How many miles should I run my engine with Seafoam before I change the oil? I am going to use 0W30 German Castrol Syntec for 7,500 miles, could I go longer?
Seafoam is a very low viscosity solvent that will thin the oil if the whole can is dumped in.quote:
Has anyone proven that seafoam will thin out oil, evaporate, redeposit sludge, or create/act like sandpaper? NOPE!
If the cleaner you put in is about 2-4 cSt, overdosing would thin the host oil, most definately.quote:
I wonder if the thinning occurs if you overdose.
It is the sponsors who give us the opportunity to submit opinions and or facts, and present alternatives to the products discussed.quote:
Why are we starting anti-seafoam rumours and always trying to recommend a sponsor over OTC products?
Heat is a way to activate and melt sludge and other polymerization products.quote:
IF allowed to reach normal operating temp, which of course would be an improper way to use those products anyway.
quote:
Has anyone proven that seafoam will thin out oil, evaporate, redeposit sludge, or create/act like sandpaper? NOPE!
In quantities large enough to do serious cleaning in a crankcase, seafoam probably puts oil closer to a 5 weight, or less. If we know it has an effect on the oil, that is less than desireable, why should we consider it as an option- why not just use something that cleans better and is safer for the engine to begin with.quote:
Who says seafoam will thin any oil below a 20wt? Why are we starting anti-seafoam rumours and always trying to recommend a sponsor over OTC products?
Thankyou Mola for filling in the blanks here... I would have thought that my obervations about adding solvents to oil would be self explanitory and obvious for readers... I should have elaborated further.quote:
Seafoam is a very low viscosity solvent that will thin the oil if the whole can is dumped in.
I think what mdocod is saying as well as myself is that thinning an oil below a 20 weight will cause the lubricating film to thin and shear such that the coefficient of friction will increase dramtically, causing increased wear.
I was interested in seafoam, because I had read many good results, such as yours, especially in the isuzu comunity... Unfortunatally, the seafoam did not aleviate my ticking (caused by contamination). And made no difference in oil consumption or engine performance/smoothness.quote:
I've used Seafoam on my 99 Rodeo for two consecutive oil changes and was pleased with the results. I put it in the crankcase and drove around for a few miles and drained. My oil consumption went down and engine noise disapeared. I am no expert on noises and I am not sure what it was, but when I bought the car it made a ticking/clicking noise at highway speeds. I first thought it was comming from the dash area, but later realised it was from the engine. The rodeo has made no noises since.