Is seafoam safe?

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johnnyd6404
Posts: 308
Joined: Sun May 04, 2008 4:21 am
Car: 2004 G35 Coupe 6MT 2k2 Maxima SE(sold) 2005 Altima 2.5S

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So I've searched alot about this one question came up is it safe on high mileage cars the person thought it wasn't but it was never answered does anyone know anything about this. Another thing was someone said it's not good to go through the brake booster...is that true and if so where would you put it in...the line going to the PCV valve? So my question is my car has about 114k on it is seafoam gonna help or hurt my engine?


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allensteiner
Posts: 1193
Joined: Mon Oct 22, 2007 2:55 pm
Car: 1995 Nissan Maxima GLE, 2005 Pontiac Bonneville SE

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i've got over 150k, used deep creep through the booster and still running fine...so i'd say it's safe IMO.

Presscott707
Posts: 321
Joined: Sun Jan 15, 2006 1:20 pm
Car: 1999 Maxima 5spd

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allensteiner wrote:i've got over 150k, used deep creep through the booster and still running fine...so i'd say it's safe IMO.
i ran it throught the same place as allensteiner and my car is running great with almost 140k so i give it .

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killakarebear
Posts: 23
Joined: Sun Jul 20, 2008 12:13 pm
Car: 1991 Nissan Maxima SE

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Well the nice about seafoam is you can use it in many different ways. I use it in my gas tank and my injectors never felt smoother(Im at 200,000 miles). For the brake booster it says on the can its ok but i never tried it just follow what it says on the can.


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