first oil change after running in

[yayoboy]

ive used valvoline vr1 20 50 mineral to wear my engine in, im going for 10 60 millers fully synthetic now, which i plan to change along with the filter just before i go to the tuners. question is, without actual removing the oil cooler, what have people done to remove old engine oil from the system? i know you dont have to completly rid the engine of all traces of mineral, but the cooler holds a fair bit which i think would be to much to leave in when going to fully synth? opinions please

[Gareth_C]

I would either run the engine for a bit so the temp gets to a normal running temp and the majority of the oils should run back to the sump/filter area. Or you could buy a tin of engine flush which shouldnt harm anything as long as you follow the destructions on the tin.

[Count Vaux Alot]

Disconnect the cooler and blow it out with an airline (or your mouth lol)

[yayoboy]

Ok I just been advised now by a couple of people to leave the running in oil in unroll it's been setup? then change the oil and filter surely not

[Gareth_C]

Ok I just been advised now by a couple of people to leave the running in oil in unroll it's been setup? then change the oil and filter surely not

To be fair yayoboy I dropped my car off at the rolling road with the running in oil still in. I only left it in because there is a chance the engine might still be running in when he boots it which means wasting oil to change after the map. Well that what the guy mapping guy told me :confused: