Quote:
Originally Posted by grahambehan
Yes that will be fine for your LT5.
Graham
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Hmmmmm.....
It seems Mobile 1 10W-30 being fine is debatable......phosphorus 800 and Zinc 900...
I am sticking with Amsoil 10W-40 with Phosphorus 1265 ppm, Zinc 1378 ppm.
I suppose it depends considerably where your RPMs are most of the time among other issues...
I suppose it also depends on how the catalytic converters behave with various oil chemistry.