Quote:
Originally Posted by chrismoore701
How many of you guys run zinc oil additive in your motors? I have a 79 350 and getting ready to change the oil after the break in
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I did this too,spent some money including a cam. First oil change right after break went to Valvoline VR1 10W30 Racing Oil(20W50 avaliable too) has the high ZDDP. I do put in about a Half bottle of the additive each change just cause I have it. Change @ 1500 miles or 2000 depending.....Runs great W/4K on it now.
I think this is the best, might not be the cheapest, don't care about that. Good price online and free shipping az