Seafoam?

Which way into the PCV valve! :) One way is into intake, other way is into crank case. You do not want to dump much of it into the crank case!
 
Better to go thru the brake booster hose into the intake....and if you dumped it into the crankcase, ya better change your oil - NOW!
 
Do you guys take me for an idiot, geesh. It was sucked in throught the pcv and the car bogged so i highly doubt it ended up in the crank case. Same way i did it on the marquis.
 
sbcaprice305 said:
Do you guys take me for an idiot, geesh. It was sucked in throught the pcv and the car bogged so i highly doubt it ended up in the crank case. Same way i did it on the marquis.
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No...just making sure. No one wants to see anyone kill their engine.
 
logres said:
No...just making sure. No one wants to see anyone kill their engine.
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exactly!

I dont think he has seen some of the posts where an individual had followed "implied" directions and then gets mad because they did something wrong.

Do we think hes an "idiot", NO... but we wanted to make damned sure you didn't "do something st00pid.
 
i didnt put that much into the oil fill, but yea immediately had my oil changed, thats why i planned to do it right around the time i was due. they said my oil wasnt even that dirty.

have you ever seen the youtube about seafoam where they light it on fire and it just gets real smokey?

when i did it through the pcv, did it get through the double throttle bodies?

i bet adding two cans to the gas seems like the best way to do it. lol was it on here that the marine mechanic never heard of it?

ive been meaning to take off the intake and make sure its not sticking... seamfoam does a good job - but theres only so much you can do when theres gunk holding your low rpm throttle body stuck shut.
 
XLRVIII said:
I also unplug the IMRC vacuum reference so they spring "open" and allow the seafoam to enter both ports and I generally run two cans thru to make sure I get good complete saturation.. and my personal preference is to "not bog the motor til it dies".

.
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Where is that vacuum hose located?
 
I think this is the line they are talking about. Disconnect from the tube going to the booster and stick a smaller hose in the fat one and suck the Seafoam into the intake.
 

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I disconnect and plug the small line at the same Tee fitting and attach a section of small tubing to the Tee fitting and use it to suck in the Seafoam. I figure the best place is smack in the middle of the intake plenum. Same place, different method.
 
sal329 said:
Thanks for the pic
I was curious of the line to disconnect so the IMRC stays open
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look next to the throttle body, you'll see a vacuum diaphram for each of the IMRC runners.

Both those lines come together and share the same vacuum source that I "cant put my finger on".. but once you see the two diaphrams you should be able to follow the vacuum line "back to the vacuum source".

Pull the line from the vacuum source and the IMRCs will stay open.

hope this helps.
 
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