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Sea Foam in crankcase

5K views 19 replies 12 participants last post by  adventure nurse 
#1 ·
Has anyone put Seafoam in their crankcase? I have used it in my Silverado for years and it works wonders. I have used it in the fuel tank in my DL1000, but not the crankcase... Any thoughts? If so would you have to use less oil to keep the correct amount of fluid?
 
#4 ·
Why would you do this and what are some of the wonders it has worked in your Silverado?
 
#5 ·
It works well in the fuel as we all know, but in my Chevy crankcase it lubes all the seals and lifters. I drive the truck really hard and have over 200k on it. Ive been using sea foam in it since about 50k and it just keeps running strong. It is not a detergent so it doesn't take away any deposites, but it works with the oil to keep the engine running smooth.
 
#8 ·
I've never done this, but the SeaFoam web site says it is beneficial... granted, a biased opinion but it apparently is a viable thing to do if one so wishes.

Cleaning Engine Sludge From the Crank Case
Previous Page

To clean built-up oil residues and contamination from the crank case, add 1½ oz. Sea Foam to each quart of engine oil. Sea Foam will slowly re-liquefy residues and suspend contaminants for easy removal. Monitor oil for color and clarity and change oil and replace filter when oil looks dirty.
Cleaning Engine Sludge From the Crank Case | Sea Foam Sales Company
 
#16 ·
#15 ·
Are we talking SeaFoam or Apple Cider Vinegar here?
 
#11 ·
Once upon a time, there was a solution in search of a problem.
 
#12 ·
I've use it as well and it's one of the few fuel additives that I believe in. I do the pull the brake vacuum line and do the smoky, piss off the neighborhood routine once a year in my 150k mile f150. I'll get an extra mpg or two for the next few months. I have never put it in the oil.

Bike crank cases are different from cars. There are clutches with disks that can be affected by things like energy conserving oils, so I am hesitant to try anything other than (insert pet oil brand name here) oil.

Having said that, you should totally try it. Just report back with your findings. ;)


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#13 ·
it lubes all the seals and lifters......It is not a detergent so it doesn't take away any deposits, but it works with the oil to keep the engine running smooth.
Seafoam is not a lube and does not work with oil. It is a strong solvent that may work to dissolve the gunk holding sludge particles together and allow the sludge particles to be drained out at your next oil change. Your engine has run 200,000 miles despite the Seafoam.

Do not use any additive unless there is a specific need, and then use the correct additive for that particular problem. The only time I'd use any Seafoam type product in a motorcycle is if I could see a build up of sludge, and that would probably come from someone who never changed their oil, or if a contaminating product had been used where they should have used oil. I'd use the Seafoam at idle for a few minutes then drain it away.
 
#18 ·
Puzzled here ... what problem are we trying to cure or prevent? I haven't seen any documentation or evidence of an oil sludge issue. Is there one? I mean a truly significant reason for concern? Just because people use additives and then have no problems doesn't mean the additives did anything.

And I'm sorry if this comes across as negative. I just get concerned that we might spook folks who'd rather just ride into losing sleep over phantom problems. Your bike is really a tough machine. Enjoy it.

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#20 ·
I tend to agree. I HAVE used it to smoke the neighborhood in my cars...a subsequent top end rebuild showed clean valves. BUT...in my bikes and cars..I'd still rather have oil on my cylinder walls than a strong solvent for lubrication. We no longer have this need. Old timey oils had no detergents in them either...hence the need- back when tv's had knobs and only buck rogers had a cell phone

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