Quote:
Originally Posted by bacon225
I will post up if I find a down side.
But yesterday I put another 270 miles on it using the 87 grade.
I got on it pretty good pulling some of the hills I did NOT lug it I know better. But I did slow down on the bottom of the hill then took off hard banging gears up the hill. Still no problems and can see, hear or feel.
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Your knock retard may be taking out timing to compensate. If so, you will be losing a little power. But, the knock retard can only back off so much.
