Re: Another question about oil viscosity
In other threads, some people who use STP in their transmissions have mentioned that it it is very difficult, if not impossible, to drain the stuff out of their transmissions.
If STP sticks to everything and cannot be removed without use of a solvent as has been mentioned in a post above, I would be concerned that it would clog the passage ways from the valve chamber so that oil would not flow very easily down to the mains, especially on startup of a cold engine.
David Serrano
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