Finally did the seafoam treatment... :-)

[rvanengen]

Car was taking about 1.5 to 2.0 seconds of cranking to get started with a bit of a skip at idle, so I finally pulled a vacuum line off the front and one on the rear...poured about 1/3 of a can in each, and then the remainder down the throttle body. Let the car sit for about 10 minutes and fired it up...

A couple cars stopped to check to see if my car was on fire due to the HUGE clouds of smoke (white and blackish). Took it out for the requested "spirited" drive and it now starts almost immediately and runs a LOT smoother at idle. It "seems" a bit more responsive driving, but that could just be wishful thinking.

My son really enjoyed the drive...and the smoke! :-)

[Erdrick]

I am guessing that this was done for the Mercedez? The Mercury seems a bit young to get the seafoam treatment. Glad to hear that it worked for you though.

[rvanengen]

Ooops...yup...it was the old 190...although it only has 107k on the clock so far...but I am guessing that all the sitting and short drives gave it a bit of carbon and gunk buildup! Wish I had done this several months ago, but it will be interesting to see if there is any difference in FE on the next tank...don't want to compare on this tank since it was driven VERY spiritedly for a while. Fun, yes...FE, no.

[unstable bob]

The schmokin' is the best part of the whole deal!

[VetteOwner]

hehe yea. wonderful stuff IMO

[kamesama980]

yep, done it a few times. always helps.

[ma4t]

I'm at about 90k in my Mazda. I'm looking into this now. Sounds like fun!

M

[kamesama980]

Originally Posted by ma4t

I'm at about 90k in my Mazda. I'm looking into this now. Sounds like fun!

M

Look into the manifold. if it's gummy and nasty, go ahead. if it's cleanish, don't worry too much about it. IMO the best way to introduce it if you don't want it soaking the valve seals (which BTW you will have to do more than once because not all the valves will close to soak at once) is find either the EGR or charcoal canister vacuum hoses, they should be routed to the throttle plate and stick those into the bottle of seafoam so A. you have to open the throttle plate and B. vacuum sucks it in and airflow past the throttle plate pretty much atomizes and scatters the seafoam evenly. this is a lot easier in older engines that aren't covered in plastic and all the hoses are buried/hidden

[VetteOwner]

or usualyl the big brake booster vacum lien is fed off the manifold

[kamesama980]

Originally Posted by VetteOwner

or usualyl the big brake booster vacum lien is fed off the manifold

Depends on the engine. I like the vacuum hose I mentioned above because it's centrally located and has LOTS of air velocity to scatter and atomize. If I dumped it in my brake booster hose, I'd get it all in cylinder 6 and some in 5. like I said, best place totally depends on the engine.

Notice my beautifully designed intake manifold...
http://s29.photobucket.com/albums/c2...t=RIMG0014.jpg