4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

SEAFOAM

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Old 05-04-2007, 09:22 PM
  #11  
str8wick3d
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Default RE: SEAFOAM

heres my video of seamfoam
http://vids.myspace.com/index.cfm?fu...oid=2022300684

to use it, shut of your car... unplug the vacum hose leading to your IAC from your intake, and pour a little in.. have a buddie start the car and keep it alive *keeping foot on gas* while you pour the magic foam in, your car will start to rev by itself if done correctly.. do this until the whole bottle is empty.. This stuf is great IMO.
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Old 05-05-2007, 01:54 PM
  #12  
rob.d
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Default RE: SEAFOAM

Seafoam:


Seafoam Deep Creep:


okay now that you all see what seafoam is, let's talk about what it's used for:

Uses of Seafoam

i would first like to state for the record that seafoam is NOT a power adder. all seafoam does is clean out the gunk inside your engine and injectors. this will do nothing more than restore any horsepower/fuel economy you have lost due to years of dirt and grime inside your engine. any power you pick up along the way is because it has just been supressed by the filthy engine and is now free again.

if you are losing power and mpg due to carbon buildup, if you are experiencing pinging and if you're having trouble passing emissions test, seafoam may be your answer (yes, seafoam will actually reduce your emissions if carbon buildup is causing dirty exhaust fumes!). feeling the pinch at the pump lately? well, seafoam can be used to pick up a few extra mpg you have lost over the years and reduce or elimiate your engine ping by cleaning out your cylinders!

What You Need to Seafoam Your Engine:

in order to maximize your engine's fuel economy and performance, you should do a full engine treatment. in order to do so, you will need a few things:

- 2 cans of seafoam (1st picture above)
- 1 can of seafoam deep creep (2nd picture above)
- flat head screwdriver
- pliers
- 1 long, skinny funnel

okay, now that you have all the necessary tools to complete the job, let's talk about how to use seafoam:

How To Seafoam Your Car:

Part One: Injector Cleaning

this is the easiest part of the process. simply drive to the gas station and completely fill up your tank withcorrect octane gasoline as usual. take 1 of the 2 cans of seafoam in the requirements above. this can of seafoam will be poured directly into your gas tank. now, seafoam makes a great product but they didn't think too hard when they designed their can. you need a funnel in order to dump it into your gas tank. do not try to be cool and try and beat gravity by jamming the can into your gas tank. i tried that. all i got was a car that smelled like gas and wasted seafoam on the ground. take the long skinny funnel, put it in your gas tank, shake the can of seafoam up and pour the entire can of seafoam into the tank. then, take your car for a nice ride so the seafoam swishes and mixes in your gas tank. the seafoam will clean out your injectors nicely. try and run this tank pretty low before filling up so you don't dilute the mixture with more gasoline. this way, you get the maximum cleaning power of seafoam.

Part Two: Cleaning Your Oil System

if your carrequire 5.5 quarts of oil. seafoam is to be added directly into your crankcase in order to cleanse the oil. yes, you heard me, you're pouring a foreign mixture directly into your engine oil. this can be scary for newbies. never fear, seafoam is 100% petroleum. it is as harmful to your engine as water is to your skin - not harmful at all. the correct measurement for seafoam is 1.5 ounces per quart of oil in your crankcrase. simple math tells us:

(1.5) X (5.5) = 8.25 ounces

a can of seafoam is 16 ounces, so for simplicity's sake, we'll add half a can directly into the ENGINE OIL spout. NOTE: i recommend pouring the seafoam into your oil when the car is cold. i would not recommend pouring a room temperature liquid into 200+ degree oil after the car is hot. last thing you wanna do is shock your valve springs.

run the seafoam in your oil for NO MORE THAN 250 miles! seafoam is very agressive. your next oil change will be black as satan's heart and likely thicker than usual. i would not recommend running this oil very long in the car as your oil filter is going to have quite the time on its hands and the oil won't be in the best of shape afterwards. i'll say it again. change your oil less than 250 miles after you put seafoam in your crankcase! i personally recommend running it 100 miles, then changing your oil. that should be plenty for the seafoam to get most of the gunk out.

Part Three: Top End Cleaning

here comes the fun part: cleaning the engine internals! NOTE: park your car in a VERY WELL VENTILATED area for this step as high amounts of toxic fumes will be pouring out of your car.

as you recall, we have half a can of seafoam left. this half a can will be used to clean out your cylinder banks. in order to do this, we need to locate a vacuum line to directly feed the seafoam into the engine. the favorite vacuum line is the brake booster line. for those unfamiliar with the brake booster, here is what it looks like: pic of f-body


(sorry for the image quality, it was getting dark and that's the best my cell phone can do )

the brake booster is the big, black saucer shaped object behind the brake fluid holder against the driver's side firewall in case you can't tell by the picture.

we will be sucking the seafoam into the brake booster hose marked by the red arrow. (note: some people prefer to suck the seafoam in through the PCV line. this is also acceptable, although i have never done it.)

first thing you wanna do is start the car and let it warm up until the engine reaches closed loop. basically, start your car and wait for the engine to warm up to normal operating temperatures (5 - 10 minutes depending on outside temperature). after the engine is nice and warm, turn the car off. now we're going to disengage the brake booster line.

