400ft-lbs of Torque?

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luigisho

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Yeah.. on a gen3? I don't think the tranny would last long.

Be pretty sweet though.

It wouldn't last long on any old ATX SHO. But then you go back to FPS and get a beefed up one... or you get it at the same time. Good business sense. Also the cost to play.
 

Izzmo

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I don't think the shift kit will help. I mean.. you would have to beef up all the planetary disk's and the braking plates along with it for it to last longer... I mean.. think about it.. ~400 ft/pounds.. that's essentially 100% increase in torque.
 

luigisho

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I think Doug uses a little valve body voodoo and other tricks but yes ~400 ft/lbs is alot. It may be less bad if the power comes on later in the power band vs from a start. Surely true for MTX, probably true for ATX.
 

Izzmo

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You make a good point. I guess it's just a matter of waiting until someone does it and see how it does.
 

somedude_001

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i don't know how much first hand exp you have with the ATX and their ability to hold power, but if you don't get stupid with boost they will hold 6-8psi just fine as long as you don't over heat them. I can't comment on the V8 engine because I have no first hand exp with them.

And yes 6-8 psi is a lot of fun to kick around with.
 

E1 v2

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i don't know how much first hand exp you have with the ATX and their ability to hold power, but if you don't get stupid with boost they will hold 6-8psi just fine as long as you don't over heat them. I can't comment on the V8 engine because I have no first hand exp with them.

And yes 6-8 psi is a lot of fun to kick around with.

With a positive displacement blower, and the early onset low end grunt, my stock tranny lasted only 160 miles.

I'd expect a later boost onset - like a turbo or centrifugal supercharger - to be more gentle on the trans, but not to the point where I'd expect it to survive for much longer.
Especially on a well worn trans. TQ converter doesn't stand much of a chance either.
 

somedude_001

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With a positive displacement blower, and the early onset low end grunt, my stock tranny lasted only 160 miles.

I'd expect a later boost onset - like a turbo or centrifugal supercharger - to be more gentle on the trans, but not to the point where I'd expect it to survive for much longer.
Especially on a well worn trans. TQ converter doesn't stand much of a chance either.

to be fair driving style has a huge factor in its lifespan. To be perfectly honest I think it is a decent transmission but I DON'T think it was at all designed for high rpm. All of the transmissions in my car shift harder at 5500 or 6K than at 7 and they shift horribly slow at 7500+. So with that theory your PD blower probably extended the life of your tranny because you probably didn't wind out the engine like I do with my big turbo.
 

rick-ng

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With a positive displacement blower, and the early onset low end grunt, my stock tranny lasted only 160 miles.

I'd expect a later boost onset - like a turbo or centrifugal supercharger - to be more gentle on the trans, but not to the point where I'd expect it to survive for much longer.
Especially on a well worn trans. TQ converter doesn't stand much of a chance either.

What about with a built tranny? Mine was rebuilt with heavy Duty internals...
 

somedude_001

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What about with a built tranny? Mine was rebuilt with heavy Duty internals...

doug from FPS (SHO Dude) told me to not run more than 8psi if I wanted a reliable fun setup. 4 transmissions and 40K (miles) later I realize that I should have listened. from what I have learned our transmissions are just not up to taking a huge amount of power. 8psi is a blast to drive. it is not 400tq but it will keep a smile on your face and that little turbo would probably do well through the top end too at the lower boost.
 

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