Thread: Twin engine GTP project progress thread

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  1. #441 Re: Twin engine GTP project progress thread 
    GTP Level Member TwinV6GTP's Avatar
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    How about AWD donuts

    2015 Custom Twin Engine Nascar style car with dual GTP 3.8 drivetrain, Front trans 4T65e-HD, Rear 4t80e trans 1/4 mile 8.38 @ 165mph
    2000 GP Twin Engine Twin TD Turbo kits. Stock engines stock trans(s) stock injectors stock MAFs 0-60mph 1.8 seconds 1/4 mile 9.72 @ 139 mph
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  2. #442 Re: Twin engine GTP project progress thread 
    Moderator Russosaur's Avatar
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    That thing is nuts

    Sent from BFE
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  3. #443 Re: Twin engine GTP project progress thread 
    Gun nut and III percenter TexasTanker19kilo20's Avatar
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    Such a nice setup and the donuts were insane.
    Goldie 98 Topaz Gold GTP (retired)/ Shadow 06 GTO 6.0 Phantom Black Metallic- traded in. Now cruising a 2005 GMC Sierra 2500 HD 4x4 with the always fun 6.0L
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  4. #444 Re: Twin engine GTP project progress thread 
    Donating Users smitz327's Avatar
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    That is sick man, awesome
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  5. #445 Re: Twin engine GTP project progress thread 
    GTP Level Member TwinV6GTP's Avatar
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    Miss the car already it will be a long winter
    2015 Custom Twin Engine Nascar style car with dual GTP 3.8 drivetrain, Front trans 4T65e-HD, Rear 4t80e trans 1/4 mile 8.38 @ 165mph
    2000 GP Twin Engine Twin TD Turbo kits. Stock engines stock trans(s) stock injectors stock MAFs 0-60mph 1.8 seconds 1/4 mile 9.72 @ 139 mph
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  6. #446 Re: Twin engine GTP project progress thread 
    Donating Users 16MustangVet's Avatar
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    Cmon man its AWD why park it?!
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  7. #447 Re: Twin engine GTP project progress thread 
    GTP Level Member TwinV6GTP's Avatar
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    Too many cars. Too dangerous to get in an accident in a car not truly street legal.
    2015 Custom Twin Engine Nascar style car with dual GTP 3.8 drivetrain, Front trans 4T65e-HD, Rear 4t80e trans 1/4 mile 8.38 @ 165mph
    2000 GP Twin Engine Twin TD Turbo kits. Stock engines stock trans(s) stock injectors stock MAFs 0-60mph 1.8 seconds 1/4 mile 9.72 @ 139 mph
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  8. #448 Re: Twin engine GTP project progress thread 
    GTP Level Member TwinV6GTP's Avatar
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    M

    My winter car. 4.6l v8 awd 360hp
    2015 Custom Twin Engine Nascar style car with dual GTP 3.8 drivetrain, Front trans 4T65e-HD, Rear 4t80e trans 1/4 mile 8.38 @ 165mph
    2000 GP Twin Engine Twin TD Turbo kits. Stock engines stock trans(s) stock injectors stock MAFs 0-60mph 1.8 seconds 1/4 mile 9.72 @ 139 mph
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  9. #449 Re: Twin engine GTP project progress thread 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    X5's are prolly one of thee most costly cars to own ever.

    AWD with winter tires and they are beasts though.

    SMGPFC Member #1
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  10. #450 Re: Twin engine GTP project progress thread 
    I live here. Slick2500's Avatar
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    Quote Originally Posted by TwinV6GTP View Post
    How about AWD donuts

    2003 Redfire Metallic Chevy Tahoe Z71 - Airaid Modular Intake Tube, Flowmaster Exhaust.
    Quote Originally Posted by The Sunfire Guy
    Superchargers take away horsepower
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  11. #451 Re: Twin engine GTP project progress thread 
    GTP Level Member TwinV6GTP's Avatar
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    Quote Originally Posted by Fivefingerdeathpunch View Post
    X5's are prolly one of thee most costly cars to own ever.

