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    Thread: T56 vs 750hp

    1. #1
      Join Date
      Sep 2002
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      T56 vs 750hp

      T56 Lost! I guess I'm not suprised...
      This trans was babied...(No powershifting or Hard Launching)
      I usually do power pulls in 3rd and 4th.
      3rd at 7000rpm is where it let go. 750hp!

      Time for a G-Force rebuild....





      Ron DeRaad
      68 Camaro RSx
      Darton Sleeved LS9 - 434ci (4.155x4.00)
      AFR LSX245 Heads (12:1cr)
      660hp/588tq


    2. #2
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      May 2005
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      That sux!

      You still have a BAD camaro on your hands

    3. #3
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      Ron, it looks like you have a teeth meashing problem, just to let you know, ouch,
      Steve68- 1968 Camaro SS LSX T56, 12bolt 3:90's, 18" Fikse Profil 13s, Deep Fathom Green paint, Spearcos, just bunch of old junk because another member said so, LOL



      70 Nova SS street/drag 454, T400, 3:55, ugly!

    4. #4
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      Ron,

      I am pretty surprised that it would let go like that. At 7000 RPM in 3rd gear you must have been going well over 100 MPH. If you say your making 750HP at 7000 RPM thats about 560 lb/ft. Who knows, obviously it broke..LOL

      Is this a Mustang Cobra T56?

      Andrew
      1970 GTO Version 3.0
      1967 Cougar build
      GM High-Tech Performance feature
      My YouTube Channel Please Subscribe!
      Instagram @dr__efi
      I deliver what EFI promises.
      Remote Holley EFI tuning.
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      "You were the gun, your voice was the trigger, your bravery was the barrel, your eyes were the bullets." ~ Her

    5. #5
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      Damn Ron!!!! You did that one up right!!!! Well, I guess you were at least having fun when it happened.
      Allen Ortega
      Meanstreets Performance Fabrication

      ---------------------------------------

      Vegetarians are the reason for global warming

    6. #6
      Join Date
      Mar 2005
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      151
      crap man, i've powershifted the hell out of mine. 40k before i got it , about 20 k after and it's not hiccuped. I really figured the winter with 300# of sandbags waaaaay too much powershifting and stock 7.5 inch gear would have broken something. but it's still going. best money i've ever spent.....
      330 H.O. gm crate, edelbrock carb/intake, headman headers,T-56 6 speed, mcleod clutch, hurst shifter looking for a home.
      1969 Camaro- under eternal restoration

    7. #7
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      I've done that,I had D&D performance build me a bulletproof T-56,A stock one is good but not blow proof.

    8. #8
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      Quote Originally Posted by andrewb70
      Ron,

      I am pretty surprised that it would let go like that. At 7000 RPM in 3rd gear you must have been going well over 100 MPH. If you say your making 750HP at 7000 RPM thats about 560 lb/ft. Who knows, obviously it broke..LOL

      Is this a Mustang Cobra T56?

      Andrew
      Andrew, It is the Cobra/Z06 gear set 2.97 1st. I was expecting it to die at some point. I guess the input shaft gear is the weakest point. I was going up a hill and yes I was going the speed limit the whole time.
      Ron DeRaad
      68 Camaro RSx
      Darton Sleeved LS9 - 434ci (4.155x4.00)
      AFR LSX245 Heads (12:1cr)
      660hp/588tq

    9. #9
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      I really, really, really wanted the G-Force T5 Dog Ring straight cut racing box, BUT I was convinced the G-Force T56 rebuild was the best way to go with my set-up. G-force was not recommending anything over 600hp on the T5, but I know people have been. The G-Force equipped T56 they say is good for 1000hp. That will get me into the extra strength category, but what I was really concerned about is the shifting. There’s nothing I hate more than a miss shift.This is why I was leaning toward the Dog Ring box. (NEVER MISS AGAIN) I’m told the triple cone synchronizers are the cat’s meow and should not be an issue. We’ll see!
      COME ON G-FORCE...DOG RING T56.
      Ron DeRaad
      68 Camaro RSx
      Darton Sleeved LS9 - 434ci (4.155x4.00)
      AFR LSX245 Heads (12:1cr)
      660hp/588tq

