up for the best economy and prolonged life, making addl HP and changing the factory values can make differences in reliability. These new engines can be wound up pretty tight and make impressive HP reliably. They only need to cover their tune and parts, if the parameters change then they are no longer under obligation. Just like a guy who takes his car to the track and breaks a rear end, if the dealer finds out, he can deny the warranty for that failure.