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  1. #1
    Join Date
    Nov 2010
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    Twin Turbo 1968 Camaro Bad Intent V 2.0

    So after finishing my Medium Budget Build I decided to Reboot the system and make some modifications.

    Before ... the car had a blueprint crate engine with minor modifications, 700r4 tranny, Ford 9" in rearend, Hotchkis suspension, Kore 3 brakes, Bonspeed Wheels Jag-X 18x8 19x9 wheels, full Jl audio stereo, and DS Speed Electrical, Headlight Assembly, Ariza Racing Seats, Spintech side exhaust, AGR Billet Steering Box, Ididit Steering Column, BeCool 1000 hp Radiator and lots of other things

    V 2.0..
    C&S specialities blow through carb, twin 70mm C&S specialties, Upgrade Fuel System, ridetech Vented Gas Cap, Autometer American Muscle Series Gauges, Fesler Built Trunk Hinges and battery Relocated to the back.

    Reasons... Well when you drive a single turbo supra, a naturally aspirated old school style 383 can feel pretty slow. I enjoyed the car, for handling purposes but as fare as brutal speed and just the feel of the rush when driving the car was not there. Also my brother picked up a Zl1 Camaro and when we went on cruises it was a true struggle to stay with him during most hard accelerations. Thus the bug bit.. I wanted that feel.



    Option 1 Procharger
    Option 2 Twin turbos
    Option 3 Nitrous

    After talking to the people at C&S specialties about my engine setup, I was sold on twin turbos... and thus it was time to see what an old school 4 bolt 383 with hyper eutectic pistons can manage.

    Goals,
    I will run about 16 lbs of boost, 93 Octane fuel. Hopefully I will be making around 900 hp at the crank and lot of torque, however this will just be sleeper type car. No drag radials, or big intercooler up front. Just old school style power in a world we lots of us are heading to LS swaps and modern powertrains

    Weakness
    Hyper Eutectic Pistons, None forged internals, 4 bolt block, not an Aluminum dart block, No intercooler, No meth injection (aka hot air being force in the intake) 275's out rear (skinny tires for the amount of power) and the 700r4 not being to take that type of power.

    Conclusion
    This will be interesting.. in terms of how good this system will work and how long it will last! Good luck to me

    68 Camaro RS twin turbo
    https://www.pro-touring.com/threads/...d-Intent-V-2-0

    1993 Toyota Supra 6768 Built Single Turbo


    Slow Lifted Jeep No TURBO :(

    Randal F


  2. #2
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    Nov 2010
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    At first thought I was planning on running fuel injection, the Holley Efi setup up due to the fact that I have an holley refi manifold sitting around in my basement but due to initial thoughts of the swap I decided against it and was hoping to keep money in my pocket Especially since I had no idea the changes in the fuel system needed to run this setup.

    I needed a return line, and electric fuel pump capable of pumping a ton a fuel and hoses big enough to support the massive amount of fuel the pump would pump. The Holley Black would fit my needs perfectly with a Billet pre filter and Earls Post filter. And RobbMC Fuel sending unit with a return line, to modify my stock 68 tank with the needs to make this happen



    the robbmc unit



    and the holley black unit in it's new home
    68 Camaro RS twin turbo
    https://www.pro-touring.com/threads/...d-Intent-V-2-0

    1993 Toyota Supra 6768 Built Single Turbo


    Slow Lifted Jeep No TURBO :(

    Randal F

  3. #3
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    Nov 2010
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    Now here is where the true problem started... I end up buying a cxracing piping kit in order to have a simple plug and play system for the turbos to work... but like most things with cars, nothing is a simple as seems and because nelson racing $$$$$ is the the only people to make a plug and play sbc camaro turbo kit I was forced to try and get something close... a kit that worked for a chevelle! Well long story short because the headers have that slight angle at the end, my huge 70mm turbos would not fit with out cutting the inner fenders, and with that sad, because of my 245's even cutting might cause the turbos to rub on the tires during full compression on a tight turn. Thus these turbo headers are scrapped and for sale, and new set should arrive tomorrow with what i hope is much better luck

    see look at how close they sit and the passenger side is much worse



    passenger side



    It barely could be bolted on! Well more pics to come when the new kit arrives, my fingers are crossed
    68 Camaro RS twin turbo
    https://www.pro-touring.com/threads/...d-Intent-V-2-0

    1993 Toyota Supra 6768 Built Single Turbo


    Slow Lifted Jeep No TURBO :(

    Randal F

  4. #4
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    Nov 2010
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    So after waiting about 3 weeks for OBX turbo manifold to come, they decided to finally show up and was much to long! Thus we went back to the CX Racing Manifold and decided to change them. Luckily the guy who I bought them from gave me a full refund without a hesitation without the shipping. However as we begin to mock them up we are running into another problem.... Running an air filter on the turbos with literally no room.

