A Peterbilt's probably some thing you really wantto care for and hang onto for a while or sell for a good price, maintain it well.quote:
Originally posted by LargeCarMan:
Ok, some Suburu's are factory synthetics and other OEM's with poorly designed/overstressed transmissions/Automatic or Manual use synthetics as a factory fill. Look at Chrysler...might save the BIG corporations dollars in warranty work.
I like to use the correct fluids for the applications whether it's a Suzuki or Peterbilt.
LCM
A Swift on the other hand...
Well, wait. Is it a GT?

Look at a VOA of Redline MTL and a xW30 engine oil and you'll go hmmmm. FWIW, most Honduhs can use a xW30 in the tranny. And you'll save a few bucks, isn't that why you got the Swift?
www.redlineoil.com/pdf/6.pdf
Check out the viscosities.
www.bobistheoilguy.com/visc.html
And compare them to this chart.
hmm, 50:50 10W30 and SAE30 might do it.