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[sterling94capri]

What do you all think is the best additive to help clean out the sludge etc. I have heard about people adding transmision fluid,B-12,sea foam etc and letting the engine idle before draining it.Or should I just buy one of the products designed for this?Rocky

[Rocketman]

Seafoam is advertised as being able to be put through the crankcase just before an oil change. I'm pretty certain you're not supposed to drive with the mixture - but apparently it works well. Personally I've only used it via vacuum induction, but I've heard really good things about it cleaning the crankcase.

[Heavensheros]

you put it in your oil and drive for about 5-20 minutes at highway speed then change your oil, doing that this week actually!

[Heavensheros]

ive heard people just drive the full 3000 miles with sea-foam and have no ill effect, but i just go what the destruction's say!

[bhazard]

Drive it for a while...worst it'll do is cause leaks by removing sludge that's sealing your engine.

[rcdraco]

The people I know who use seafoam, both from work and from the Geo community, all do the full treatment, but they run the engine at high idle.  With it billowing black smoke out the back and just about to stall until it runs clear.

[Phillip]

I wouldn't use it in a turbo engine unless you want to have it rebuilt.

[Heavensheros]

ive used it in my oil with no problems !?

[Rocketman]

Drive it for a while...worst it'll do is cause leaks by removing sludge that's sealing your engine.

Worst it will do is burn out all your bearings because the oil is too thin to lubricate properly...

Don't drive with it.

I wouldn't hesistate to use it in any of my engines, turbo or nonturbo.

[Heavensheros]

ive heard of people who drive 3k miles with seafoam and no ill efect, i drove mine at highway speeds for 20 mintes to get it working everywhere then changed my oil