Thread: seafoam

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  1. #1 seafoam 
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    when going to run seafoam through the intake, should i do it through the brake booster line? or the middle vacuum line on top of the supercharger?

    car is a 98 gtp
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  2. #2 Re: seafoam 
    GT Level Member lewis1952's Avatar
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    brake booster. About 1/3 of a can. Shut it off for about 15-20 mins then run it til the white smoke is gone. DO NOT put it in your oil.
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  3. #3 Re: seafoam 
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    what will putting it in the crank case do?
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  4. #4 Re: seafoam 
    I live here. stealthee's Avatar
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    Thin the oil and possibly cause a spun bearing.


    2011 Mitsubishi Lancer GTS - DD mode
    1991 Mitsubishi 3000GT - Many mods to come
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  5. #5 Re: seafoam 
    GTX Level Member nos4blood70's Avatar
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    Apparently putting it in the oil is fine if you plan on doing an oil change soon after. Like think 50 miles soon.
    -Carl
    "Penelope" - 145k Miles 2003 Bonneville SLE


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  6. #6 Re: seafoam 
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    got it, thanks

    gonna avoid putting it in the oil, ive had bad luck with this car and dont wanna tempt fate
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  7. #7 Re: seafoam 
    GTP Level Member 231FUN's Avatar
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    I've always done half through the brake booster line and the other half in the fuel tank.
    Would never pour it in the crankcase for any length of time.
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  8. #8 Re: seafoam 
    Donating Users jacobmh27's Avatar
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    I am going to try this weekend
    http://www.cardomain.com/ride/3059486
    2001 GTP, TransGo shift kit, SSAC Headers, AeroForce Scan, TDC Racing FWI, Overkill PCM, 3.4 Pully,MSD Coil Packs, Moroso Wires, AL104's, 160Tstat
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  9. #9 Re: seafoam 
    SE Level Member kkehlet's Avatar
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    you may want to run a bottle of marvel's mystery oil in the crank case
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  10. #10 Re: seafoam 
    GrandPrix Junkie ItHurtz's Avatar
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    1 can in vac line, 1 can in gas tank, never the oil
    2000 GTPT Sold-brandonhall10 built trans
    2009 Challenger SRT8
    http://www.grandprixforums.net/threa...uestion.....no
    Expert at being gay.
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  11. #11 Re: seafoam 
    GXP Level Member Timing's Avatar
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    Quote Originally Posted by ITHURTZ View Post
    1 can in vac line, 1 can in gas tank, never the oil
    ^this
    08 MazdaSpeed 3- Treadstone tr8l, Ebay Piping, Ported intake,Thermal gasket, Cs Injector Seals,Cobb intake/inlet, Autotech Internals, Poly mounts, Speed Daddy DP, Magnaflow CB,
    RPF1 17x9 255/45 Direzza Zll
    04 COMPG- Vs, getrag 284 RIP
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  12. #12 Re: seafoam 
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    if my wires, plugs, and oil are all relatively new when i do the intake cleaning, should i still change them after?
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  13. #13 Re: seafoam 
    Killa Bee Scottydoggs's Avatar
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    your plugs will live. but its always nice to seafoam and then do a full tune up when needed. your plugs are burning off a lot crap, why its smoking so much out the tail pipes.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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