View single post by SpeedyMitch
 Posted: 11-04-2010 12:32 am
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Joined: 12-17-2009
Location: Hailey, Idaho USA
Posts: 83
Jensen Healey wrote: Castrol Syntec 20-50 for Classic Cars has it. Valvoline VR1 has it. Diesel and motorcycle oils have it. Red line has it.

I have been using Valvoline VR1 20w-50. Would any of these other oils (i.e. Redline) help with low oil pressure issues on a worn 907?

My experience is that synthetic oils are 'thinner' - any idea how that would effect the oil pumps ability to prime and maintain pressure?