Barthmobilers, yesterday I got an email from Advance auto with a sale on shell rotella with a coupon with 30% off making the 5 gallon for $48. Sign up for their specials. Great savings at times. Also got 3 cans of sea foam for $5. Sky

Thanks for the heads up! Make sure it's Rotella T. Rotella is for NA engines (Mainly DD x53, x71, x92, etc.)

Good price on SeaFoam.

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Originally posted by sky:
Also got 3 cans of sea foam for $5. Sky

WOW! That is a stunning price on a great product. I have had great results in all my small engines with it.

What's sea foam?

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Originally posted by Richard_Muise:
What's sea foam?

It is advertised as a gas or oil cleaner-upper and gas stabilizer.

I was introduced to it when my Honda generator was cranky and would only run with partial choke. A camping neighbor said the idle jet was clogged from sitting. He put of Seafoam in my gas. Within a few minutes, it started to run better, and was running perfectly in perhaps 20 minutes.

I have seen this repeated several times with my own stuff and others. Now, if my memory does not fail me, I put some in the last tank of any small motor before I store it. They start better later.

It is also touted as an oil cleaner-upper, but I have not used it for that, so no first-hand info. I think I would use it if I had a lifter noise or suspected coked oil rings. Modern oils seem to keep engines pretty clean.

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Ok, where is RUSTY the oil guy? Should small engines always use single viscosity oil or is multi-viscosity acceptable???

Viscosity requirements are part of the design specs. Always use the manufacturer's recommended.

Rusty, it was rotella t 15w 40 hd. Bill, had the same thing on an outboard, marina wanted $300 to repair, put one can in 6 gallon of fuel before i ran out of fuel, it cleared up and ran great. Sky

Techron (By Chevron) is also an excellent fuel system cleaner.