Thread: 284 fail. 4t80e possibly inc.

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  1. #1 284 fail. 4t80e possibly inc. 
    GXP Level Member Timing's Avatar
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    Ok so since my 284 swap was a fail and i have to convert the car back to Auto. I am thinking about a 4t80e swap. I have read through what is listed here on the thread. But am looking for more in detail help.

    This will be bolted to an L32 in a 2004 grand prix. Car is daily driven so i want the trans to be controlled as factory if even possible. What axles do i need? Pretty sure ill need headers cut/rewelded for the bigger trans. Mounts i can fab. Is there going to need to be any body modifications done to fit the trans?

    Trying to collect as much useful information as possible.
    08 MazdaSpeed 3- Treadstone tr8l, Ebay Piping, Ported intake,Thermal gasket, Cs Injector Seals,Cobb intake/inlet, Autotech Internals, Poly mounts, Speed Daddy DP, Magnaflow CB,
    RPF1 17x9 255/45 Direzza Zll
    04 COMPG- Vs, getrag 284 RIP
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  2. #2 Re: 284 fail. 4t80e possibly inc. 
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  3. #3 Re: 284 fail. 4t80e possibly inc. 
    GTX Level Member industrialfish's Avatar
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    Quote Originally Posted by blackspike2710 View Post
    Subscribed.
    Ditto
    2005 GTP - Graystone Metallic|SPO grills&spoiler/SE lip/Carbon Fiber INFERNO hood
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  4. #4 Re: 284 fail. 4t80e possibly inc. 
    I break stuff selliott's Avatar
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    Ask vet he has a ton of info on the 80 swap. Also Dave at TEP has done the swap. What happened to the 284?
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  5. #5 Re: 284 fail. 4t80e possibly inc. 
    Killa Bee Scottydoggs's Avatar
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    Quote Originally Posted by selliott View Post
    Ask vet he has a ton of info on the 80 swap. Also Dave at TEP has done the swap. What happened to the 284?

    lunch.

    that new vendor furches just did a 80 swap im sure hes got some info on tuning or somehow to make it work seamlessly and parts lists needed.

    hes in mass too wink wink.

    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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  6. #6 Re: 284 fail. 4t80e possibly inc. 
    Turbo is the way to go. BillBoost37's Avatar
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    He's right in Indian Orchard at the edge of Springfield.
    I drink..so consider that when reading my posts.

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  7. #7 Re: 284 fail. 4t80e possibly inc. 
    GXP Level Member Timing's Avatar
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    Quote Originally Posted by selliott View Post
    Ask vet he has a ton of info on the 80 swap. Also Dave at TEP has done the swap. What happened to the 284?
    More info in my build thread. Basicly machine shop ****ed me with flywheel, clutch hit bellhousing, **** got warped, bye bye trans.
    08 MazdaSpeed 3- Treadstone tr8l, Ebay Piping, Ported intake,Thermal gasket, Cs Injector Seals,Cobb intake/inlet, Autotech Internals, Poly mounts, Speed Daddy DP, Magnaflow CB,
    RPF1 17x9 255/45 Direzza Zll
    04 COMPG- Vs, getrag 284 RIP
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  8. #8 Re: 284 fail. 4t80e possibly inc. 
    GXP Level Member Turbocharged400sbc's Avatar
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    you might as well just go tube chassis and rear wheel drive
    ~James~ Psychotic Gearhead
    projects: 84 Cressida waGN~ 90 LN3 3800, equal length headers, T70, 89 700r4, misc parts,
    1994 Oldsmobile 442 (462ci-4wd-2 engines) L67/4t80e^2,
    00 Turbo Regal 608 fwhp 575ftlbs at 5500rpm, 98 WhippledRiv, 97 GTP
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  9. #9 Re: 284 fail. 4t80e possibly inc. 
    GXP Level Member Timing's Avatar
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    Quote Originally Posted by Turbocharged400sbc View Post
    you might as well just go tube chassis and rear wheel drive
    ^lols^