    AWD with winter tires and they are beasts though.
    it can be. Especially this special edition super rare 4.6is version

    20" rims 315 wide rear tires. It has four new pirelli winter tires on. Works great on snow. Not as good on slush. for that I use my duramax.

    The 4.6is engine is so rare. They are impossible find. Same goes with the sprcial version on the transmission.
    So it can get expensive fast if they fail.

    You guys should hear the sound system in it.. its the premium version 14 speakers including 2 factory subs
    Last edited by TwinV6GTP; 11-25-2014 at 12:50 AM.
    2015 Custom Twin Engine Nascar style car with dual GTP 3.8 drivetrain, Front trans 4T65e-HD, Rear 4t80e trans 1/4 mile 8.38 @ 165mph
    2000 GP Twin Engine Twin TD Turbo kits. Stock engines stock trans(s) stock injectors stock MAFs 0-60mph 1.8 seconds 1/4 mile 9.72 @ 139 mph
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  12. #452 Re: Twin engine GTP project progress thread 
    GTP Level Member TwinV6GTP's Avatar
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    Quote Originally Posted by Slick2500 View Post
    Lol
    2015 Custom Twin Engine Nascar style car with dual GTP 3.8 drivetrain, Front trans 4T65e-HD, Rear 4t80e trans 1/4 mile 8.38 @ 165mph
    2000 GP Twin Engine Twin TD Turbo kits. Stock engines stock trans(s) stock injectors stock MAFs 0-60mph 1.8 seconds 1/4 mile 9.72 @ 139 mph
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  13. #453 Re: Twin engine GTP project progress thread 
    GTP Level Member TwinV6GTP's Avatar
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    Quote Originally Posted by TwinV6GTP View Post
    M

    My winter car. 4.6l v8 awd 360hp
    Ran 14.6 at 95 mph today with a 2.2 60 foot. 0-60mph in 6.1 seconds. That's with a TD intake mod which gave it 1 tenth improvement in the 1/4.
    Those BMW 4.6L have a lot of top end being dual overhead aggressive cam design (Alpina design). But they don't have enough torque for the 5150lbs curb weight + driver.
    If the torque converter was 600-1000 RPM higher, you can tell it would be much quicker (2 tenths easily).

    0-60mph on dirt road is 6.3 seconds, 60 foot just 1 tenth slower. Lots of traction.
    2015 Custom Twin Engine Nascar style car with dual GTP 3.8 drivetrain, Front trans 4T65e-HD, Rear 4t80e trans 1/4 mile 8.38 @ 165mph
    2000 GP Twin Engine Twin TD Turbo kits. Stock engines stock trans(s) stock injectors stock MAFs 0-60mph 1.8 seconds 1/4 mile 9.72 @ 139 mph
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  14. #454 Re: Twin engine GTP project progress thread 
    GTX Level Member SnowTh1ef's Avatar
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    Sounds like a fun car to drive! Needs moar turbo.
    04 GTP -HAI, 1.9 rockers.
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  15. #455 Re: Twin engine GTP project progress thread 
    GTP Level Member TwinV6GTP's Avatar
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    Quote Originally Posted by SnowTh1ef View Post
    Sounds like a fun car to drive! Needs moar turbo.
    It will be hard not to turbo it...