    10. #10
      Join Date
      Dec 2004
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      Quote Originally Posted by ronracer
      Andrew, It is the Cobra/Z06 gear set 2.97 1st. I was expecting it to die at some point. I guess the input shaft gear is the weakest point. I was going up a hill and yes I was going the speed limit the whole time.
      Ron,

      If you are looking for a new company to build you another 6 speed, why don't you try Rockland Standard Gear. Here is their website, www.rsgear.com I heard that they can build you a 6 spped that will handle up to 1200 Hp. Here is a story on their improved 6 speed. http://news.thomasnet.com/fullstory/473624/1620

      Jeff

      http://www.kodakgallery.com/67rscamaro

    11. #11
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      Quote Originally Posted by ronracer
      I really, really, really wanted the G-Force T5 Dog Ring straight cut racing box, BUT I was convinced the G-Force T56 rebuild was the best way to go with my set-up. G-force was not recommending anything over 600hp on the T5, but I know people have been. The G-Force equipped T56 they say is good for 1000hp. That will get me into the extra strength category, but what I was really concerned about is the shifting. There’s nothing I hate more than a miss shift.This is why I was leaning toward the Dog Ring box. (NEVER MISS AGAIN) I’m told the triple cone synchronizers are the cat’s meow and should not be an issue. We’ll see!
      COME ON G-FORCE...DOG RING T56.
      Ron,

      I have a dog-ring T56 in my RX7. It was done by Liberty's Gear. I would give them a call and discuss your needs. They may be able to do the dog-ring modifications using the G-Force gearset. They may also suggest different combinations of OEM parts that will handle your HP. There are Viper and SRT10 Truck T56 parts that are much stronger than the Cobra internals. Paul is the man at Liberty's that you need to speak with.

      http://www.libertysgears.com/index.html

      Andrew
      1970 GTO Version 3.0
      1967 Cougar build
      GM High-Tech Performance feature
      My YouTube Channel Please Subscribe!
      Instagram @dr__efi
      I deliver what EFI promises.
      Remote Holley EFI tuning.
      Please get in touch if I can be of service.

      "You were the gun, your voice was the trigger, your bravery was the barrel, your eyes were the bullets." ~ Her

    12. #12
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      Quote Originally Posted by Sparky67
      Ron,

      If you are looking for a new company to build you another 6 speed, why don't you try Rockland Standard Gear. Here is their website, www.rsgear.com I heard that they can build you a 6 spped that will handle up to 1200 Hp. Here is a story on their improved 6 speed. http://news.thomasnet.com/fullstory/473624/1620

      Jeff

      http://www.kodakgallery.com/67rscamaro
      The Rockland Standard T56 is the same as the G-Force trans. Rockland uses the G-Force gear set and mainshaft to build the Tranzilla.

      Andrew
      1970 GTO Version 3.0
      1967 Cougar build
      GM High-Tech Performance feature
      My YouTube Channel Please Subscribe!
      Instagram @dr__efi
      I deliver what EFI promises.
      Remote Holley EFI tuning.
      Please get in touch if I can be of service.

