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Joined: Jan 2003
Posts: 119
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OP
CEG\'er
Joined: Jan 2003
Posts: 119 |
I heard some nerds talking about how the mtx-75 is weak and cant hold much over stock hp... personally i think they are retarded, doesn't the 3L duratec use the mtx-75? and that puts out somethings in the range of 210hp ish kinda? kinda mkaes mee worried cuz of the 312hp to the wheel i got on stock tranny :\
Turbo'd Cougar 2.0L w/ 75 shot ... its got some stuff in it ...
NOT that fast NOT that furious :P
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Joined: Mar 2001
Posts: 1,603
Hard-core CEG'er
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Hard-core CEG'er
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Transmissions aren't rated by Horsepower, they are rated by Torque.
If anyone remebers what the MTX is rated for, please chime in here.
I do know that the ATX (CD4E) is rated for 200 ft/lbs.
Pete...
2004 Mercury Marauder 300A
Black Clearcoat/Dark Charcoal LEATHER
DOB 10/31/2003
DOP 1/2/2004
www.mercurymarauder.net
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Joined: Aug 2001
Posts: 5,810
Hard-core CEG'er
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Hard-core CEG'er
Joined: Aug 2001
Posts: 5,810 |
The MTX-75 transmission has a few issues, but it can hold the torque. The open differential is the apparent weak spot with its spider gears as it tends to be the only geared item to break. I thought mine was going but it turned out to be a bad right front wheel bearing.
I've been running a 3L for over a year and recently turbocharged it. It has held the power fine. I cracked the transmission open two days ago and there was nothing wrong inside of it. The spider gears in the diff look fine.
I am going to put a torsen into it now, should be here in the week!
'monger
Former owner of '99 CSVT - Silver #222/2760
356/334 wHP/TQ at 10psi on pump gas!
See My Mods
'05 Volvo S40 Turbo 5 AWD with 6spd, Passion Red
'06 Mazda5 Touring, 5spd,MTX, Black
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Joined: Sep 2001
Posts: 1,516
Hard-core CEG'er
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Hard-core CEG'er
Joined: Sep 2001
Posts: 1,516 |
There were cases of people actually stripping the 1st 2ond and 3ird gears; they were a race team (Mirco I believe) that were getting 300+ HP out of thier 2.5 SVT motors. So be careful what you do. 
Mazda 6S, V6, Speed Yellow
5 Speed, Sport package
Bose audio
Painted 'stash and HIDs!
w/Injen 1/4 14.750 @ 94.94
Former car:
99 Contour SE Sport Black MTX V6
SVT plastic...
1/4 - 15.012 @ 90.58 
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Joined: Jun 2000
Posts: 5,854
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Hard-core CEG'er
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there's a big difference between a race trakc driven 300hp beast and a street driven one. There are people on this site with 350+ crank hp and stock transmissions. Street cars will never see the abuse of a race car. I would not worry about stripping gears.
1999 Silver Frost SVT
#609 of 2760
Quaife, lightened SVT Flywheel, SPEC stage II clutch, removed resonator, k&n drop in - various other goodies too.
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Joined: Mar 2001
Posts: 331
CEG\'er
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CEG\'er
Joined: Mar 2001
Posts: 331 |
Originally posted by TheGreatOne:
there's a big difference between a race trakc driven 300hp beast and a street driven one. There are people on this site with 350+ crank hp and stock transmissions. Street cars will never see the abuse of a race car. I would not worry about stripping gears.
I agree, you're going to be ruining drive shafts long before you strip gears...
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Joined: Jan 2003
Posts: 119
CEG\'er
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OP
CEG\'er
Joined: Jan 2003
Posts: 119 |
hehe, dont mean to be an ass, but we dont have a drive shaft  all we got is our transaxel (transmission + axle) i was kinda hoping that if i just dont WOT it till the momentum has caught and just not shifting hard, would keep it in good status. whatcha think?
Turbo'd Cougar 2.0L w/ 75 shot ... its got some stuff in it ...
NOT that fast NOT that furious :P
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Joined: Mar 2001
Posts: 331
CEG\'er
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CEG\'er
Joined: Mar 2001
Posts: 331 |
Originally posted by C-Tec:
hehe, dont mean to be an ass, but we dont have a drive shaft all we got is our transaxel (transmission + axle) i was kinda hoping that if i just dont WOT it till the momentum has caught and just not shifting hard, would keep it in good status. whatcha think?
I was waiting for someone to jump on that , went to edit it but I was past the time limit.
I think you should be fine if you avoid hard launches, but it is not going to be fail-safe obviously. My original point was that there are other drivetrain components that will fail long before you start shearing gearsets.
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Joined: Sep 2001
Posts: 1,516
Hard-core CEG'er
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Hard-core CEG'er
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If you have a quaife you should be ok as long as your not "on it" all the time.
Mazda 6S, V6, Speed Yellow
5 Speed, Sport package
Bose audio
Painted 'stash and HIDs!
w/Injen 1/4 14.750 @ 94.94
Former car:
99 Contour SE Sport Black MTX V6
SVT plastic...
1/4 - 15.012 @ 90.58
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