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stock c5 tranny power limit?

This is a discussion on stock c5 tranny power limit? within the Corvette forums, part of the Vehicle Specific category; Anyone know what the stock limits are? Can I put 10psi or HCI and headers on? or will I need ...

  1. #1
    Junior Member ff_jeff's Avatar
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    stock c5 tranny power limit?

    Anyone know what the stock limits are? Can I put 10psi or HCI and headers on? or will I need a built tranny for that?
    BTW its an A4

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    Corvette Moderator BlownC5's Avatar
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    I believe 500 rwhp is the usually the max. 10psi will put you around 550 or so but you MAY be ok. It really depends on how you drive it. Start hooking up and parts break.

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    Every day is a gift-enjoy preston1980's Avatar
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    Quote Originally Posted by BlownC5 View Post
    I believe 500 rwhp is the usually the max. 10psi will put you around 550 or so but you MAY be ok. It really depends on how you drive it. Start hooking up and parts break.
    I agree. The t56 seems to be a little stronger than the autos, but 500 horsepower seems to be a braking point from most of what Ive seen. Maybe 550 with a t56, but you need a better clutch when you get much past 400 or so. His being an auto, 10 psi will ruin his stock tranny, maybe not at first, but soon.

    Although if you run slicks, a tranny can go at any horsepower. among other things. Like you said, start hooking up and and parts break.

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    Junior Member ff_jeff's Avatar
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    were is a good place to buy a built c5 auto tranny?

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    Junior Member Z06-Dave's Avatar
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    Quote Originally Posted by ff_jeff View Post
    were is a good place to buy a built c5 auto tranny?
    I don't know of a good place, but I do know the BEST...
    RPM TRansmissions
    I have been running their 4L60e level V with zero problems. I have over 100 nine and 10 second passes...
    I have well over 500HP

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