what oil to break in engine
The quality of your engine begins and ends with the shop (or person) building it. If your specs are calibrated correctly, the break-in on a roller motor should go very smoothly. If not, it really doesn't matter what oil you put into it.

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Largest Stocking Distributor of LS-x Engines / CHECK OUT OUR NEW WEBSITE!
COMP - FAST - PACESETTER - DIAMOND RACING - EAGLE SPECIALTY PRODUCTS - CALLIES - COMETIC GASKETS
RAM CLUTCHES - MOSER ENGINEERING - KOOK'S HEADERS - ARP - GM BOLTS AND GASKETS - MSD - NGK
POWERBOND - ASP - AND MORE!
The Best V8 Stories One Small Block at Time
My new motor will be done in a few weeks and I paln on doing a few break in pulls on an engine dyno before bolting it into the car. That will be the only time I have no cats on it. Will the zinc or phosphorus hurt the cats at all?






