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HELP: Tranny, Coolant, and Spark Plugs

This is a discussion on HELP: Tranny, Coolant, and Spark Plugs within the General Help forums, part of the LSx Technical Help Section category; So I know there are threads out there but everyone is doing different things so thought I'd start a new ...

  1. #1
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    HELP: Tranny, Coolant, and Spark Plugs

    So I know there are threads out there but everyone is doing different things so thought I'd start a new thread and see what comes up

    So looking for:

    What tranny fluid to use, are there different filters to choose from and how to do the change? My car is an A4.

    Coolant, how to change the best heard to remove the plugs in the block and drain the rad. But wont that have a lot of AIR in the system if I do that all at once? Dex Cool 50/50 or something else?

    Lastly what NGK plugs to use?

    Doing an overhaul on maintenance since I've been really busy and left everything go, anything else I should do. Car is a v8 with 86k right now.

    Thanks

  2. #2
    Retired NOT tired SteveC's Avatar
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    SOM
    2001 Z28 (Sara)

    I use the Dexron III transmission fluid, stock GM filter. I also use Dex Cool (not the 50/50), and dilute it with distilled water. I use the NGK TR-55 plugs gapped @ .055.

    SteveC
    Last edited by SteveC; 09-05-2011 at 04:48 AM.

  3. #3
    Smiles for 9.5 Years cammed goat's Avatar
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    Phantom Black Metallic
    2004 GTO M6

    If the car is stock, use what the manual requires.

  4. #4
    Sold: LS1 '85 El Camino ls1camino's Avatar
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    2000 Grand Prix GTP
    2000 Trans Am WS6 M6

    F-body coolant systems are self-bleeding, meaning that it will work the air out itself. I just put a brand new motor in...I just filled the radiator and turned on my electric water pump (if you have a mechanical, you could probably just turn it by hand with the belt off). It took only a few minutes before the coolant started going into my overflow tank. Once that happens, I'd check the coolant level after a few heat cycles to make sure you're not low.

    I prefer the GM orange Dexcool...buy the pure stuff and dilute it yourself using DISTILLED water, NOT tap water. I just alternated pouring a gallon of water and a gallon of coolant. With my oversized radiator, I used exactly 4 gallons. If you end up having to top it off, use the water, cause it has better cooling properties over the coolant, so more water than coolant is not a bad thing.

    Spark plugs...
    Stock: TR55 @ .055
    Higher compression (11:1 and up): TR6 @ .045
    Stock and Nitrous: TR6 @ .045
    Lower (stock or below) and Supercharger or Turbo: TR6 @ .045
    High Compression and Nitrous: BRE7 @ .032

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