Re: Best oil to use...
Hi Tom:
We run full sythetics in everything from lawn mowers to BBC and I mean everything.However in the past few years we started having cam issues in the BBC and after replacing three cams in three engines that should never had to be replaced in my mind ( two solids and one hyd) I am convinced the sythetic oil played a role.I spoke to good friend who rebuilds a lot of BBC and he has seen the same problems just lately and also now uses only the race valvoline.
We switched all of the BBc back to valvoline with gm eos and it seems cam issues on the BBC are gone.
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