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  1. #1 Re: Engine Maintenance and upgrades 
    GXP Level Member coolone's Avatar
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    Quote Originally Posted by GTPNovak View Post
    I have a LIM gasket leak and have some parts to put on.

    my thought was remove thermostat reinstall the housing with supplied gasket from gasket kit (not needed when thermostat is installed).


    - Fully flush the cooling system, refilling with water and have it circulate by running the engine. Once the cooling system is flushed (2 or 3 water fills) drain and leave empty.
    - Pull plugs and wires noting which wire goes to which cylinder.
    - Take off the throttle body, then remove fuel system rails and injectors.

    Work from top down, fuel rails first, then SC/TB together, no need to remove TB if you don't want to.

    - Take off super changer, then lower intake manifold.
    - Protect the ports on the top of the block.
    - Remove valve covers and cover the valve train.

    Leave covers on until any work on valve train is done, if just gaskets, make sure you get the Felpro Kit with the cover bolt grommets and replace those too (lil, blue things) if high mileage, then may be a good time to replace the valve seals too... Just sayin!

    - Move on to headers (assuming the extra room will be helpful)
    - Replace exhaust manifold gaskets and install headers.

    If planning to mod, is a good time to install extra bung for wideband, can be plugged if not used for now. Replace exhaust gaskets with stock metal ones, either save your old ones or order new, but use those.

    - Replace the valve cover gaskets and reinstall.
    - Place LIM gasket on and rtv the corners, place LIM after fully cleaning back on with new AL coolant elbows and tighten down.
    - Install new thermostat.

    RTV not only the corners but I RTV the entire bridge across from head to head... If tuning capable, install 180* Tstat. Must program fans for 180* though or useless.

    - Check plug gap and install new plugs.
    - Place supercharger back on with new Plenum gasket.

    Port SC and TB? Nows the time

    Not changing the supercharger oil as it was done less then a year ago.
    - Replace injector o rings and install.

    How many miles (O Rings)?

    - Replace wires and route to the correct cylinder.
    - Refill cooling system with normal green coolant.

    Keep car front end up on stands or elevated to fill collant, will help eliminate air pockets.

    - Change oil and filter.

    Drop oil valve galley to run a few minutes and dump when done. Use cheap oil for first fill.

    - Run car and remove any air from the cooling system.


    - Smoky burn outs.

    Then make sure you save for axles, Diff and or Trans, lol...


    Crack a beer and think about how you just saved about 900 dollars.

    Does anyone see any issues in the process?


    No issues, just suggestions...
    : )
    Overkill BBC Cam, YT 1.8 RR's, Rhodes Lifters, STGII Heads, GenV, Pacesetters, 3" Exh to Tips, TEP Trans. N*, ID 75# injectors/E85 coming soon
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  2. #2 Re: Engine Maintenance and upgrades 
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    Coolone:

    Car has 71,000 miles.

    I planned to remove the throttle body from the SC to make it easier to clean and possibly port (not sure if i want to get that involved).

    I chose to go with factory "offset" thermostat for two reasons the offset must be there for a reason and not being able to tune / people debate 180 doesn't do anything.

    The new valve cover gaskets and grommets are felpro.

    Dont see myself installing a wideband. I have new factory metal exhaust manifold gaskets.

    I thought i read it was a good idea to replaced the o-ring any time you pull the injector out? I think the gasket kit i bought from RockAuto came with them.
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