Originally Posted by jbell36
24 is impressive, but i would have to see it to believe it...i know my 6.4 will never get anywhere close to that, unfortunately, even tuned...before the tuner i was getting 11.5
what year and engine is your duramax?
It's an '01. The LB7. It's for sale on here. But I hate to get rid of it with everything that's done to it
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