Originally Posted by justin hover
going in for an oil change friday...just double checking...I pop the hood, and pour half the seafoam right where the oil goes...right?? drive around approx.100miles then oil change...sound good?
SeaFoam will clean the crankcase like any other engine flush chemicas will.
BUT Jeezuz....don't drive the sumbitch or rev it at all. When people put stuff into their oil it thins it out, that is what will hurt your bearings. But not if you just let it idle. But revving and driving it like that is just ridiculous.
Pour a full can of SeaFoam into the old oil and run it for 5-8 minutes. Then dump it all out. Then pour 4qrts of new (cheap) oil in and run that for 5 minutes. Then dump it.
Then replace the oil filter and oil......thats it.
Gunk engine flush is my favorite to use. I pour two bottles into my old oil to flush. Been doing it every single oil change for 153,000 miles now on my 427ci. My crankcase is CLEAN. Under my valve covers looks like it was assembled today. But I would use SeaFoam if I had to, its just a chemical.