Re: what oil weight to use.
I ran 5w20 in my stock motor for around 80k and everything under the valve covers looked great (I did not pull the cams or anything)
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03 dsg mach1 - MPR built 9.5:1 motor, D1, cams, ported intake, full exhaust, magnum t56, built rear, E85 etc...
'12 F150 FX2 Supercrew with Ecoboost daily beater
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