    I wish. 4t80e swap cant be that involved can it?
    08 MazdaSpeed 3- Treadstone tr8l, Ebay Piping, Ported intake,Thermal gasket, Cs Injector Seals,Cobb intake/inlet, Autotech Internals, Poly mounts, Speed Daddy DP, Magnaflow CB,
    RPF1 17x9 255/45 Direzza Zll
    04 COMPG- Vs, getrag 284 RIP
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  10. #10 Re: 284 fail. 4t80e possibly inc. 
    GXP Level Member Turbocharged400sbc's Avatar
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    it's been described as being painfull on a level similar to a man giving birth
    ~James~ Psychotic Gearhead
    projects: 84 Cressida waGN~ 90 LN3 3800, equal length headers, T70, 89 700r4, misc parts,
    1994 Oldsmobile 442 (462ci-4wd-2 engines) L67/4t80e^2,
    00 Turbo Regal 608 fwhp 575ftlbs at 5500rpm, 98 WhippledRiv, 97 GTP
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  11. #11 Re: 284 fail. 4t80e possibly inc. 
    I break stuff selliott's Avatar
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    Quote Originally Posted by Turbocharged400sbc View Post
    it's been described as being painfull on a level similar to a man giving birth
    I heard it was a pain but that sounds real bad lol
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  12. #12 Re: 284 fail. 4t80e possibly inc. 
    GXP Level Member Turbocharged400sbc's Avatar
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    somewhere I actually have measurements for the aluminum subframe in the Regal for changing the design of my solid aluminum 80e mounts I did for the 442
    ~James~ Psychotic Gearhead
    projects: 84 Cressida waGN~ 90 LN3 3800, equal length headers, T70, 89 700r4, misc parts,
    1994 Oldsmobile 442 (462ci-4wd-2 engines) L67/4t80e^2,
    00 Turbo Regal 608 fwhp 575ftlbs at 5500rpm, 98 WhippledRiv, 97 GTP
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  13. #13 Re: 284 fail. 4t80e possibly inc. 
    I break stuff selliott's Avatar
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    I thought about the 80 swap myself but I was quickly talked out of it.
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  14. #14 Re: 284 fail. 4t80e possibly inc. 
    GXP Level Member Turbocharged400sbc's Avatar
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    *****
    ~James~ Psychotic Gearhead
    projects: 84 Cressida waGN~ 90 LN3 3800, equal length headers, T70, 89 700r4, misc parts,
    1994 Oldsmobile 442 (462ci-4wd-2 engines) L67/4t80e^2,
    00 Turbo Regal 608 fwhp 575ftlbs at 5500rpm, 98 WhippledRiv, 97 GTP
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  15. #15 Re: 284 fail. 4t80e possibly inc. 
    GTP Level Member 231FUN's Avatar
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    I hate to hijack a thread but it's 4T80 related
    In the last few days I've seen a couple cheap cars that have the Northstar and 4T80 engine trans, one being a Bonneville GXP and the other an Olds Aurora.
    How involved would a 3800 swap in theese cars be if possible?
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  16. #16 Re: 284 fail. 4t80e possibly inc. 
    pssssshhhhhhtt Jomamma's Avatar
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    There was a member on here with a 3800 Aurora, I think his name is max. Bill knows him.
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  17. #17 Re: 284 fail. 4t80e possibly inc. 
    GTP Level Member 231FUN's Avatar
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    Quote Originally Posted by Jomamma View Post
    There was a member on here with a 3800 Aurora, I think his name is max. Bill knows him.
    I know the car too but that wasn't my point, it's a 3800/4t65 Aurora I believe.
    I was talking about Aurora and Bonne gxp's that came stock with the Northstar engine and 4t80 trans combo, just curious if anyone has 3800 swapped one of them and kept the 4t80 with a swapped in 3800?
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  18. #18 Re: 284 fail. 4t80e possibly inc. 
    GXP Level Member 91parkave's Avatar
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    Northstar only come with 4t80e motors in fwd. Refer to turbocharged400sbc above. Just Google him and the build he did will pop up or you can look up Jeff boneVille twincharge 4t80e 3800.

    But yes 3800 will bolt up same as any gm metric bell housing bolt pattern motor
    06 GXP | 222/227 cam/cartuning turbo kit on 8psi/meth/e85 coilovers/ still on stock trans at 130k
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  19. #19 Re: 284 fail. 4t80e possibly inc. 
    GTP Level Member 231FUN's Avatar
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    I didn't think my post was that difficult to understand.
    I know FWD northstar cars came with the 4t80.
    Pontiac Jeffs car was a 96 Bonneville...didn't come with a 4T80
    Turbocharged400sbc's build and Dave at TEP's 4t80 build are also both 4t80 swaps into cars that did not have them in the first place.
    I was looking for an example of some one who did a 3800 swap on a Bonne gxp with the Nothstar/4T80 and pulled the Northstar and shoved a 3.8 in it's place.
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  20. #20 Re: 284 fail. 4t80e possibly inc. 
    GXP Level Member Turbocharged400sbc's Avatar
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    Way too pricey of a car.
    ~James~ Psychotic Gearhead
    projects: 84 Cressida waGN~ 90 LN3 3800, equal length headers, T70, 89 700r4, misc parts,
    1994 Oldsmobile 442 (462ci-4wd-2 engines) L67/4t80e^2,
    00 Turbo Regal 608 fwhp 575ftlbs at 5500rpm, 98 WhippledRiv, 97 GTP
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