will it help if i just pour it in the gas tank??

yes

1/3rd the can

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N.R.A Life Member.

do it through the vacuum lines.. that's where it really helps.

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FQUICK
CarDomain

I poured a whole can in on about 1/2 tank. Did some amazing shit.

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2012 Ford Focus SE Sport
2012 MINI Cooper Clubman

I have ADHD and drive a Focus. Ironically.
Although gold dust is precious, when it gets in your eyes, it obstructs your vision.

your best bet is to use the brake booster line instead.

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Modded Like a Mother Fu**er and still gets 20+ mpg and runs 14's

My friend had a 93 chevy 1500 with a small block 350...and he used some seafoam....

He filled an entire 400 car parking lot up with white smoke....It was awesome.

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I just used a whole can in a full tank, won't do much using 1/3

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I just pour a whole can in a full tank too. It says that right on the can that one treats up to 20 gallons, I think.

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should i invest in some of this stuff?

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Best to get 2 cans, do the vac line 1st, then put the 2nd can in the tank

I do it on 1/2 tank of gas...

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I believe in dragons, sane women, & other mythical creatures.

Make sure it's not NOS...

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COLORADO GRAND PRIX/G8 MEET! SEPT 12

At least...not the energy drink!

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One Big Ass Mistake America

I heard seafoam was bad news from a few people, but some said it works great.

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2009 Pontiac G8 GT- Roto-Fab Intake, Roto-Fab Radiator cover, Superchips Cortex Tune, Tinted Tail lights, Corsa Cat-Back Exhaust, Tinted side markers, Painted GXP Diffuser, Tinted Reflectors, Painted Grilles.

I use it 2x a year, on every car/truck I've ever owned...
Don't plan on changing that either...

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I believe in dragons, sane women, & other mythical creatures.

Will it be safe to use on an engine that has 148.5k miles on it?

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98' Grand Prix GTP Sedan

I did it on my 02 with 135xxx on it. Didn't see any noticeable improvement, either it was already done before I bought the car at 126k, or I need to do it once or twice more to finish it up XD

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Only thing it could to to a high mile car is loosen gaskets.

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Topswap - 4" FWI - 180 - 104s - Ploy Mounts - Full Exhaust - Custom Tune by FastKatt

What IS "seafoam" Is it a brand name, product name or a nickname? Who makes it. And what is it used for - exactly?

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2008 Grand Prix: Base Model = STOCK. Liquid Silver Metallic
Appearance Mods: Blue Arrow overlay, Grey SPO Grilles, blue front/rear PONTIAC inlays, Blue cloth door inserts, Blue LED dome light, Black and Blue seat covers (Front), SE Rear Fascia.

i saw a gallon jug of this the other day at work...I wondered wat that would be like trough the tank lol

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Just my little plug for Sea-Foam. I've used this on everything from my day to day driver, to nearly any small engine(mower, tiller, weed whacker, go-cart, generator, etc.) It's not a miracle cure but it sure does help clean the internals! The lowest price I've seen is around $6/can now and thats at Menards. If you look in my garage, there's usually about 2 1/2 cans floating around somewhere. Its probably the most universal and effective cleaner for combustion engines on the market today IMHO.

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2005 Grand Prix GT - SPO Spoiler, Tips, Grilles, Sills, Mats, SE Front Fascia, GMPP F/R STB's W/ Don's Brackets, GMPP RTA's & GMPP Rear Sway Bar

For all you nonbelievers try this...

heard it at work today...

take a lid from a pop bottle and fill it with seafoam...now stand a rusty bolt in it (head down) and the seafoam will actually crawl up the bolt...neat shit

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im wary of seasfoam on a high mileage motor, i had a 91 celica with 203K on the clock and seafoamed it, apparently all the crap that seafoam cleaned out was the same gunk holding the piston seals together. motor seized about 5 miles later.

but, it did do its juob, just make sure your motor is in decent shape and dont held together with crap

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AutoXer and Basshead
IT geek when im not messing with the GP

I just recommend not to put it in the crank case, except in very small amounts. I put in 1/3 of a can just before an oil change a little over a year ago. After the change, I made it halfway down the street and my low oil pressure light came on, a few days later, I had 2 spun cam bearings. (gave me a good excuse to upgrade to the XP cam, though!)

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'97 GTP: 9.5:1 Diamonds, XP'd, 3.4, Shiny Headers, Ported S/C and Heads, N*, HPTuners
Coming Up: Intercooling of some sort...

X2 on the crank case...If you are going to do it, make sure you are going to change oil shortly there after.

As far as high mileage engines, I run a can in my '98 Bonneville (221,XXX miles and counting) about every oil change and have yet to have problems...knock on wood.

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2005 Grand Prix GT - SPO Spoiler, Tips, Grilles, Sills, Mats, SE Front Fascia, GMPP F/R STB's W/ Don's Brackets, GMPP RTA's & GMPP Rear Sway Bar

yeah i probably wont put it in the oil