which oil

patragz22

Registered User
which oil is good to break in new motor, can I use synthetic or conventional oil? if conventional is the answer, when can I switch to synthetic? does it really matter?
 
I break all my morors in on conventional oil then change to synthetic after the second oil change the first at 1000 mi and the second at 3000 mi and to synthetic at 6000 mi. Works for me.
 
Synthetic oil runs much thinner and with the supercharger as well as the high engine temps SC's can run you may run into a bit of oil blow by. Sythetic is recommended more for newer cars due to the much higher engine tolerances they have compared to older motors.
 
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