what oil to use

dartley said
I had started the exact same thread here - http://www.allpar.com/forums/index.php?showtopic=97969 - on Allpar.

One suggestion came out pretty strong; and that's to use a can of STP with regular oil.

What's the consensus here about that?

In my own lookup - also on the above thread - I noticed that Amsoil AMO sounded like a good choice as well. But if Valv VR1 is cheaper and just as good then I'm heading out soon to get some of that if I can locate it (not too may NAPAs on LI, NY.
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Try as I may , I can`t find the zinc content for STP, seems like trying to find the formula for Coca~Cola might be easier! I`ve heard that too about STP, just can`t verify it. The down side I`ve heard from additives is that many oils are blended synergistically, so if you go adding something to it ,you`ll upset the balance and inherent quality of the oil.