Seafoam & sparkplugs

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97benchmark

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First post here. I answered a post on another site (don't know if it is ok to mention others here, let me know please) about using seafoam. Blackicelsc recommended changing the plugs after a seafoam treatment. Not that I doubt what he says, he always gives excellent suggestions, but I am wondering what the reason could be. If I did it right, you will see a pic of my plugs. I just replaced the original plugs, 92k and 1000 miles after seafoam. The car ran fine before changing plugs and can tell no difference afterwards, but I did notice a smoother idle after seafoam.

sp3.JPG
 
I add the Seafoam to my gas once a month to keep the injectors clean. But I don't change the plugs monthly !!! No need.
 
Cubster said:
I add the Seafoam to my gas once a month to keep the injectors clean. But I don't change the plugs monthly !!! No need.
Click to expand...

it doesnt hurt
 
I also add seafoam to the gas once and a while. You can tell by the crud on plugs that I have the typical gen 2 problem, clean engine=water in plug wells. That is what compressors are for!
 
MrWilson said:
it doesnt hurt
Click to expand...

If thats the case, you have more money than brains, on a brighter note, thank you for previewing your threads and or replies. Your spelling has improved markedly !!!!!!!
 
If you just changed the plugs, then you did the Seafoam treatment, I'd say that it's fine. But next time you change the plugs, do the Seafoam treatment before you change the plugs just to be on the safe side.
 
I know this might sound like a stupid question... but what is the seafoam treatment?
 
Ah yes... The Seafoam... if you haven't alraedy done it, do it tomorrow!

It basically cleans out your engine of carbon and junk deposits... You can tell how "dirty" your engine is by how big and white the cloud is after you turn on your car!

I take half a can of seafoam in a piece of old tupperware, lay it on the engine and with my left hand guide the PCV valve into the liquid and with my right hand pull the throttle calbe when it starts to die until all the Seafoam is gone...Turn off the car for 10-15 minutes, start it back up, and if this is the first time you've done it, a LARGE white cloud will pour out your tail pipe(s)
 
Looked like a 3 alarm fire was behind my car thats how much smoke was coming out but boy what a difference it made on drivabilty and mileage. like night and day.
 
Seafoam is OK. I've never used it in the fuel tank or oil, but I've used the "suck it up through a vacuum hose" method. Doesn't work half as well as GM Top Engine cleaner though.
 
I used sea foam through the pcv valve about 1 week ago and not much happened. I did what was described above.

I added half the can to an old sandwich tupperware, had my girlfriend lightly press the gas pedal, and used the pcv valve to suck up the contents of the tupperware. The car stalled out of course once she let go of the gas, so I turned off the ignition by removing the keys and let it sit for about 5 mins. The car had difficulty restarting, but after 3 attempts of cranking for about 5-6 full seconds, and pumping the gas pedal, I got it started. I let the car idle in park for about 3 mins, nothing happened. There was a little bit of smoke, but nothing more than what I would consider "early morning condensation". There wasn't any real noticible difference in idling smoothness or acceleration/performance.

Then about 3 days ago, my EGR valve set the "service engine soon" light off. I had just replaced it about 2 months ago.

So I tried it again last night and the results were much different.

I followed the same procedure, but this time after restarting the car, I held the gas pedal down to about 3000-3200 rpm. Tons of billowing smoke. I wasn't expecting the volume/thickness of smoke that came out. I live in a four-story apartment/condo complex, and anyone with their sliding doors opened last night probably passed out in their home.

I took it highway driving for about 10-15 miles afterward and was happily suprised with the performance difference. The engine had a different sound, and there was no longer any bumping/hestitation in the gas pedal during heavy acceleration.

The bottle also stated that Sea Foam could be added to the crank case (oil) so I added about 5 oz to the oil. Anyone know if its ok to leave within the oil, or if you're supposed to change the oil fairly soon after adding it?
 
Yea, i also took the plunge. I definatly noticed an increase in performance, and....i also am getting .5 mpg better.
 
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