Oils..

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May 23, 2005 | 12:34 AM

#16

Wingless Wonder

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From: Sacramento CA

Car Info: 02 Impreza WRX sedan

Quote:

Origami posted by MotorCitySTI
Should i flush the system? of just change it and dont expect full benifits untill the next oil change? Also, do you know of any reprecussions for switching to synthetic with out first flushing the system?

I don't think you have to flush the oiling system at all in a new engine. Modern synthetics are formulated to be compatible with conventional motor oil and can be mixed 50/50, 25/75, or whatever combination you like. You just won't get the full benefit of using straight synthetic oil, though.

If I was out driving in the middle of nowhere and my turbo oil supply line developed a leak, I wouldn't hesitate to top off the crankcase with conventional motor oil if that was all that was available and I really had to drive the car. I would just perform an oil change after the leak was repaired.

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