Re: Longevity of a GM 6.5?

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Posted by Andy in Ohio on October 21, 2002 at 21:27:16 from (65.24.143.7):

In Reply to: Longevity of a GM 6.5? posted by Jack on October 18, 2002 at 07:42:37:

The engines DO in fact last longer. In the '60's, a car with over 100K was considered to be a worn out turd. (there are exception though...) Today, if you get less than 150K out of a new car, you wanna sue the manufacturer.
IMO there are 4 main things making engines last longer.
Better tolerances... Nuf said.
Electronic fuel injection... Less fuel washing down the cylinder walls and diluting the oil. This is a very good thing to reduce.
Roller cams...The 6.2/6.5 have these, the roller lifters all but eliminate friction on the lobes, and the lobe will live 100K+, instead of wiped lobes at 75K.
And the oil Is much better today...again, nuf said.

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