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Seafoam product

This is a discussion on Seafoam product within the General Tech Discussion forums, part of the W Body Tech category; Let it suck the can empty then shut it off for about ten min then restart...

  1. #41
    I live here. dsmuts's Avatar
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    Default Re: Seafoam product

    Let it suck the can empty then shut it off for about ten min then restart
    98 GTP 230K miles scrapped
    04 Comp G 180*, HAI, poly db's, zzp stb's, UMI ta's, Speedbuilt sways, DNA springs budget build in the works

  2. #42
    SE Level Member Compg4me's Avatar
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    Just did mine today. I bought some 7/32" vacuum line and hooked the one end into the intake under the supercharger snout. I put the other end in a cup with half a can of sea foam and let it suck it dry. The car died just as the cup was emptied. I let it set for 15-20 minutes, then I started it up, after about 3 try's to start she bucked like crazy but smoothed out withing 20 seconds. I took her for a nice drive and beat the snot out of her. The smoke was enough that a car at a red light started honking at me and pointing. Car idles and response seems to have improved dramatically.

  3. #43
    SE Level Member JcGTP39's Avatar
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    Default Re: Seafoam product

    but let engine suck it up slow cause it can lock a engine up real quick
    97 GTP. ZZP CAI, ZZP Custom Dyno Tune, Drilled 180* Tstat, Voltege Booster, A104's, ZZP Wires, 3.4 Pulley, ZZP Stainless Headers with TOG down pipe, ZZP 3 inch Stainless Cat Back.

  4. #44
    I live here. dsmuts's Avatar
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    Default Re: Seafoam product

    Quote Originally Posted by JcGTP39 View Post
    but let engine suck it up slow cause it can lock a engine up real quick
    It can't lock up the engine. I just shove the hose in the can and it sucks it dry pretty quick and then i shut the car off.
    98 GTP 230K miles scrapped
    04 Comp G 180*, HAI, poly db's, zzp stb's, UMI ta's, Speedbuilt sways, DNA springs budget build in the works

  5. #45
    SE Level Member Lawenforcer's Avatar
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    Default Re: Seafoam product

    So I read the entire thread and I am wanting to get everyone's general consensus on what vacuum line EXACTLY that they use for this. Location and maybe a pic of it if you have it. I am brand new to all this and just got my GTP a week ago and was wanting to run it through my lines. Not that the car is running rough or anything it is a 2000 GTP with only has 80,000 miles on it but just to ensure there is no build up in the lines etc...I just don't want to screw anything up trying to do this. Thanks ahead of time., Rich
    2000 Grand Prix GTP

  6. #46
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    Default Re: Seafoam product

    there is a t line under the supercharger snout pull that off and hook a vacuum line to it and use that.
    98 GTP 230K miles scrapped
    04 Comp G 180*, HAI, poly db's, zzp stb's, UMI ta's, Speedbuilt sways, DNA springs budget build in the works

  7. #47
    SE Level Member Lawenforcer's Avatar
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    Default Re: Seafoam product

    Quote Originally Posted by dsmuts View Post
    there is a t line under the supercharger snout pull that off and hook a vacuum line to it and use that.
    OK, I am going to give it a try. Which hose exactly do you put in the bottle of seafoam? Sorry for so many questions....
    Thanks Rich
    2000 Grand Prix GTP

  8. #48
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    Default Re: Seafoam product

    the hose that you connect to the intake manifold under the supercharger snout.
    98 GTP 230K miles scrapped
    04 Comp G 180*, HAI, poly db's, zzp stb's, UMI ta's, Speedbuilt sways, DNA springs budget build in the works

  9. #49
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    Default Re: Seafoam product

    Quote Originally Posted by dsmuts View Post
    the hose that you connect to the intake manifold under the supercharger snout.
    Ok, thanks for all the help!
    2000 Grand Prix GTP

  10. #50
    BAMMMM Iceman6669's Avatar
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    I ran mine through the SC with no ill effects

    SD Headers, 3.4" ZZP MPS, Custom Ported LIM,Custom Ported GenIII Blower,In-Car Tune, Shift Kit,AL104 Coppers, 180* TStat

  11. #51
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    Default Re: Seafoam product

    I did to but it could cause problems
    98 GTP 230K miles scrapped
    04 Comp G 180*, HAI, poly db's, zzp stb's, UMI ta's, Speedbuilt sways, DNA springs budget build in the works

  12. #52
    SE Level Member JcGTP39's Avatar
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    Default Re: Seafoam product

    I geuss where you run it. I ran my through the brake booster vacuume line.
    97 GTP. ZZP CAI, ZZP Custom Dyno Tune, Drilled 180* Tstat, Voltege Booster, A104's, ZZP Wires, 3.4 Pulley, ZZP Stainless Headers with TOG down pipe, ZZP 3 inch Stainless Cat Back.

  13. #53
    SE Level Member JcGTP39's Avatar
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    Default Re: Seafoam product

    I guess it matters where you put it*. I was told that it could lock your motor up of you pour to much of it in the intake
    97 GTP. ZZP CAI, ZZP Custom Dyno Tune, Drilled 180* Tstat, Voltege Booster, A104's, ZZP Wires, 3.4 Pulley, ZZP Stainless Headers with TOG down pipe, ZZP 3 inch Stainless Cat Back.

  14. #54
    GTX Level Member FriboRage's Avatar
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    Default Re: Seafoam product

    Putting any liquid into the cylinders too fast can lock it... although I dont think 1qt spread across all the cylinders would be enough to hydrolock... but best to take it slow imo
    2008 Grand Prix: Done: Intake, plog, zzp 2.5" catted dp, hv3 (SOLD)
    2004 Grand Prix GTP Comp G: Intake, headers, Overkill. Sport Edition Kv5 18x8 Soon to come Inferno Hood, SE Air Dam!

  15. #55
    GT Level Member GTLGDP's Avatar
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    Default Re: Seafoam product

    just did it to mine. EXTREME amounts of smoke, even under the hood. It took me a good minute to get the car started. Running better now, pretty cool.

  16. #56
    BAMMMM Iceman6669's Avatar
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    Smoke under the hood prolly means u have an egr or exhaust leak.

    SD Headers, 3.4" ZZP MPS, Custom Ported LIM,Custom Ported GenIII Blower,In-Car Tune, Shift Kit,AL104 Coppers, 180* TStat

  17. #57
    SE Level Member JcGTP39's Avatar
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    Default Re: Seafoam product

    Yeah mine smoked by the EGR didn't seem like it had a leak but must have a small one lol.
    97 GTP. ZZP CAI, ZZP Custom Dyno Tune, Drilled 180* Tstat, Voltege Booster, A104's, ZZP Wires, 3.4 Pulley, ZZP Stainless Headers with TOG down pipe, ZZP 3 inch Stainless Cat Back.

  18. #58
    GT Level Member GTLGDP's Avatar
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    Default Re: Seafoam product

    Its probably a big leak, there was quite a bit amount of smoke. You're probably right though, cause it feels like its not running under full power when i get on it, it seems to lag behind and back/misfire.

  19. #59
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    Default Re: Seafoam product

    Is there a full write up with pictures fur us dummies?

  20. #60
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    Default Re: Seafoam product

    I was actually thinking about this the other day. I put mine in my brake booster line but was thinking about the effect of the seafoam in the rotor pack of the blower and internals.

    Putting directly into the intake might actually be better.

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