Thread: What tools and parts are needed to replace the LIM gasket on the S/C 3800 motor?

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  1. #1 What tools and parts are needed to replace the LIM gasket on the S/C 3800 motor? 
    SE Level Member Spazztic2003's Avatar
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    Please help me add to this list if I'm missing anything.

    Tomorrow I begin my shopping trip for parts to begin fixing the LIM gasket- just want to make sure I've got it all.

    LIM gasket (duh)
    Supercharger gasket
    Throttle body gasket
    RTV sealant for gaskets
    Brake cleaner to clean off dirty surface of the manifold and lower intake
    Razor blade to scrape the old gasket gunk out of the intake
    Intake O-rings? (Do these need to be replaced with each install?)
    Motor oil
    Coolant

    I think that's all of it? Any other materials that I need?

    Thanks for all the help!
    A fan of Pontiac and their cars since my birth in Pontiac.

    Proud owner of the world's worst '98 GTP, falling apart in every way!
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  2. #2 Re: What tools and parts are needed to replace the LIM gasket on the S/C 3800 motor? 
    Donating Users bbptech's Avatar
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    Thats basically it. the o-rings come with the supercharger gasket so long u buy the felpro one and not the garlock. ull need 10mm, 3/8 or tools. i might be missin a couple extra tools but u basically got all of it.
    ZZP 10.4mm's, ZZP S2 IC, 3.4, 3.0, Ported Gen V, ZZP Headers, ZZP CNC Heads, ZZP 78mm TB, ZZP Aluminum Valve Covers, Meziere Electric WP, ZZP Fuel Pump, ZZP Fuel Logs, 65 Mototrons, 3.29's, 2500 Stall. Tuned by GLANZERGTX and Kyle. E85 Converted, 21* Timing
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  3. #3 Re: What tools and parts are needed to replace the LIM gasket on the S/C 3800 motor? 
    Donating Users Liquifire's Avatar
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    oil filter. You will want to change your oil after this process as you may have coolant that gets into your oil.
    98 GTP Coupe- 180* T-stat, GMPP Front Sway Bar, Dual Aeroforce Interceptor's, TDC FWI, TDC Taylor 10.4's, ZZP SS Plog, ZZP 3" SS catted DP, ZZP MPS W/3.4, AL104's gapped @.055, 3800Perf. PCM
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  4. #4 Re: What tools and parts are needed to replace the LIM gasket on the S/C 3800 motor? 
    youtu.be/xhrBDcQq2DM FoSHO99's Avatar
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    Coolant elbow. There are 2 different ones on our engines, usually they'll come in a pack of 2 but some dealers give out 1 and most of the time its the wrong one.

    Plenty of shop towels and do not clean gasket surfaces on the heads unless there is a rag underneath to catch debris from falling to the lifters.
    2001 GTP PT61 Turbo, E85, Stock Motor
    2011 Chevy Cruze MT6 1.4L Turbo
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  5. #5 Re: What tools and parts are needed to replace the LIM gasket on the S/C 3800 motor? 
    The mod from over yonder TheOtherNick's Avatar
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    You need a torque wrench and a 3/8" drive set
    01 gtp-big cam e85 dd 78dodge- guzzling fuel 05 cummins- rollin coal
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  6. #6 Re: What tools and parts are needed to replace the LIM gasket on the S/C 3800 motor? 
    GTX Level Member a98gtp4u's Avatar
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    check your injector o-rings also, since u have 2 take the fuel rails off. i would replace them just to be on the safe side.
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  7. #7 Re: What tools and parts are needed to replace the LIM gasket on the S/C 3800 motor? 
    SE Level Member Spazztic2003's Avatar
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    Thanks guys! I'll add that to my list.

    I'll take a before and after of the motor bay so you can see how junky my car is until I get that gasket swapped. I'm going to sand everything to a shiny polish.
    A fan of Pontiac and their cars since my birth in Pontiac.

    Proud owner of the world's worst '98 GTP, falling apart in every way!
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  8. #8 Re: What tools and parts are needed to replace the LIM gasket on the S/C 3800 motor? 
    The mod from over yonder TheOtherNick's Avatar
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    Your not as lazy as me then. Black paint FTW!
    01 gtp-big cam e85 dd 78dodge- guzzling fuel 05 cummins- rollin coal
    SMGPFC Two Nipple General
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  9. #9 Re: What tools and parts are needed to replace the LIM gasket on the S/C 3800 motor? 
    DUI BABY Bio248's Avatar
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    you dont need a torque wrench for that. its a small job with small bolts. you just need to use the right pattern to torque it down.
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