Has anyone ever used Sea foam in their truck? Any good results, what was the outcome?

 

I just ran some through my 3.7l V6 when she rolled 100,000 miles. It cleaned up the rough idle and i saw about 2 mpg actual gain from before.

 

Thanks for commenting. Did you place it in the Oil crank case, or the gas tank?

 

You can follow the direction on the can. Although we have several threads on this here on the board, there are tons of helpful vids on Youtube that may also help

 

SeaFoam has some really good cleaning properties as well as being a fuel stabilizer, but you gotta watch over-doing it. It contains Isopropyl Alcohol which is not good with rubber/plastic lines and seals, long term...

 

I've heard stories about it doing bad things on one/two cycle engines but some people swear by that or that marvel mystery oil stuff.

 

I plan to Sea Foam via the brake booster line before changing my plugs (and oil). I'm at 73k miles so it's about time. It's not something I'd do a lot but it's certainly worthwhile to do once every 4-5 years.

 

Now I don't use it in my truck or Jeep, mainly because I've used Lucas' Tune Up in a Bottle for years (it also contains the same alcohol), but I do use Seafoam in all of my small engines in the fuel regularly at a rate of 1 oz. per gallon. Everything from outboards to my ATV to my generators, chain saws and weed eaters.
I do this because these are infrequent use things and gas can tend to sit in them for a while. I've been doing this practice for years and I have a weed wacker that I still use everytime I cut the grass and I bought it in 1996.
I have had some instances where fuel lines have deteriorated on me. Dunno if it was the Seafoam or just time, but I buy a 6' roll of fuel line for $4 which is a lot cheaper than a new engine, LOL..

 

Hammer, my family mechanic is about 70 and has been doing it since he was a kid. He mainly does small stuff and boat engines, atvs, etc. He says that if you use it in the oil of those smaller engines it can actually clean it too well and ruin your seals. I dunno, he's great and his advice/maintenance has kept a few family vehicles in almost perfect running condition with one at 270k and the other over 330k.

He actually told me not to use it in my new truck but it's okay for the older ones. He loves that gumout stuff and is one of those guys who says run a tank of premium every couple thousand miles. I dunno about all those additives though, I'm sure they arnt tightly regulated

 

I have used Seafoam for several years now. I put one per tank every 6,000 miles. I have never had any problems doing that. I have had my van three years now with no problems, I have had my Ram 1 1/2 years now and no problems either. I think over doing anything can be harmful. So I have tried to be sensible about it. This is my two cents.