Quote:
Originally Posted by roastbeef
i had a hard time finding it in the US, but ecs tuning actually carries 75-140 in a differential service kit- if anyone is wondering. free shipping right now, too.
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You could get redline 75w-140NS and then add FM yourself. I'm sure you could call redline and get some dosing recommendations.
Id bet the redline 75w-140 will have less FM than OE.