Quote:
Originally Posted by JamesM3M5
http://www.bobistheoilguy.com, etc. The first number is the Winter or very cold weather "pumpability" rating, not a viscosity. The second number is SAE viscosity rating taken at 100C/212F.
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thanks! I was actually just reading one of your posts from an old thread about people seeing hp gains from running Motul...
you were actually the one who said our motors are built for 5w-30 and we should stick to that for street use...
just wanted to ask with increased power levels we run on our engines after tuning/bolt-ons would running a thicker oil still be bad? you said we may lose a couple HP but that's not bad to me for lower oil temps.