One other concern would be the it would cause a lot of wear by washing all the lube out of the head and then starting it and waiting for the oil to get back up their.
Sumo
Sumo
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Like coyote has said, mixing some oils can produce a nasty tossletail :p (yep it accpeted that one) which can make all sorts of weird and wacky outcomes. But usually it is confined to mixing exotic synthetics with minerals. 99% of full synthetics will be fine with one and other. As for oil flushes, i dont reccomend them because its hard to deposit all of the fluid from the engine one using. These left over might reduce the oils ability to protect the engine. Nothing is better than flushing with the oil your gonna use, if you can be bothered with the $'s.2001 Nissan 200sx
215 rwkw, 12.67
apexi power intake, apexi FMIC, halfya f1 spec muffler.
2000 Subaru WRX
Near standard 14.09
2004 Mitsubishi EVolution VIII on the way...
"We tell you this only for your own good. Sell up your Impreza WRX STi's, HSV Clubsports and FPV GTs now because when the EVO VIII gets here, they will suddenly become obsolete. This car is about to smear them into the scenery" Motor Magazine 2004.Comment
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