Quote:
Originally Posted by Phoenix'97
The mechanics and engine builders in the know use conventional motor oil and change it every 3 months and their engines have lasted beyond 200,000 miles and they are so clean on the inside! My stock motor didn't even last 100,000 miles and it was PITCH BLACK AND DIRTY on the inside! Nope, no lab will tell me it's okay to keep the motor oil in my car longer than 3 months...hell no!
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Perhaps you had a malfunctioning EGR?
This is a picture of my motor at 220k miles, having used 10k oil changes, generally 12-18 months apart:
