Quote:
Originally Posted by mtbtim
New engines usually have a break-in period of 500 miles. You're suppose to vary the speed over that period and avoid long drives at the same speed. After the 500 miles break-in, you do an oil and filter change. So, I don't know if going on a 3-4 hour road trip with your freshly rebuilt engine is the best decision. It would be better to mix up the first 500 miles with city and freeway miles.
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Not only that, but the risk of errors/problems on a non-factory-built engine are much higher than something like a new factory long block. You want to have short-ish (10-30 minute) drive cycles with time to fully check things over after each for a while. Also, the tow will be easier/cheaper if something does go wrong if you stay local. No cruise control, vary RPMs, avoid idling/traffic (city driving is ok, just not traffic jams).
An oil change at 500-1k miles would be good too.
-Charlie
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