rpogorek

Anyone want to share their experience using Seafoam cleaner? I've got a MY01 that I am refurbishing, and I want to see how people's experiences with this cleaner has been. This is a 107K engine, so it certainly could use some good cleaning, and I don't want to rip the whole thing apart.

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2001 Forester S

Real Lyte

Funny enough, my mech buddies say not to touch that stuff, they recommend ATF if you do try and do something like that.

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05 2.5RS (mine)
'02 Civic LX
They live on.

jgrote

I put Seafoam trans cleaner in my 04 to try to loosen up a stuck transfer solenoid, and it worked. Then I had the fluid changed (required after running flush through) and now I need a new trans. Be careful cleaning an old engine. You will find oil leaks and blowby you didn't know you had.

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04 X a/t
00 L a/t w/ 200K!

rpogorek

Thread Starter

Thanks for the warnings! I guess the old phrase is true: if it ain't broke, don't fix it.

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2001 Forester S

jgrote

It's funny I was just saying that to the wife. I want to do a swap in my car, but it runs too good. 150k miles and strong as ever. I have to remind myself sometimes not to go looking for problems.

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04 X a/t
00 L a/t w/ 200K!

JBX

I've used Seafoam gasoline additive all along with no issues on my work vehicle and the UOA is fine after 175,000 miles. Adding any cleaner after accumulating lots of internal gunk could be a problem however.

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'10 Forester 2.5X Premium 4EAT
Newport Blue Pearl
Super Double Secret Lifetime Premium Member!

Real Lyte

Yeah I forgot to mention that my Saab had no HG when I bought it, then I tried Seafoam in the crankcase and it sprung multiple HG leaks. This stuff luckily fixed it: http://www.midwayautosupply.com/imag...KNW-401232.jpg

As a gasoline additive it is fine, but I use Chemtool's B12, superior cleaner for gasoline additive, and only 3 bucks: http://www.allfordmustangs.com/forum...6_pri_larg.jpg

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05 2.5RS (mine)
'02 Civic LX
They live on.

Peaty

http://www.scoobymods.com/idle-speed...09.html?t=3909

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Peaty

2010 Legacy 3.6 R - Limited

2006 B9 Tribeca - Limited

1999 Miata - MX5

TC2000

Ive used Seafoam before in other vehicles and it works good at cleaning out carbon build up.

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2009 Forester X Premium 4EAT

Respect The Wagon!

flstffxe

Add me to that list of people who will say atf. Little hard on the cats now days but

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His - 08 X Prem 5mt
Hers - 08 X 4EAT
Subaru oil filter comparison

Thermo1223

Marvels Mystery Oil...which isn't really that much of a mystery as a it contains light naphtha oil but it cleans very well and is safe.

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'09 Forester XT - '04 VW Jettawagon TDI 5A

funkymonkey1002

Seafoam is great through the intake. Its basically the same as any other upper engine cleaner or ATF. I however do not ever use any oil or fuel additives (aside from techron).

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04FXT/4EAT Snorkus Free, WRX suspension, sti up, prodrive ypipe, rota/falken/racingbrake/hawk

Benito Malito

I prefer this but that's all on FWD SR20s.

Seafoam should not be run through the catalyst. It would be a problem on most FXTs I guess.

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2004 Foz XT Pr. 1992 VVL SE-R

Real Lyte

I think in the end we all do what we want and there really isn't alot of objectiveness behind it. I personally buy what's cheap (B12 usually for gas) and effective, ATF seems to be popular among mechs but yes it is hard on the catcons, but whatev lol.

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05 2.5RS (mine)
'02 Civic LX
They live on.

rpogorek

Thread Starter

I really do appreciate all of the different opinions and product suggestions. I'm going to do some work on the "Green Monster" (yes, I am a Red Sox fan) tomorrow and will post product purchase and results...

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2001 Forester S