Seafoam info/opinions

G

Goodiemob

New member
Just bought a new to me 2004 sr5 runner v6 with 101k on it. I want to clean the motor out and start as fresh as I can. I've heard of seafoam in the past but I've read mixed reviews and I wanted some opinions on it. Where exactly do I put it? How much? And do the directions on the bottle applied to my motor?
Thanks, also I tried a search and either I'm doing it wrong or I didn't look long enough but I didn't find much out there.
 
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I did it on a Tacoma with about 25k miles on the ODO and it didn't feel any different after. Remember to change out all your plugs after seafoaming, I believe it clogs plugs.
 
I do not have any experience with seafoam and do not think I ever will as I would never run it through one of my vehicles.
 
I bought my '07 SE w/ 82k miles on it and seafoamed it a couple weeks ago @ 105k miles. I also ran some through the oil. Drove it for 30 miles straight, then changed the oil and the plugs. I haven't noticed any benefit in mpg (and i keep a very detailed log), but the T4R does seem to run smoother, particularly at low RPMS. I read somewhere that the more smoke, the more you've cleaned out.
 
Jaden78 said:
I bought my '07 SE w/ 82k miles on it and seafoamed it a couple weeks ago @ 105k miles. I also ran some through the oil. Drove it for 30 miles straight, then changed the oil and the plugs. I haven't noticed any benefit in mpg (and i keep a very detailed log), but the T4R does seem to run smoother, particularly at low RPMS. I read somewhere that the more smoke, the more you've cleaned out.
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Interesting that you ran it through the oil. How much did you dump in the oil? When I used it on my Tacoma, I just put it in the gas tank and didn't notice any benefits.
 
You're supposed to run 1/3 through the pvc air intake, 1/3 through the gas tank, and 1/3 through the oil before changing it
 
I seafoamed my 94jeep zj and nearly had tge fire dept over lol but that was on the cusp of the switch to ethanol blend. Mtbe fuels were worse about deposits. Ethanol is basically a solvent
 
I ran about 1/3 a can through the oil. The first time I got the oil changed after buying the T4r, I ran a 1/2 can through and the oil was extra thick and dirty...i don't know if it was from the seafoam or previous owner maintenance. I bought it certified, so I rationalized that the seafoam was doing the trick.

xxaarraa said:
Interesting that you ran it through the oil. How much did you dump in the oil? When I used it on my Tacoma, I just put it in the gas tank and didn't notice any benefits.
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I ran it through my 03 tundra and fouled the plugs in it. the oil was super dirty..I love this forum but man if someone asks a question they get jumped on. this is a place to learn who cares if people didnt use the search bar get a life man. If you do the seafoam I would change the oil ASAP
 
Goodiemob said:
Idk what to tell you, my search sucks. I didn't think it was a big deal, sorry.
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You must hone your Search-Fu grasshoppa! LoL

Jaden78 said:
I bought my '07 SE w/ 82k miles on it and seafoamed it a couple weeks ago @ 105k miles. I also ran some through the oil. Drove it for 30 miles straight, then changed the oil and the plugs. I haven't noticed any benefit in mpg (and i keep a very detailed log), but the T4R does seem to run smoother, particularly at low RPMS. I read somewhere that the more smoke, the more you've cleaned out.
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Actually that depends, the more smoke also indicates you're putting too much seafoam in/not letting it sit enough and just burning pure seafoam, thus wasting it. Its a balance. :)

97BlackAckCL said:
You're supposed to run 1/3 through the pvc air intake, 1/3 through the gas tank, and 1/3 through the oil before changing it
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There's a formula on the can that explains how much to use per quart of oil, it also states to run the vehicle around 100miles before its oil change with the seafoam in the oil. You don't need to put seafoam in the engine oil, but it does seem to help on higher mileage engines. Also, I tend to run about 1/2 through the intake and 1/2 through a quarter tank of gas to clean the injectors.

I ran a can of seafoam through my 4Runner before changing the plugs and didn't find any evidence of severe fouling, a little rich but that was expected. I think it depends on the ratio of Seafoam to normal air/fuel mixture as you can basically end up running the car on just seafoam, which really isn't a fuel.

On those hard to clean, high mileage engines or if you suspect severe carboning, the best thing to do is to pop the plugs out, put a few ounces in each cylinder, let the engine sit overnight and then run the piss out of it the next morning. The seafoam really eats up the carbon when given a few hours.
 
Seafoam = Meh

Snakeoil is my guess.

I did it couple a times, the smoke is Fun!

As for engine changes, I think it is like diet pills and get rich quick schemes...selling the dream, fix and improve in a can = print money!!

I've never seen Dyno pre vs post which could be a good measure of engine improvements from this product...or not.

IMHO...do it for the "feeling" you are doing something and the fun of the smoke...and to help the Seafoam corporation with its 2012 bottom line.
 
hkollie1 said:
Seafoam = Meh

Snakeoil is my guess.
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It's used on 2 stroke outboards, extensively, to decarbon the engine. All of the major outboard manufacturers have their own version: Yamaha Ring Free, Mercury Power Tune, OMC Engine Tuner. In car/truck use, now that direct injection is the norm, carbon issues are showing up on the back of intake valves. Seafoam thru the brake booster should clean that up.

-E
 
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