    I'm resisting so far but today was doing more serious research on the platform. Engine is supposed to be bulletproof but high compression.
    Stock N/A it's a 91 octane minimum engine. So it will need meth injection to be able to make over 6 psi of boost.
    And the trans in that particular model is stronger (more friction plates). I read about one Supercharged 475HP for a very large amount of miles.
    Makes me think it could take the power if kept reasonable (sub 10 psi)

    With trans tuning (it's got a ton of torque management) it is 2 tenths quicker.
    at 10 psi of boost it would be a mid to low 13 second SUV, enough to beat a stock SRT-8 jeep.
    2015 Custom Twin Engine Nascar style car with dual GTP 3.8 drivetrain, Front trans 4T65e-HD, Rear 4t80e trans 1/4 mile 8.38 @ 165mph
    2000 GP Twin Engine Twin TD Turbo kits. Stock engines stock trans(s) stock injectors stock MAFs 0-60mph 1.8 seconds 1/4 mile 9.72 @ 139 mph
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  16. #456 Re: Twin engine GTP project progress thread 
    GXP Level Member Turbocharged400sbc's Avatar
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    you decide on the new body/chassis yet? i know you said some dude was interested in the 3rd gen gp

    btw i found the crossover parts to use metric GM circle track parts with the FWD knuckles so you can ditch the wimpy oem LCA and get rid of the toe out under power flex
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    00 Turbo Regal 608 fwhp 575ftlbs at 5500rpm, 98 WhippledRiv, 97 GTP
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  17. #457 Re: Twin engine GTP project progress thread 
    GTP Level Member TwinV6GTP's Avatar
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    Quote Originally Posted by Turbocharged400sbc View Post
    you decide on the new body/chassis yet? i know you said some dude was interested in the 3rd gen gp

    btw i found the crossover parts to use metric GM circle track parts with the FWD knuckles so you can ditch the wimpy oem LCA and get rid of the toe out under power flex
    Nice, any links pictures and price ?

    I'll have more budget to throw around this year into the project. Still looking on leads for built 4t65hd and a LSD as well.
    Will also want to update teh 4t80e to the latest valve body mods and whatever I can do to make it not drop out of gear when launching with a lot of boost.
    So far new trans is OK and withheld a lot of power/torque without failing. However I lost my 4th gear, being a 3.71 gear ratio I top out before the 1/8 mile with the rear trans.
    I need 3.11 and I would love to be able to use 4th gear.

    I eventually wanted to do 1/2 mile racing perhaps more once I get the car to go 100% straight under power and when I have the proper gearing.

    And to answer your question, no not fully decided, I like the looks of my special edition 2007 but I know I'll be carrying 100-175lbs more with the switch.

    The other reason I want to switch is there was too many 97-2003 GPs done over the year, I want something unique looking at the drag strip.
    My Welder is unsure if he wants to buy anymore. 8K is a lot for a second car (he has a new Subaru STI as a summer car)
    2015 Custom Twin Engine Nascar style car with dual GTP 3.8 drivetrain, Front trans 4T65e-HD, Rear 4t80e trans 1/4 mile 8.38 @ 165mph
    2000 GP Twin Engine Twin TD Turbo kits. Stock engines stock trans(s) stock injectors stock MAFs 0-60mph 1.8 seconds 1/4 mile 9.72 @ 139 mph
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  18. #458 Re: Twin engine GTP project progress thread 
    GTX Level Member SnowTh1ef's Avatar
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    Quote Originally Posted by TwinV6GTP View Post
    It will be hard not to turbo it...

    I'm resisting so far but today was doing more serious research on the platform. Engine is supposed to be bulletproof but high compression.
    Stock N/A it's a 91 octane minimum engine. So it will need meth injection to be able to make over 6 psi of boost.
    And the trans in that particular model is stronger (more friction plates). I read about one Supercharged 475HP for a very large amount of miles.
    Makes me think it could take the power if kept reasonable (sub 10 psi)

    With trans tuning (it's got a ton of torque management) it is 2 tenths quicker.
    at 10 psi of boost it would be a mid to low 13 second SUV, enough to beat a stock SRT-8 jeep.

    That would be sick... Do it.
    04 GTP -HAI, 1.9 rockers.
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  19. #459 Re: Twin engine GTP project progress thread 
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    Ha! A weaponized Grand Prix. I *LIKE* it! :)
    Black 1998 GT Coupe
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  20. #460 Re: Twin engine GTP project progress thread 
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    someone give this man 50k so he can deck out both powertrains lol...
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