Quote:
Originally Posted by w00t692
^^ dude, no. That's nice that your dad said to do that, but that could be extremely dangerous and a COMPLETELY UNNECESSARY STEP. Changing 95% of the oil and leaving 5% in the system is not bad.
And as far as the ziplock bag goes, if you take off the oil filter heat shield, it will be 5000x easier to do the bag trick.
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Its like why keep dirty old oil in the engine mixing with the new? Might as well flush all the old one out. Just keep in mind not to leave the car running longer then 30 seconds. But it was worth a try, ya mean. Ive done it to my car 5 times already. Engine running smooth quiet.