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Old 02-27-2012, 12:02 PM   #1
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Seafoam

Who has used seafoam before? Please tell us which engine you used it on and if it helped and your 2 cents about it.

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Old 02-27-2012, 12:14 PM   #2
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I use it on my Jeep and trucks. I'll put some in the oil before an oil change, say, 200 or so miles. There are other things you can put in that does the same though. I've added it to my gas and run it through the engine by removing the brake booster vacuum line.

I've never seen any improvements in anything after using it, I really wouldn't expect to either. If you can get it on sale, hey, go for it. But again, there are cheaper things that can do all the above, and in some cases, do it better.


There are several threads about it here on this site and elsewhere, you can get some feedback by doing a search. Most of it is positive.

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Old 02-27-2012, 12:16 PM   #3
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but the youtube videos that i saw on this stuff that people used on jeeps they are jumping up and down and saying they feel the difference.
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Old 02-27-2012, 12:38 PM   #4
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On a well maintained engine, you're not going to feel a difference because it is well maintained. Nothing outside modifications will change that. However on an engine that has been neglected, yes you will feel improvements.

However, I have and continue to use Seafoam on everything from my Jeep to whatever else I have around that uses gas. I started with it on my boat years ago and been a believer in the product ever since.
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Old 02-27-2012, 05:08 PM   #5
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Where do we get this stuff??
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Old 02-27-2012, 05:24 PM   #6
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Originally Posted by VeroJoe View Post
Where do we get this stuff??

It is available at almost all autoparts stores, etc...

I use it anytime when I clean up & fix neglected motors. I also use it on a regular basis to keep my motors clean. Does a really good job cleaning out intake & exhaust ports on the heads & manifolds.
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Old 02-27-2012, 05:29 PM   #7
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it does a good job cleaning all the "gunk" and build up inside you engine. that being said, if your engines got more than 150k miles, that "gunk" may be the only thing keeping it from pouring oil everywhere. just an FYI. and don't expect miracles in a can.
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Old 02-27-2012, 05:33 PM   #8
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and don't expect miracles in a can.
GL
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Old 02-27-2012, 05:47 PM   #9
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it does a good job cleaning all the "gunk" and build up inside you engine. that being said, if your engines got more than 150k miles, that "gunk" may be the only thing keeping it from pouring oil everywhere. just an FYI. and don't expect miracles in a can.
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This is the reason I havent tried it. I have herd some stories with seafoam making things worse.
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Old 02-27-2012, 06:35 PM   #10
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This is the reason I havent tried it. I have herd some stories with seafoam making things worse.
The way I look at it is. If I have enough money to rebuild the engine then I would do it. Because,who knows it may need it afterwords If I don't have the money, and I just want to "try" it out. Go get fuel injector cleaner.
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Old 02-27-2012, 07:11 PM   #11
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I had oil pressure issues (10 to 15 psi at 50mph) so I replaced the sending unit on the block and noticed it was gunned up and the elbow was full of junk. About a week after running with a new sending unit and no change in oil pressure, I dumped sea foam in the crank case and ran it for about 10 minutes then changed the oil. I didn't want to clean it out too much because I didn't want a bunch of oil leaks. After the seafoam I did get about a 15 psi increase in oil pressure.
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Old 02-28-2012, 09:02 PM   #12
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I had oil pressure issues (10 to 15 psi at 50mph) so I replaced the sending unit on the block and noticed it was gunned up and the elbow was full of junk. About a week after running with a new sending unit and no change in oil pressure, I dumped sea foam in the crank case and ran it for about 10 minutes then changed the oil. I didn't want to clean it out too much because I didn't want a bunch of oil leaks. After the seafoam I did get about a 15 psi increase in oil pressure.
That's why people do it. But it's a gamble at best. glad it worked out for you.
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Old 02-29-2012, 09:31 AM   #13
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So, the proper procedure for seafoam is to put it in just before an oil change, run it for a bit and then dump it and change the oil? You wouldn't want to leave it in for a while because it may cause damage to internal components?
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Old 03-02-2012, 12:24 PM   #14
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So, the proper procedure for seafoam is to put it in just before an oil change, run it for a bit and then dump it and change the oil? You wouldn't want to leave it in for a while because it may cause damage to internal components?
Yes, Here is what I do, I buy a can of it right before it's time to change the oil. I fill the jeep up with gas and put 1/3 of the can in with the gas. I take it home and then apply 1/3 of the can to the engine through the brake booster vacuum line. gotta watch this, that sh!ts cold and can cause vapor lock.
Once done, I let the engine cool down, most likely the next morning before going anywhere I add the rest of it to the oil. Then I drive that tank out over a week or so, I might add some more gas, it depends, but usually I run it with the oil for one tank of gas, and then I change the oil. Making sure to change the oil when the engine is good and warmed up so all the sludge is liquified and comes out.
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Old 03-02-2012, 04:52 PM   #15
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another good way is to let the vacuum line suck it in to the combustion chambers and then shut the engine down really quickly and let it sit for about 5 minutes to sit in the chamber. then start it back up and let the rest be sucked into the engine. its going to smoke like a wet brush fire or someone burning tires but it should make it idle a bit smoother and kill all the mosquitos in the neighborhood.

i have used it in
ford trucks and vans 5.0
dodge trucks 5.9
mazda pick ups 2.3
bmw 3 series 1.8, 2.5, 2.7
jeep grand cherokee 4.0
jeep cherokee 4.0
jeep wranglers 4.0, 4.2
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Old 03-02-2012, 05:57 PM   #16
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I have used seafoam on 2 third gen camaros, 1 4th gen trans am, and 1 4.0 Wrangler I have had in the past. All seemed to be neglected when I bought them. All seemed to improve throttle response. However like mentioned above, all of these were "toys". I would not do this on a daily driver or a vehicle that you aren't ready to tear apart if needed after.
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Old 03-02-2012, 06:14 PM   #17
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The SeaFoam throttlebody cleaner is really good too. I sprayed into all three of my vehicles, all Jeeps 2.5l , 4.0l and 4.7l. I run a can in the tank and suck a can down the intake via brake booster line. I smokes like heck but it does clean out your carbon. Best results seem to be if you let it sit after ingesting the SeaFoam. The next day is the best. You start it up the next morning after sitting and your neibours may call the fire department.
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Old 03-02-2012, 06:31 PM   #18
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If there is excessive carbon buildup in a motor, especially in the combustion chamber, and the vehicle has high NoX, Seafoam works wonders on blowing that crap off and helping emissions (AKA: Smog Check).

I would only put it in the engine oil before an oil chage if I was going to idle it for a while before the oil change. that stuff has a habit of quickly breaking down the oil causing loss of lubricity.

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