    Any Suggestions?

    Running 70mm turbos in a 1968 Camaro RS without cutting inner fenders is not for the faint of heart


    You can see the new angle of the cut, pushing the turbo inward instead of outwards


    and you can see it again here plus the new carb and Top Hat Looks Narly


    AS you can see how close this thing is to the support... hopefully we can make a little more room! This is crazy these turbos are freakin huge! 7 to 10 pounds spring in each wastegate should make this puppy insane to drive!
    68 Camaro RS twin turbo
    https://www.pro-touring.com/threads/...d-Intent-V-2-0

    1993 Toyota Supra 6768 Built Single Turbo


    Slow Lifted Jeep No TURBO :(

    Randal F

  5. #5
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    Nov 2010
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    Well Good Old progress!! Got the hot side ready on the hard part of the car (driver side) Plus A good shot of my suspension goodies! Now on the driver side





    68 Camaro RS twin turbo
    https://www.pro-touring.com/threads/...d-Intent-V-2-0

    1993 Toyota Supra 6768 Built Single Turbo


    Slow Lifted Jeep No TURBO :(

    Randal F

  6. #6
    Join Date
    Jun 2006
    Location
    TX
    Posts
    177
    That's a tight fit!
    Kyle

  7. #7
    Join Date
    May 2011
    Location
    Scottsdale, AZ
    Posts
    67
    Country Flag: United States
    That is an inspiring start! I especially like the 1/2" fuel pick up and return. That is a very tight application, but after a bit of cutting and welding it will be beautiful!
    Courage is being scared to death... and saddling up anyway.
    -John Wayne-

  8. #8
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    Nov 2010
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    Quote Originally Posted by Hondo78 View Post
    That is an inspiring start! I especially like the 1/2" fuel pick up and return. That is a very tight application, but after a bit of cutting and welding it will be beautiful!
    Yea its pretty cool! I never thought I would run a line like that in my life... much less too! And thank you



    Quote Originally Posted by HotRod68Camaro View Post
    That's a tight fit!
    Yep So tight that header wrap is actually required :(
    68 Camaro RS twin turbo
    https://www.pro-touring.com/threads/...d-Intent-V-2-0

    1993 Toyota Supra 6768 Built Single Turbo


    Slow Lifted Jeep No TURBO :(

    Randal F

  9. #9
    Join Date
    Feb 2010
    Posts
    150
    Really cool build! I hav a budget turbo 68 camaro as well so I am very interested in this.

    As for the air filter.....

    K&N makes some really short filters or you might be able to squeeza a "mushroom" filter in there. If neither work you can always go with a tubroguard screen. Just don't spend a bunch of time driving in rain.

  10. #10
    Join Date
    Feb 2013
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    1,279
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    Nice work. That Supra..... I need it.


    Ridetech Suspsension
    Tech Specialist
    Phone: 812.481.4734

    Project Fox
    1979 Trans Am

  11. #11
    Join Date
    Aug 2004
    Location
    Frisco, Texas
    Posts
    320
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    Twin Turbo 1968 Camaro Bad Intent V 2.0

    Your combo will work. Who knows how long it'll stay together. Maybe forever.

    I did something similar with a 406 but had the aftermarket block and forged bottom end. You didn't mention compression ratio but I was at 8.3:1 with15psi 93 octane, no cooler, CSU carb, twin 60mm Precision turbos. 925fwhp, 850tq. I was running 285/40/17 in back and they didn't stand a chance. It was a blast.

  12. #12
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    Nov 2010
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    Quote Originally Posted by the owl View Post
    Really cool build! I hav a budget turbo 68 camaro as well so I am very interested in this.

    As for the air filter.....

    K&N makes some really short filters or you might be able to squeeza a "mushroom" filter in there. If neither work you can always go with a tubroguard screen. Just don't spend a bunch of time driving in rain.

    Well Post a picture on this thread! I would love to see what you did and how your car looks... and I found a filter that would work. A Spectra HPR9833. They are cylindrical. I thought about the turbo guard and mushroom filter and leaned toward the turbo guard but i like to daily this car sometimes so I wanted a full filter. Maybe turbo guard on more spirited driving occasions
    68 Camaro RS twin turbo
    https://www.pro-touring.com/threads/...d-Intent-V-2-0

    1993 Toyota Supra 6768 Built Single Turbo


    Slow Lifted Jeep No TURBO :(

    Randal F

  13. #13
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    Nov 2010
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    Quote Originally Posted by [email protected]ridetech View Post
    Nice work. That Supra..... I need it.
    Than You and your fox body is beautiful ! The supra.. well is fun ... to say the least!
    68 Camaro RS twin turbo
    https://www.pro-touring.com/threads/...d-Intent-V-2-0

    1993 Toyota Supra 6768 Built Single Turbo


    Slow Lifted Jeep No TURBO :(

    Randal F

  14. #14
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    Nov 2010
    Posts
    1,391
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    Quote Originally Posted by Y-TRY View Post
    Your combo will work. Who knows how long it'll stay together. Maybe forever.

