Quick question, how many miles are neccesary on a motor before converting to synthetic motor oil? 500? 1000? 3000?
I'm not sure that's a good benchmark to use - new engines are assembled using parts and tolerances that are "synthetic ready." I wouldn't want to count on older-spec engines assembled with high-performance parts not needing a normal oil break-in period.A lot of new cars come straight from the factory with synthetics in them already, any time shouldn't be a problem.
I agree, and I think it can also be concluded that since synth oil reduces friction in any engine, that there is a benefit to running it in any engine, regardless of use.Syn is sold based on extended oil change intervals but thats not the reason most on the VMF would use it. The reason I use it is based on the friction and wear rate tests I have looked at. Syn reduces internal engine friction for sure. I plan to run a year between changes.
As far as moisture goes, oil temperature should exceed 212 DEGF occasionaly and that would take care of the moisture. Too cold of a T-stat is the main cause of engine sludge. The second is short driving distance.
was the article sponsored by one of those synthetic-oil vendors? ::Any of you guys use synthetic tranny fluid? I'm thinking about it...
By the way I think one of the "Five Oh" magazines did a dyno test of mineral versus synthetic oils. Synthetic frees up 2-3 HP from reduced friction.