Impala Tech - View Single Post - 350 crate engine
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post #4 of (permalink) Old 06-03-2019, 10:02 AM
Big Dave
Join Date: Jan 2006
Posts: 12,493
Pre-oiling prevents premature wear as parts start up dry. To minimize wear you should have everything installed and adjusted to run. You have to vary the RPM on break in so there won't be time for extended idling to adjust timing and carb. Motor must be provided cool water or installed in car with cooling system fully functional. If you have a flat tappet cam you can loose it in the first ten minutes of the start up.

Big Dave
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