    I did something similar with a 406 but had the aftermarket block and forged bottom end. You didn't mention compression ratio but I was at 8.3:1 with15psi 93 octane, no cooler, CSU carb, twin 60mm Precision turbos. 925fwhp, 850tq. I was running 285/40/17 in back and they didn't stand a chance. It was a blast.
    WOOD Those are crazy numbers there! I can't wait to see how this car moves. My fingers are crossed on the block and tranny. I have eyed some replacements for the tranny (same 700 r4) that can take this kind of power, but they cost a lot.

    I will be running about 9 pounds in the beginning and will slowly crank up the boost as it becomes more normal. I have driven my turbo supra a lot and its an animal.. but I want to take this slow

    Compression is 9.5:1 and what ever happened to it? Post a pic on the thread if you have it I would love to see it !

    - - - Updated - - -

    Finally... got both sides mocked up... down pipes and turbos situated! The cold side will start soon the trick past will be the waste gates and blow off valves i thing, but the cowl hood brace will be needing a nice trim! Hopefully we will be starting it up this weekend.. if the final touches of the electric goes well!

    Probably won't run mufflers on it for some time and all still need to brace the turbos as well

    Here is some engine porn

    68 Camaro RS twin turbo
    https://www.pro-touring.com/threads/...d-Intent-V-2-0

    1993 Toyota Supra 6768 Built Single Turbo


    Slow Lifted Jeep No TURBO :(

    Randal F

  15. #15
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    Feb 2013
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    Quote Originally Posted by rfalker1 View Post
    Than You and your fox body is beautiful ! The supra.. well is fun ... to say the least!
    Thanks! The fox is coming along finally. I can only imagine how fun the Supra is, lol.


    Ridetech Suspsension
    Tech Specialist
    Phone: 812.481.4734

    Project Fox
    1979 Trans Am

  16. #16
    Join Date
    Nov 2006
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    Ma.
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    It looks great all tucked in there. It's amazing how quick the realestate gets eaten up after putting all the fun stuff in.
    Wayne
    Car FINALLY home !!!!!! lol
    Project FNQUIK https://www.pro-touring.com/showthre...ghlight=FNQUIK

  17. #17
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    Nov 2010
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    Quote Originally Posted by [email protected]ridetech View Post
    Thanks! The fox is coming along finally. I can only imagine how fun the Supra is, lol.
    The Supra is fun... pretty iconic with the sound it makes and just the whole feel of the car. And your fox is amazing, the under bracing paint and everything you have done . Back when I was looking for possible drift cars i want a fox for it style but now i want a rock bouncer ! But still I love the fox
    68 Camaro RS twin turbo
    https://www.pro-touring.com/threads/...d-Intent-V-2-0

    1993 Toyota Supra 6768 Built Single Turbo


    Slow Lifted Jeep No TURBO :(

    Randal F

  18. #18
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    Nov 2010
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    Quote Originally Posted by Motown 454 View Post
    It looks great all tucked in there. It's amazing how quick the realestate gets eaten up after putting all the fun stuff in.
    Yea it does! I see why people slap a procharger on them and call it a day! And now I have to cut some of the inside of my hood :(
    68 Camaro RS twin turbo
    https://www.pro-touring.com/threads/...d-Intent-V-2-0

    1993 Toyota Supra 6768 Built Single Turbo


    Slow Lifted Jeep No TURBO :(

    Randal F

  19. #19
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    Nov 2010
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    Well the cold side is done.. It was a tough weld because of the coating of the piping butt we managed! You can see those massive wastage's that need to be mounted!





    68 Camaro RS twin turbo
    https://www.pro-touring.com/threads/...d-Intent-V-2-0

    1993 Toyota Supra 6768 Built Single Turbo


    Slow Lifted Jeep No TURBO :(

    Randal F

  20. #20
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    Nov 2010
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    I think it looks like a sleeper




    68 Camaro RS twin turbo
    https://www.pro-touring.com/threads/...d-Intent-V-2-0

    1993 Toyota Supra 6768 Built Single Turbo


    Slow Lifted Jeep No TURBO :(

    Randal F

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