      "You were the gun, your voice was the trigger, your bravery was the barrel, your eyes were the bullets." ~ Her

    13. #13
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      Quote Originally Posted by andrewb70
      Ron,

      I have a dog-ring T56 in my RX7. It was done by Liberty's Gear. I would give them a call and discuss your needs. They may be able to do the dog-ring modifications using the G-Force gearset. They may also suggest different combinations of OEM parts that will handle your HP. There are Viper and SRT10 Truck T56 parts that are much stronger than the Cobra internals. Paul is the man at Liberty's that you need to speak with.

      http://www.libertysgears.com/index.html

      Andrew
      Thanks Andrew....I will check it out...That would be the ultimate gear box. When I asked G-Force about making there Dog ring T56, they told me there's no market for it.
      Ron DeRaad
      68 Camaro RSx
      Darton Sleeved LS9 - 434ci (4.155x4.00)
      AFR LSX245 Heads (12:1cr)
      660hp/588tq

    14. #14
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      Quote Originally Posted by ronracer
      Thanks Andrew....I will check it out...That would be the ultimate gear box. When I asked G-Force about making there Dog ring T56, they told me there's no market for it.
      All I can say is that I really liked dealing with Liberty. Paul knows his stuff. He also mentioned that they had a stash of SRT10 truck T56s. If memory serves me right those used a 9310 gear set.

      Andrew
      1970 GTO Version 3.0
      1967 Cougar build
      GM High-Tech Performance feature
      My YouTube Channel Please Subscribe!
      Instagram @dr__efi
      I deliver what EFI promises.
      Remote Holley EFI tuning.
      Please get in touch if I can be of service.

      "You were the gun, your voice was the trigger, your bravery was the barrel, your eyes were the bullets." ~ Her

    15. #15
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      Hey Ron,

      Did you talk to Liberty?

      Andrew
      1970 GTO Version 3.0
      1967 Cougar build
      GM High-Tech Performance feature
      My YouTube Channel Please Subscribe!
      Instagram @dr__efi
      I deliver what EFI promises.
      Remote Holley EFI tuning.
      Please get in touch if I can be of service.

      "You were the gun, your voice was the trigger, your bravery was the barrel, your eyes were the bullets." ~ Her

    16. #16
      Join Date
      Sep 2002
      Location
      So. Cal
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      Nope, I opted to stay with the triple cone Syncros from G-Force. As much as I would really really love a dog ring set up, it will sacrifice street cruising. Which is 80% of what this car will see. I will give the triple cones a shot. If it becomes an issue in the future, I will bite the bullet and go for the dog's. That other 20% is some serious Sh*take!
      Ron DeRaad
      68 Camaro RSx
      Darton Sleeved LS9 - 434ci (4.155x4.00)
      AFR LSX245 Heads (12:1cr)
      660hp/588tq

    17. #17
      Join Date
      Jan 2002
      Location
      Italy
      Posts
      746
      I think you made a good choice there.
      Due to the fact that you only broke half the teeth off it does look like the gears didnt mesh properly, or maybe that it was on its way out of gear in some way.
      It would be nice to know what happenend, pls ask G Force.
      Have Fun!
      André

      2009 Chrysler 300C Touring.
      3.0 liter V6 diesel, five speed auto, black with light grey leather.
      1968 Chevelle Coupe.
      355cid, Viper T56, Corvette C4 IRS (Dana 44) and Corvette C4 IFS with Porsche 6piston Brembo's.
      1980 Chevy Van (shortie G10).
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    18. #18
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      Quote Originally Posted by ronracer
      Nope, I opted to stay with the triple cone Syncros from G-Force. As much as I would really really love a dog ring set up, it will sacrifice street cruising. Which is 80% of what this car will see. I will give the triple cones a shot. If it becomes an issue in the future, I will bite the bullet and go for the dog's. That other 20% is some serious Sh*take!
      Given your driving style and your strength requirements, I think you made the right choice. At PRI Liberty will be showing a straight gear, dog ring T56. Woohoo!

      Andrew
      1970 GTO Version 3.0
      1967 Cougar build
      GM High-Tech Performance feature
      My YouTube Channel Please Subscribe!
      Instagram @dr__efi
      I deliver what EFI promises.
      Remote Holley EFI tuning.
      Please get in touch if I can be of service.

      "You were the gun, your voice was the trigger, your bravery was the barrel, your eyes were the bullets." ~ Her




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