Thread: 04+ GTP trans Swap into Regal ?

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  1. #1 04+ GTP trans Swap into Regal ? 
    GTP Level Member 04lss's Avatar
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    Hi all,

    I know this is a simple question, but is there any reason i cant use the trans out of an 07 GTP in my 04 regal?
    I believe i remember reading somewhere that the 04 and up transmissions have stronger chains in them.
    2017 GTI 6mt 320whp 400wtq , 2012 Volvo S60 T6 300hp of Swedish safety, (Sold) 2019 Ford Mustang GT. 460 screaming eagles. 2004 Buick Regal GS "Gramps" Intercooled, corn fed, ported g3 m90, 1.9 rockers, 80# injectors.
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  3. #2 Re: 04+ GTP trans Swap into Regal ? 
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    The connector pinouts for the harness connections to the trans may be different. You'll want to look up both cars in AllData or the FSM, and verify the connector pinouts.
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  4. #3 Re: 04+ GTP trans Swap into Regal ? 
    Killa Bee Scottydoggs's Avatar
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    not gonna work. its not the same electrically. and im not talking about the plug pin outs.

    04 regal still has a l67 and the older style tranny.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  5. #4 Re: 04+ GTP trans Swap into Regal ? 
    GT Level Member mguzzo's Avatar
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    so the 04 regal still had 03 trans?
    --
    Current '98 GTP Coupe: Still stock and rust free. That will change.
    Old '98 GTP Coupe: VS Cam, 3.0, S2IC, 42.5#, TOGs, N*/LQ4, Corsa. it once ran a 13 flat
    Older '98 GTP Sedan: Pullied, rockered, SSIC, etc. Stock 14.33 @ 96.5 / PB: 13.89 @ 101
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  6. #5 Re: 04+ GTP trans Swap into Regal ? 
    Killa Bee Scottydoggs's Avatar
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    pretty much. only the grand prix 04 up got the newer engine and stuff.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  7. #6 Re: 04+ GTP trans Swap into Regal ? 
    GTP Level Member 04lss's Avatar
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    So What trans WILL fit into my car?
    2017 GTI 6mt 320whp 400wtq , 2012 Volvo S60 T6 300hp of Swedish safety, (Sold) 2019 Ford Mustang GT. 460 screaming eagles. 2004 Buick Regal GS "Gramps" Intercooled, corn fed, ported g3 m90, 1.9 rockers, 80# injectors.
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  8. #7 Re: 04+ GTP trans Swap into Regal ? 
    GTP Level Member 04lss's Avatar
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    Went to the JY today to look at other options, and their interchange said nothing else fit the 04 regal. I know they had a 2000 GS, and some pre 2004 GTPs. Im guessing their system was wrong but you never know. I didnt see anything super promising. Im looking for something with a clear reason for being in the yard.
    2017 GTI 6mt 320whp 400wtq , 2012 Volvo S60 T6 300hp of Swedish safety, (Sold) 2019 Ford Mustang GT. 460 screaming eagles. 2004 Buick Regal GS "Gramps" Intercooled, corn fed, ported g3 m90, 1.9 rockers, 80# injectors.
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  9. #8 Re: 04+ GTP trans Swap into Regal ? 
    Killa Bee Scottydoggs's Avatar
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    id beg brandon to build one for ya lol worth every dollar.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  10. #9 Re: 04+ GTP trans Swap into Regal ? 
    GTP Level Member 04lss's Avatar
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    Quote Originally Posted by Scottydoggs View Post
    id beg brandon to build one for ya lol worth every dollar.

    Im Sure Brandon does a great job, but my dad is a 40 year ASE master tech. He rebuilt the trans in his GTP a few years ago. The plan is for me to research the parts, and let him build it. He wants to build mine first before we beef his up.
    on that note, the plan is the 4340 input shaft, and GXP chains, plus a rebuild kit. Anything else i need to add in?
    2017 GTI 6mt 320whp 400wtq , 2012 Volvo S60 T6 300hp of Swedish safety, (Sold) 2019 Ford Mustang GT. 460 screaming eagles. 2004 Buick Regal GS "Gramps" Intercooled, corn fed, ported g3 m90, 1.9 rockers, 80# injectors.
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  11. #10 Re: 04+ GTP trans Swap into Regal ? 
    GTP Level Member 04lss's Avatar
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    Side note, sounds like the GXP chain is the HV093 Can anyone confirm?
    2017 GTI 6mt 320whp 400wtq , 2012 Volvo S60 T6 300hp of Swedish safety, (Sold) 2019 Ford Mustang GT. 460 screaming eagles. 2004 Buick Regal GS "Gramps" Intercooled, corn fed, ported g3 m90, 1.9 rockers, 80# injectors.
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  12. #11 Re: 04+ GTP trans Swap into Regal ? 
    Solving problems BrandonHall10's Avatar
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    Quote Originally Posted by 04lss View Post
    Anything else i need to add in?
    Built 4t65e - The results are in.

    I'd pretty much use the list on page 1 minus a few things. You're going with the dual chains vs the single I have spec'd. Aluminum pan... That kind of stuff.

