Is this the best rear end gear lube? Says it needs no posi additive? Should I add additive to this stuff? Motorcraft or GM?
It also looks to be the right stuff for the Muncie...that would be nice to only keep one on hand:-)
Ryan
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1969 Beaumont 350 Auto White Sold
1969 Beaumont 307 Auto Green Sold
1969 Chevelle SS 396-L35 Auto Blue Sold
1969 Oldsmobile Cutlass 'S' Sports Coupe W31