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What oil viscosity do you suggest using on a Ford Crate 460 and Ford 9 Rear?
I like the idea of Mobil 1 10W30 Synthetic, but what do you think would be best for this motor?
It's a bored .030 460 with all new parts. While at it, what fluid do you recommend for a Ford 9 inch rear with 3.33 OEM (new) gears, Ford OEM Trak Lok? I'm looking at Mobil1 and Red Line 75W90 and 80W140. Thanks! |
I've heard that it's best not to use synthetic on a new engine until you have a couple hundred miles on the odometer. I think it has something to do with allowing the rings to seat.
I broke in the engine, changed the oil & filter, drove it for 500 miles and switched to synthetic with a new filter again. This may have been overkill, but I wanted to make sure that it was free any lubriplate and cam lube. |
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