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Author Topic:   Synthetic Oil Question?
Speed Racer X
Member
posted February 15, 2004 12:04 PM
What oil did you run during break in?


outlawstock17
Member
posted February 15, 2004 04:54 PM
i run the same mobil 1 15w-50. changed it every 6-8 races....everything looked good and was clean as a whistle...


dirtracer50
Member
posted February 15, 2004 08:22 PM
I also run the 15-50 Mobil 1. Bearings allways look good and everything seems to be clean inside on mine.


racer17j
Member
posted February 15, 2004 09:09 PM
i have read not to use syn oils in dirt engines because it doesn't clean as good as crude based oils do guess it doesn't bond as well to the dirt to cary it away to the filter like it should or something like that


Speed Racer X
Member
posted February 15, 2004 09:15 PM
So what is the advice on oil. I ran synth mobile last year in old motor so I dont know about how clean it is. Tore motor down cleaned it reringed it new pump pan cam and head work roller rocker. After brake in what should a guy run.


lucky13
Member
posted February 16, 2004 06:20 AM
Same here as dirtracer50, everything looked great with much less wear on a 500hp LM spec engine.


dirtbuster
Member
posted February 16, 2004 09:07 AM
We have run both M1 15w50 and also Royal Purple 41. I think the RP is prob a little better racing oil but also more money as well. RP is 100% compatible with alky though whereas M1 you have to be more careful. I wouldnt be afraid to run either one in a gas motor. On alky would prob go RP but we ran M1 on alky for 3 years and never had problems.


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