Thread: *HOW TO* LS4 Transmission Cooler Install

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  1. #41 Re: How to - Transmission Cooler Install Grand Prix GXP 
    GXP Level Member 91parkave's Avatar
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    trans coolers arent specific to the vehicle however that one will work, just exspensive. make sure you instal it in stadalone
    06 GXP | 222/227 cam/cartuning turbo kit on 8psi/meth/e85 coilovers/ still on stock trans at 130k
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  2. #42 Re: How to - Transmission Cooler Install Grand Prix GXP 
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    Quote Originally Posted by 91parkave View Post
    trans coolers arent specific to the vehicle however that one will work, just exspensive. make sure you instal it in stadalone


    Where can i find a cheaper one?
    What do you mean bu stand alone?
    Thanks
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  3. #43 Re: How to - Transmission Cooler Install Grand Prix GXP 
    I live here. theaceofspades's Avatar
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    Quote Originally Posted by spacerabbit69 View Post
    Where can i find a cheaper one?
    What do you mean bu stand alone?
    Thanks
    eBay. A lot of people go with the Hayden coolers which I'm going with the Hayden 1409 but I have a NA 3.8. And standalone by cutting the stock cooler completely out for more efficient cooling that means just run new lines directly from the trans to the new cooler
    Quote Originally Posted by theaceofspades View Post
    I now own a stance car parts I just like them DICKS
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  4. #44 Re: How to - Transmission Cooler Install Grand Prix GXP 
    GXP Level Member 91parkave's Avatar
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    Lookup the b&m 70274 on amazon..that will easily handle all your needs past present and future for 80bucks
    06 GXP | 222/227 cam/cartuning turbo kit on 8psi/meth/e85 coilovers/ still on stock trans at 130k
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  5. #45 Re: How to - Transmission Cooler Install Grand Prix GXP 
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    What kind of spark plugs should i run in an 07 grand prix gxp?
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  6. #46 Re: How to - Transmission Cooler Install Grand Prix GXP 
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    I ordered a trans cooler and a shift kit
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  7. #47 Re: How to - Transmission Cooler Install Grand Prix GXP 
    GXP Level Member 91parkave's Avatar
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    Quote Originally Posted by spacerabbit69 View Post
    What kind of spark plugs should i run in an 07 grand prix gxp?
    NGK Tr6IX's +MSD wireset
    06 GXP | 222/227 cam/cartuning turbo kit on 8psi/meth/e85 coilovers/ still on stock trans at 130k
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  8. #48 Re: How to - Transmission Cooler Install Grand Prix GXP 
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    K. Ordered the spark plugs i already have msd wires. Put them on maybe 40k miles ago. How long til i should replce the wires again?
    Also Ive been told to get poly mounts. One guy has square and round. I thought it was one or the other? Is this just the mount by the radiator they are talking about? If it is one or the other which ones are better round or square?
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  9. #49 Re: How to - Transmission Cooler Install Grand Prix GXP 
    I live here. 02NavyBlue's Avatar
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    Round mounts go from the bracket to the engine, square mounts go from the bracket to the frame. Both are part of the dogbone torque strut mount that keeps the engine from rocking back and forth.
    2006 Grand Prix GT S/C 109k - Modded Transgo Shift Kit, Gutted Airbox, Dash Cam, and Inlays. Retros soon to come.
    2002 Grand Prix GT N/A 127k - Same as 06 Plus: Trans Cooler, DIY Aux Input, LED lighting, Suspension Upgrades, Tint, Retrofits.
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  10. #50 Re: How to - Transmission Cooler Install Grand Prix GXP 
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    Is there some kind of plug to use to plug up the radiator when you pull off the transmission line to prevent contaminents from getting in the radiator? And are there fittings to go over the preexisting lines to use to connect to the trans cooler? I want to do this right and preserve the original lines and everything in case i ever want to change it back so i wont have to run new lines. Or if i ever get a leak or sometging messes up. I seen someone cut the pupe, but i dont want to do that.
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  11. #51 Re: How to - Transmission Cooler Install Grand Prix GXP 
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    Quote Originally Posted by spacerabbit69 View Post
    Is there some kind of plug to use to plug up the radiator when you pull off the transmission line to prevent contaminents from getting in the radiator? And are there fittings to go over the preexisting lines to use to connect to the trans cooler? I want to do this right and preserve the original lines and everything in case i ever want to change it back so i wont have to run new lines. Or if i ever get a leak or sometging messes up. I seen someone cut the pupe, but i dont want to do that.
    Ok just cut the lines. It's gonna be easier and you want to do it in standalone method anyway. And cap the rad with anything. I don't think it matters cause that obviously doesn't connect to the coolant side. You shouldn't be worried about restoring it to stock because stock is an epic fail. Even in my base I'm doing a cooler this week cause I live in a hilly area and I'm seeing 200'ddgree temps.
    Quote Originally Posted by theaceofspades View Post
    I now own a stance car parts I just like them DICKS
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  12. #52 Re: How to - Transmission Cooler Install Grand Prix GXP 
    Moderator Russosaur's Avatar
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    You don't need to cut the lines but if you do flare them so the hose won't blow off. If you don't cut them the hose might slide over the end of the fitting on the lines acting as a barb. If you live in colder climates running it in series with the stock one wouldn't be a bad idea what I plan on doing. Which kit did you get if its the one deigned for GXPs off TEP it should have all AN fittings and PnP with no cutting.

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  13. #53 Re: How to - Transmission Cooler Install Grand Prix GXP 
    GXP Level Member 91parkave's Avatar
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    You're in Florida just use an fittings fittings, some pushloc hose -6port printed oringed AN fittings with a -8 male end. Grab a female male -8 hose barbed pushloc fitting run your lines to your cooler and be done with it.

    Here's my thread on the an fittings.
    http://www.grandprixforums.net/threa...ng-to-AN-lines
    06 GXP | 222/227 cam/cartuning turbo kit on 8psi/meth/e85 coilovers/ still on stock trans at 130k
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  14. #54 Re: How to - Transmission Cooler Install Grand Prix GXP 
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    Thanks for the help. Im in florida so im gonna fo stand alone. I want to preserve it just in case. You never know. I do agree that stock sucks though although i love the car. Ill try the an fittings. What would be best to plug the radiator, rubber or metal or something? And wont the hole be recessed or whatever? Is it tapped or something, will something screw in there? I have a friend helping me and he told me to try and get all this information before we start.
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  15. #55 Re: *HOW TO* Transmission Cooler for your LS4 car 
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