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Thread: Put a Mustang transmission in my Daily Driver Lexus? Why not? (Video)

  1. #1
    Bamskee DarkTactics's Avatar

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    Put a Mustang transmission in my Daily Driver Lexus? Why not? (Video)

    2002 Lexus IS 300 with a GTE swap running a Precision 6266 with supporting mods. Car was meant to just be a good daily driver which turned into "sleeper" more often than not. Wastegate is recirculated, still has stock muffler with a vacuum actuated dump just before it.

    It's the first IS in the world with a Mustang 6R80 transmission (6 Speed Auto). I do hope to get some higher quality video soon. Hard to do it yourself.



    • Quick Spool Valve, T4 Log Manifold, Gen 2 Precision 6266 Turbo
    • AEM Infinity ECU
    • FACTORY shifter (Leveraged a Fox Body Shifter Cable)
    • FACTORY steering wheel shift buttons (For Manual Shifting)
    • Everything is bolt in (Can literally swap this to any other IS)
    • Custom Trans mount
    • CCI Custom 3.5" Aluminum Driveshaft
    • Circle D Custom Torque Converter
    • Used 6R80 with Custom Billet Bellhousing
    • US Quick Shift 6 Trans Controller, tied into to AEM Infinity
    • Rear Mounted Trans Cooler


    Car made 500+whp at 19PSI. Breaking in this setup and working out any kinks over the Michigan winter, and will turn up the boost once spring hits





    (My buddy alex who helped make this a reality)










    Last edited by DarkTactics; 01-05-2021 at 01:24 AM.

  2. #2
    Registered Member Black96lt1's Avatar

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    That's a pretty cool little sleeper

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    better than Bryce silverSS's Avatar

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    I guess my only question is "why"? Definitely cool though.

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    LIFE IS GOOD HybridZ28's Avatar

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    Pretty sneaky with that black front mount. I like it!!

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    R.I.P PCED: 6-28-2020 5.0THIS's Avatar

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    Seems like a ton of work. I would have just LS swapped it for half the cost and effort.

  6. #6
    Registered Member torch318's Avatar

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    So how are you controlling the trans?

    Sent from my SM-G950U using Tapatalk

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    Bamskee DarkTactics's Avatar

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    Quote Originally Posted by torch318 View Post
    So how are you controlling the trans?

    Sent from my SM-G950U using Tapatalk
    It's in the list and video. US Quickshift Trans Controller pretty solid unit, plugs right into the trans, and just had to wire a few things into it. (RPM, Shift Buttons, Manual Button, etc)

  8. #8
    Team Hobbit windham's Avatar

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    What was the reason for the trans swap? Is the FoMoCo unit stronger or quicker shifting than the Lexus trans? Would the stock unit not hold up to the power level you are hitting?

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    Whataburger > *
    Dr Griswold's Avatar

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    Badass. Swaps FTW

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    Super Dee Duper Moderator
    98 SNAKE EATER's Avatar

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    Sweet

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    SPECIAL DARK HOTCIVIC's Avatar

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    DANSBIRD's Avatar

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    Quote Originally Posted by windham View Post
    What was the reason for the trans swap? Is the FoMoCo unit stronger or quicker shifting than the Lexus trans? Would the stock unit not hold up to the power level you are hitting?
    I was wondering this, as well.

  13. #13
    Bamskee DarkTactics's Avatar

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    Quote Originally Posted by windham View Post
    What was the reason for the trans swap? Is the FoMoCo unit stronger or quicker shifting than the Lexus trans? Would the stock unit not hold up to the power level you are hitting?
    Yep, big time. The 6R80 is good for 700WTQ in stock form and about 1K hp. The factory a650 even after being built pooped out after 2 months of driving at only 19PSI (550whp).

    Especially around Detroit, I have a trans that I can find plenty of parts / replacements / etc for, and it is a 6 speed. The shifts are definitely faster and keeps me perfectly in peak power band which is huge.

    The biggest advantage is old trans tech vs new...

    I have full control of shift points, shift firmness, TCC lock, a transbrake is built in, and I can switch performance maps on the fly. (So it can be like a factory luxury car, or full race mode)
    Last edited by DarkTactics; 01-17-2021 at 01:07 AM.