for this, you may need a pair of pliers and a flat head screwdriver. there is a little metal clip holding the brake booster hose to the brake booster. you want to take a pair of pliers, compress the clip and slide it down the hose a few inches. now that the clip is out of the way, you need to disengage the brake booster hose. this can be a bear if you've never done this before. my car had 80,000 miles on it when i seafoamed it and that sucker was stuck on there tight (it's a vacuum line, it's glued by high pressure). you may need to take the flat head screwdriver and jam it into the vacuum line and wiggle it off the brake booster. this may take a while. it took me a lot of pressure to get the hose off the booster. you may have to pull pretty hard.

once the hose is off, you're gonna want to find a small funnel that will fit into the brake booster hose. i do not recommend simply jamming the hose into the seafoam and letting the engine suck it up. this makes it very hard to control the amount being sucked up and could flood the engine far too fast causing it to prematurely stall out.

now that you have a funnel jammed into the brake booster hose, start the car. you'll notice your rpm's are very high, likely around 2000-3000rpms. this is because your brake booster hose being disconnected is causing a massive vacuum leak. you'll be able to feel the engine sucking air down the funnel.

at this point, you have half a can of seafoam left (8 ounces). you should, in your head, divide that into three equal parts. you're going to want to SLOWLY pour the first two thirds of the seafoam left in the can into the engine via the funnel. the engine will start to sputter and choke as you pour in the seafoam. you DO NOT want your engine to stall out. go as slowly as possible pouring the seafoam into the engine as necessary so the engine does not die. do this for the first two thirds of the mixture. with the final third of the seafoam, quickly dump it down into the funnel. the idea here is to stall out the motor, suspending the remaining gulp of seafoam in the cylinder b
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Old 05-05-2007, 01:58 PM
  #13  
2000GT4.6
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Default RE: SEAFOAM

Lets think about what this is supposed to do...

Its supposed to clean the inside of your engine, cleaning "carbon deposits" etc.

Now, you dump it in your oil, fuel, and intake. What exactly does a "cleanser" do? It stops the abilty of particles from clinging to something else.. thats all that soap does.

So your going to stop the abilty of anything the seafoam touches from clinging... what all does that include? How about the oil?I dunno about you, but the last thing I want to do is remove all lubrication off the internal parts of my engine.

I tried this on my DD, on which I keep 100 percent accurate information on MPG etc.. it did nothing. Its not going to help anything, and it could hurt something...w hy use it?
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Old 05-05-2007, 03:09 PM
  #14  
cliffyk
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Default RE: SEAFOAM

Seafoam is one of those products you never need to use if you properly maintain your engine,we routinely runour cars to 250k+ miles and I have never had a need to useany intake "cleansing" product like Seafoam. The good news is that when used according to the directions it probably won't hurt anything, but unless your engine issome gunked up ball of crud it probably won't help anything either. [/align][/align]Some folks have messed up various sensors, air valves, etc. by dumping it in to fast and/or by alowing the engine to stall before it's all sucked through. I wouldn't use as some sort of preventative maintenance on anything--I guess itcould serve some purpose if you've inherited or otherwise acquired some POS. [/align]
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Old 05-05-2007, 05:35 PM
  #15  
pete1665
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Default RE: SEAFOAM

problem is... some of us didnt buy our cars new... then the previous owner didn't maintain it like we do...
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Old 05-05-2007, 05:39 PM
  #16  
kcp1989
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Default RE: SEAFOAM

I would use it if my car had enough miles to need it. You may gain a few extra mpg and the motor will run smoother
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Old 05-06-2007, 12:29 AM
  #17  
kenv
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Default RE: SEAFOAM

ORIGINAL: 2002GTAUTOVERT

the search button is there just for appearance, didnt you guys know that?
Sometimes it is, if you don`t put the exact term in a lot of times it comes back with no results. As far as Seafoam goes, if you use that stuff- be prepared for complaints from the neighbors because they wont be able to see two feet in front of them for a two block radius
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Old 05-06-2007, 12:56 AM
  #18  
TeddyKGB
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Default RE: SEAFOAM

rob.d - thanks very much for the thorough explanation! now you don't live anywhere near DC and want to ear a few bucks by doing this to my car for me, do you? [sm=nerd.gif]
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Old 05-06-2007, 01:08 AM
  #19  
undecided.steve
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Default RE: SEAFOAM

ORIGINAL: svt_97cobra

Has anyone ever used seafoam? How do you like it? How do you pour it inside of your engine?
Are you having some kind of engine performance problem?
IE:Pinging, knocking, poor performance etc and you have done the usual tuneup already with no luck.

If not.....Seafoam is the absolute LAST thing you want inside your engine.

Using Seafoam is like giving your motor an enema.
Like with humans, if you are sick it might be just the ticket however if you are well, at least for most people,
an enema is the absolute last thing you want.

Your motor thinks the same as you do [8D]

The golden rule is "If it ain't broke, don't fix it".
Or
Don't put ANYTHING other than fuel, oil, coolant, PS and tranny fluid in your motor.
An occasional bottle of fuel injector cleaner is a good idea though.

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Old 05-06-2007, 01:20 AM
  #20  
TeddyKGB
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Default RE: SEAFOAM

IDK I have kind of thought I had lost some power since I bought the car, but maybe I just got used to the power.

I am not even sure if I can really get any sort of wheel spin in my automatic 02 GT and something tells me that isn't quite right. With nearly 40K miles and I am the 2nd owner perhaps I should give this a whirl.

The big question is how much will I get out of doing step 1 & 2 from rob.d's post? I don't think I want to attempt step 3 by myself but ! &2 sound simple enough. Would I get much out of it or is step 3 the part that gets the majoirty of the junk?
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