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10w30 or rp

All I know that all you guys running 20w50 should be real careful as far as fluid dynamics go that stuff is thick and really sucks for lubricating until its real warm.

It used to be old school thought that running thicker for high power motors is better but in actuality it is not. Especially with BB turbos imagine trying to squeeze oil through the constrictor to sufficiently lubricate that nice BB turbo of yours.:wall:
 
I use good ol' Valvoline 10w- 30 conventional
 
strokintsi said:
10w30 or rp

All I know that all you guys running 20w50 should be real careful as far as fluid dynamics go that stuff is thick and really sucks for lubricating until its real warm.

It used to be old school thought that running thicker for high power motors is better but in actuality it is not. Especially with BB turbos imagine trying to squeeze oil through the constrictor to sufficiently lubricate that nice BB turbo of yours.:wall:

My dual BB turbo has an oil restrictor because it doesn't have to have a film of oil to ride on, so I will take my chances.

I am breaking in on plain jain valvoline 30 weight for the first 1500 miles, Then I will be using 15W40 Royal purple.
 
turbotalon1g said:
5w-30 most of the year and 10w-30 in the summer.

Mobil 1, i get it for about 2.80/qt so why not.
How??
 
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