that motor makes like 430 horses and i was just wondering how long it would handle that power.

from now untill long after you sell the car, or it might go south on the first launch.

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ICON Motorsports

1st & 3rd

it depends on how you drive it. If you abuse it with 5000 rpm clutch drops and power shifts, then my guess is about a week. If you dont power shift and are somewhat polite on your launches you should get at least a couple years out of it before it goes (assuming its in good condition now). Ive had my BW t-5 behind my 350 for over a year now and its just starting to show signs of fatigue, but its probably got a ways to go before it completely goes out. *sigh* i guess its time for a t-56

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My 1986 Z28 and more!!
85 IROC w/ 1364 miles!

R.I.P Dale Earnhardt

I had a T-5 behind my 510HP/485ft lb 355 and I can tell ya, 3rd gear will go first. It just happened to us, but we knew that T-5 wouldn't hold, it was all a matter of how long. It lasted about 6 months and was wining pretty bad before my son took all the teeth off of 3rd a couple weeks ago. Now I am trying to get ahold of 5speedtransmissions.com. They offer (or offered, don't know if they are still in business) TKO600 conversion that WILL handle it, but I haven't heard back from them yet. Let ya know if I do here from them.

I'm pushing 425/410 at the flywheel my t-5 has 80k on it and a hurst short throw. I've been driving the. At daily for three months with no issues. But I do not abuse my car. I built mine to cruise and that's what it does. If you built it to drag, go with a t56

Well since this post is about 10 years old, I am sort of wondering if OP is still around and maybe he could tell us how long it lasted.

I didn't even notice that