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C5 transmission problems

This is a discussion on C5 transmission problems within the Corvette forums, part of the Vehicle Specific category; My car is a 1999 corvette amd pushing around 500hp at the engine and the transmission started to mess up ...

  1. #1
    Un peso Edgar Limon's Avatar
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    Unhappy C5 transmission problems

    My car is a 1999 corvette amd pushing around 500hp at the engine and the transmission started to mess up after a week of racing. It has the stock trany and it's an automatic. The 3rd gear is starting to slip alot more. I can still drive it under normal conditions, but i need to race so i needed to know if i can just rebuild it stock or should i upgrade it. If i should upgrade what parts should i use. Thanks for any help.

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    Quote Originally Posted by Edgar Limon View Post
    My car is a 1999 corvette amd pushing around 500hp at the engine and the transmission started to mess up after a week of racing. It has the stock trany and it's an automatic. The 3rd gear is starting to slip alot more. I can still drive it under normal conditions, but i need to race so i needed to know if i can just rebuild it stock or should i upgrade it. If i should upgrade what parts should i use. Thanks for any help.
    With 500hp def upgrade, the stock auto 4 speeds can break and slip under the stock 350hp.

  3. #3
    Senior Member justinmc978's Avatar
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    Quote Originally Posted by Zinergy View Post
    With 500hp def upgrade, the stock auto 4 speeds can break and slip under the stock 350hp.
    i'm surprised it hasnt just been slushified already with that much power

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    Junior Member PSIBrad's Avatar
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    Yeah you should def Upgrade at this point.

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    Corvette Moderator BlownC5's Avatar
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    upgrade

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    make it bullet proof you need new internals like evey thing in there

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    Un peso Edgar Limon's Avatar
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    has any one heard of the raptor transmissions and does anybody know were i can buy performance internals for trany

  8. #8
    Member Qwk Vet's Avatar
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    Quote Originally Posted by Edgar Limon View Post
    has any one heard of the raptor transmissions and does anybody know were i can buy performance internals for trany
    RPM Transmission in Indiana does real good work can fix up with whatever u need!
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  9. #9
    Un peso Edgar Limon's Avatar
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    I wanted to work on it my self so what kits do you guys recommend. Ihave worked on other tranys, but is it complicated to put back the trany on the vette
    Last edited by Edgar Limon; 12-16-2009 at 02:04 PM.

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    well the trans is in the rear

  11. #11
    Un peso Edgar Limon's Avatar
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    I started to do the trany, but dicided to stop and put everything back because had a view problems along the way. FOund the Transmission replacement steps. Their is over 200 major step andI did not know you have to take off the whole rear of the car and need special tools that I could not get hold of. If anybody wants i can post steps for anybody willing to do their own trany removal.

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    $.02 Queen OneSlowL36's Avatar
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    Quote Originally Posted by Edgar Limon View Post
    I wanted to work on it my self so what kits do you guys recommend. Ihave worked on other tranys, but is it complicated to put back the trany on the vette
    Do you know how to work on THESE transmissions? This ain't a Turbo 350 we're talkin about here.

  13. #13
    Un peso Edgar Limon's Avatar
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    Yes i know how to work on the trany and i got my freind helping me he is a mechanic for chevy and as done many C5 and C6 tranys but the hard part is can't take special tools out of chevy garage.

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    you can go for the TCI clutches which i think its the best and with a transgo shift kit

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