    Quote Originally Posted by 04lss View Post
    Side note, sounds like the GXP chain is the HV093 Can anyone confirm?
    I *believe* the HV093 is the standard replacement chain for all 4T65e's. N/A, SC, V8...
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  13. #12 Re: 04+ GTP trans Swap into Regal ? 
    GTP Level Member 04lss's Avatar
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    Quote Originally Posted by BrandonHall10 View Post
    Built 4t65e - The results are in.

    I'd pretty much use the list on page 1 minus a few things. You're going with the dual chains vs the single I have spec'd. Aluminum pan... That kind of stuff.



    I *believe* the HV093 is the standard replacement chain for all 4T65e's. N/A, SC, V8...


    Id totally go single chain if i knew where to find one. TEP says theyre out of production.

    this thread here says the GXP chain (which has superseeded the older 4t65e chains as a replacement ) is heat treated and stronger. GXP Chain
    2017 GTI 6mt 320whp 400wtq , 2012 Volvo S60 T6 300hp of Swedish safety, (Sold) 2019 Ford Mustang GT. 460 screaming eagles. 2004 Buick Regal GS "Gramps" Intercooled, corn fed, ported g3 m90, 1.9 rockers, 80# injectors.
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  14. #13 Re: 04+ GTP trans Swap into Regal ? 
    Solving problems BrandonHall10's Avatar
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    Quote Originally Posted by 04lss View Post
    Id totally go single chain if i knew where to find one. TEP says theyre out of production.
    To be clear; The chain is still available. That's a standard replacement part for a different application; Aftermarket HV058 Transmission Chain, .875" Wide (42 Links) (Rigid Chain) | eBay

    The gears/sprockets are the unicorns.

    this thread here says the GXP chain (which has superseeded the older 4t65e chains as a replacement ) is heat treated and stronger. GXP Chain
    That sounds right.
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  15. #14 Re: 04+ GTP trans Swap into Regal ? 
    Solving problems BrandonHall10's Avatar
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    IIRC, the 7/8" gears/sprockets are stock parts for the older 4T60 (440-T4) and are modified/machined to work in the 4T65e.
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  16. #15 Re: 04+ GTP trans Swap into Regal ? 
    GTP Level Member 04lss's Avatar
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    Quote Originally Posted by BrandonHall10 View Post
    IIRC, the 7/8" gears/sprockets are stock parts for the older 4T60 (440-T4) and are modified/machined to work in the 4T65e.
    So the question is, would the GXP chain support big power as long as im not launching it. If not, any suggestions on how to get my hands on the right chain/sprokets?
    2017 GTI 6mt 320whp 400wtq , 2012 Volvo S60 T6 300hp of Swedish safety, (Sold) 2019 Ford Mustang GT. 460 screaming eagles. 2004 Buick Regal GS "Gramps" Intercooled, corn fed, ported g3 m90, 1.9 rockers, 80# injectors.
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  17. #16 Re: 04+ GTP trans Swap into Regal ? 
    Solving problems BrandonHall10's Avatar
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    Quote Originally Posted by 04lss View Post
    ...big power...
    Although I'm not able to answer that question, the ones who could are going to want a number. What's your version of big power?
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  18. #17 Re: 04+ GTP trans Swap into Regal ? 
    GTP Level Member 04lss's Avatar
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    Quote Originally Posted by BrandonHall10 View Post
    Although I'm not able to answer that question, the ones who could are going to want a number. What's your version of big power?
    450 ish wheel. The intent is to go turbo but not CRAZY turbo. essentially whatever it takes to get me into the mid 11s
    2017 GTI 6mt 320whp 400wtq , 2012 Volvo S60 T6 300hp of Swedish safety, (Sold) 2019 Ford Mustang GT. 460 screaming eagles. 2004 Buick Regal GS "Gramps" Intercooled, corn fed, ported g3 m90, 1.9 rockers, 80# injectors.
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  19. #18 Re: 04+ GTP trans Swap into Regal ? 
    Turbo is the way to go. BillBoost37's Avatar
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    First off.. who is going to tell me the difference between a 04 Regal SC trans vs an 07 GTP trans? I see people saying it's different and won't work at all and this confuses me.

    I've done a bunch of trans swaps and it'll be the right ratio, electronics being w body to w body are likely the same with the exception of external vs internal pnp switch. Which is two 12mm bolts away from being swapped. Valve body might be different and the limiting factor, I'm no longer sure. Just wondering if anyone remembers the differences for sure.
    I drink..so consider that when reading my posts.

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  20. #19 Re: 04+ GTP trans Swap into Regal ? 
    Solving problems BrandonHall10's Avatar
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    Quote Originally Posted by BillBoost37 View Post
    Just wondering if anyone remembers the differences for sure.
    The manifold pressure switch is definitely different. The 97-03 MPS has 6 switches. The 04+ is a single switch. The valve bodies will be drilled accordingly. I can only assume the logic in the PCM would be different for the different MPS's. (?)

    97-03
    Rostra 50-1004 Transmission Switch, Manifold (Pressure Range Sensor) (4 Prong) | eBay

    04+
    Rostra 50-1018 Transmission Switch, Manifold (Pressure Range Sensor) (1 Prong) | eBay

    Could you swap VB's and range switches and be good? Probably, but I can't guarantee. I never did any parts swapping. Just straight up rebuilds of each type.

    There is also the difference on where the checkball for the TC is located. IIRC, 97-03 is in the cooler fitting. 04+ is in the VB. Not sure that matters all that much though.



    I think.
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