quote:
Originally posted by MNgopher:
I did confirm that the oil recommendation in the Lightnings was indeed 5w30 until the swtich to 5w20. The Lightnings also made the swtich. Imagine that - a 380 hp V8 using 5w20! If you ask on a lightning board, you will get a million different answers on what they use. Anything from 0w20 to 20w50 and up.