  14. #14
    Team Hobbit windham's Avatar

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    Quote Originally Posted by DarkTactics View Post
    Yep, big time. The 6R80 is good for 700WTQ in stock form and about 1K hp. The factory a650 even after being built pooped out after 2 months of driving at only 19PSI (550whp).

    Especially around Detroit, I have a trans that I can find plenty of parts / replacements / etc for, and it is a 6 speed. The shifts are definitely faster and keeps me perfectly in peak power band which is huge.

    The biggest advantage is old trans tech vs new...

    I have full control of shift points, shift firmness, TCC lock, a transbrake is built in, and I can switch performance maps on the fly. (So it can be like a factory luxury car, or full race mode)
    Sweet

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    DANSBIRD's Avatar

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    thanks for the explanation.

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    Custom User Title Hobbes's Avatar

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    Wow, that's really impressive. Your car(s) are sick

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    Bamskee DarkTactics's Avatar

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    Quote Originally Posted by Hobbes View Post
    Wow, that's really impressive. Your car(s) are sick
    Thanks! I think I have a problem, as the fleet is rather large, and I don't wanna get rid of any until I know what I'm doing





  18. #18
    R.I.P PCED: 6-28-2020 5.0THIS's Avatar

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    Yeah the whole multiple 3000GTs thing is.... strange.

    But you like fast cars so it could be worse.


    I mean at least you don’t own a Toyota landcruiser.
    Last edited by 5.0THIS; 01-21-2021 at 08:02 AM.

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    Registered Member Fastpace's Avatar

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    Quote Originally Posted by 5.0THIS View Post
    Yeah the whole multiple 3000GTs thing is.... strange.

    But you like fast cars so it could be worse.


    I mean at least you donít own a Toyota landcruiser.
    Would be strange for a normal person but not for OP.

    Darktactics, how many 3/Ss have you owned or had possession of? I think by the time we were out of high school you were over 10.

    Sent from my SM-N950U using Tapatalk

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    better than Bryce silverSS's Avatar

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    I always wanted a Stealth RT/TT but the horror stories kept me away. Now they are all either beat to shit or never driven and crazy priced.

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    R.I.P PCED: 6-28-2020 5.0THIS's Avatar

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    Quote Originally Posted by silverSS View Post
    Now they are all either beat to shit or never driven and crazy priced.
    I always seem to be shopping vehicles that fall into that category.

  22. #22
    Bamskee DarkTactics's Avatar

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    Quote Originally Posted by Fastpace View Post
    Would be strange for a normal person but not for OP.

    Darktactics, how many 3/Ss have you owned or had possession of? I think by the time we were out of high school you were over 10.

    Sent from my SM-N950U using Tapatalk
    Oh man. I've probably owned 40-50 at this point. There are others who put me to shame nearby, but it helped pay for college and helped me keep a healthy collection of spare parts. I honestly need to figure out which ones to keep.


    91 VR-4 - first car I ever owned... do you really get rid of that? (I've been leaning more so ever than before)
    97 VR-4 - perfect amount of mods. Perfect driver. 76k miles.
    99 VR-4 - 11k original miles, fully built stroker motor, needs some work, but 11,209 ORIGINAL miles, I'm the second owner. 1 of 287 in existence.
    95 Stealth - The only car I have with the pop out roof... 86k miles.
    Last edited by DarkTactics; 01-23-2021 at 10:21 PM.

  23. #23
    Registered Member Jake the SSnake's Avatar

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    Quote Originally Posted by 5.0THIS View Post
    Yeah the whole multiple 3000GTs thing is.... strange.

    But you like fast cars so it could be worse.


    I mean at least you don’t own a Toyota landcruiser.
    What's wrong with Land cruisers?

  24. #24
    R.I.P PCED: 6-28-2020 5.0THIS's Avatar

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    Quote Originally Posted by Jake the SSnake View Post
    What's wrong with Land cruisers?
    Somebody has to be anti- landcruiser/scion to counter all of Rich’s spam.

  25. #25
    Registered Member Jake the SSnake's Avatar

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    Quote Originally Posted by 5.0THIS View Post
    Somebody has to be anti- landcruiser/scion to counter all of Rich’s spam.
    I think he's probably the only one that isn't anti scion lol.

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