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Should I seafoam or not?

 
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Old 07-27-2015, 10:32 AM
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Should I seafoam or not?

Alright so, I have been thinking of seafoaming for a long time now. I have read on other forums that your not supposed to seafoam after 150k. My lude has nearly 151,xxx. Some people said that they blew their head gasket after seafoaming at 157k, others have had no problems. They say that if you seafoam after 150k then seafoam would breakup filled in gaps in seals or gaskets and loose pressure or vaccum. Just FYI, I do not plan on changing my head gasket anytime soon. So should I seafoam or not? Would the after seafoam performance be worth the risk?
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Old 07-27-2015, 10:10 PM
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Re: Should I seafoam or not?

Tried seafoam last week for the first time at 178,000 km. Overall it did clean up a decent amount of carbon buildup on the piston heads (checked before and after), just from spraying it into the TB. No issue with the head gasket or Cat afterwards, but follow the directions and you should be fine as long as the engine isn't held together by carbon...
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Old 07-27-2015, 10:16 PM
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Re: Should I seafoam or not?

Whoever said they blew their head gasket as a result of using Seafoam is a jackass and did something way wrong. You have 3 options with the Seafoam;

1) Gas tank- Pretty self explanatory. Supposedly will de-gunk fuel injectors, lines, and other fuel-related corridors. Can also help loosen carbon buildup on valves and in combustion chamber but with how diluted the fuel in the take will make it, valve cleansing will not be very effective with this method.

2) Crankcase- Applying it directly into your oil will supposedly loosen any sludge and other solidified build-up which, sure, in a poorly maintained motor, could cause a leak. However, would you rather have a leaking seal or a bunch of **** in the motor, waiting to work itself loose and get sucked up the oil strainer? That might not even be possible, but, that's what Seafoam is supposed to do if you put it in with your engine oil. One of the things I have not confirmed with this method is the requirement to change oil. When I've performed it this way, I drive for no more than 50 miles and change the oil. I've heard other say they just put some in at the oil change and drive it til the next oil change. I figure if it's gonna knock something loose, it won't take too long, and I don't want it floating around in there.

3) Brake Booster- My favorite method. Suck a LITTLE at a time through the brake booster hose that's connected to the IM, and then shut the car off for a few minutes to let it work its magic. This will direct the Seafoam through the IM (obviously), into the combustion chamber, and out the exhaust. In addition to loosening the oil and crap that can get trapped in the IM as a result of the PCV and other valve cover ventilation outlet, it can also help clear out carbon buildup on the valves, and pistons, as well as clean and de-clog your O2 sensor(s) and catalytic converter. HOWEVER, if you suck in too much, it will be like getting an air intake full of water and could seriously damage your internals. So you have to be careful with doing it this way, or, yeah, you could really screw up some stuff.
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Old 07-27-2015, 10:23 PM
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Re: Should I seafoam or not?

I did the crank case way. Cleaned up my engine nicely without any adverse effects. I did half the reccomeded dose just before an oil change, then repeated with fresh oil, then dumped it, added fresh, ran that for 15 minutes and changed that oil to Defy for it's zinc quantity that mimics the SG/SH grade oils our cars had when new.

Edit:
Unless you really need to, you should not. Mine had a lot of yellow goo from a bunch of short motor run cycles while chasing some hard to start/idle issues.
Your best bet is to add seafoam to your tank full of V-Power fuel and take the ole gal out on the highway for a couple hours...(an hour each way) where your engine runs a steady 3k - 3500 rpms...it'll burn out all kinds of build up that way, boil any water in the exhaust pipe and do that car a world of good.
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Old 07-29-2015, 12:07 AM
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Re: Should I seafoam or not?

I have done the seafoam treatment by pouring some into sparkplug holes+soaking, also addet to intake stream through the pcv, also added it to engine oil, and combined variations of these methods. It is a good product and cant say I can speak poor of it if done responcibly.

That being said, I have been using berryman product for 5+ years at work. I have used it to solve idle problems, sticking throttles, leaking valves, misfires, ect. I don't really like plugging products, but if it works, it works.

Berryman® B-12 Chemtool® Professional 3-Step Fuel System Maintenance Kit | Berryman Products
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Old 01-14-2016, 01:31 AM
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Re: Should I seafoam or not?

Hey guys my lude does not pass inspection. I might finally do this, this weekend after cleaning out EGR ports. My lude has 152k, Can yall just verify my steps, make sure I'm not forgetting anything?

-1/3 in gas tank (I have a little less than half tank right now)
-1/3 in crankcase (where we refill oil)
-1/3 in PCV or Brake Booster line (pour in slowly while revving @ 2k rpms) & then wait 10-15 minutes

The do a couple revs, go for a 10-15 highway drive, return home, then:
-Oil change
-Change Spark Plugs
-(I'll probably be replacing PCV valve while I'm at it, it relatively inexpensive anyway)
-Go for a spin & get gas.

I should be fine right?
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Old 01-14-2016, 01:56 AM
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Re: Should I seafoam or not?

Quote:
Originally Posted by emathew View Post
Hey guys my lude does not pass inspection. I might finally do this, this weekend after cleaning out EGR ports. My lude has 152k, Can yall just verify my steps, make sure I'm not forgetting anything?

-1/3 in gas tank (I have a little less than half tank right now)
-1/3 in crankcase (where we refill oil)
-1/3 in PCV or Brake Booster line (pour in slowly while revving @ 2k rpms) & then wait 10-15 minutes

The do a couple revs, go for a 10-15 highway drive, return home, then:
-Oil change
-Change Spark Plugs
-(I'll probably be replacing PCV valve while I'm at it, it relatively inexpensive anyway)
-Go for a spin & get gas.

I should be fine right?


Question, you said you are having trouble passing emissions. Where are you located? What is your Hc ppm and Co% both at idle and cruise RPM? This treatment is not a correction for emission faults.
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Old 01-14-2016, 08:03 AM
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Re: Should I seafoam or not?

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Originally Posted by luda8890 View Post
Question, you said you are having trouble passing emissions. Where are you located? What is your Hc ppm and Co% both at idle and cruise RPM? This treatment is not a correction for emission faults.
Texas, lude throwing EGR & Cat codes, not sure about the values.
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Old 01-14-2016, 03:05 PM
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Re: Should I seafoam or not?

Mine failed in 2011, had to change the CAT
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Old 01-16-2016, 01:52 AM
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Re: Should I seafoam or not?

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Originally Posted by emathew View Post
Texas, lude throwing EGR & Cat codes, not sure about the values.
Okay. I never saw a year so I asked for the values, but I see you are testing OBD2, so we go a different route. I am assuming your cat code code is "catalyst efficiency below threshold", 99.4% this is because the catalyst has failed or is beginning to fail and needs replacement. One thing to keep in mind, cats don't just die, they are murdered. So replacing the cat will likely pass you now, and probably later too, but at some point you should look into how it was murdered. It is usually a fueling issue, misfire issue, bad HO2 sensors, burning oil, or multiple events of rapid heating and cooling (erratic/aggressive driving).

Your EGR code, is it an insufficient lift, or insufficient flow? If it is insufficient lift, replace the valve. If it is insufficient flow, replace the valve and clean the EGR passages. In your intake manifold under the fuel rail you will see either some brass plugs, or spots of welding. If you have the brass plugs, drill a small hole in the center of the plugs, insert a screw, and use a slide hammer to remove the plugs. under the plugs is the EGR passage and there are small holes going into each intake runner, clean out these holes and install new plugs. If you have the weld spots it is more tricky. Grind the spots flat, center punch them in the center, use a 15/32 in drill bit and drill through the weld just till you reach the EGR passage. Now clean the ports as before and install 1/2 in plugs onto the holes you drilled. When installing the plugs in either scenario, only install the plugs until flush as you don't want to plug the passages.
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