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Unread 02-07-2013, 05:53 AM   #1
montelibre
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1997 XJ Cherokee 
 
Join Date: Nov 2012
Location: , Spain
Posts: 9
Xj Low stall speed converter in Cherokee

Hi all.
I am new in this forum. I'm from Spain.
I have a 1997 Jeep Cherokee with main following features:
-Titan Stroker 4.6 liters.
-Supercharger MP90, max. boost about 5-6 psi.
-3.73/1 ring & pinion gear ratio.
-33" tyres.
-Weight about 4100 lbs.
-AW-4 automatic transmission.
-(I don't know what cam it has installed).

I'm looking for a custom low stall speed torque converter, I think about 1600 rpm.
Where can I find a seller?
What stall speed do you recomend me?
Any other advise?
Thanks.

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Unread 02-07-2013, 03:01 PM   #2
ratmonkey
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1997 ZJ 
 
Join Date: Dec 2006
Location: , Pennsylvania
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What do you do with the vehicle and at what rpm is the peak torque your motor makes?
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Unread 02-07-2013, 03:53 PM   #3
montelibre
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1997 XJ Cherokee 
 
Join Date: Nov 2012
Location: , Spain
Posts: 9
I drive mostly highway and secondary road and sometimes forest tracks.
I don't know where the peak torque is, I think as the stock engine, but as I have the Supercharger and Stroker I have much more torque at any rpm than stock engine.
I also want to improve fuel consumption.
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Unread 02-07-2013, 05:06 PM   #4
ratmonkey
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you've already got a lock up torque converter, so a lower stall will not help at highway speeds.

getting a performance converter at the stock speed of 2000rpm is usually best in something that isn't a race vehicle. you have a "race vehicle" motor in yours so that's why we need to ask your uses.

you want the stall speed to be at least close to the peak torque, i'd be surprised if your motor has the same peak rpm as stock. get it on a dyno and then make your decision. with that motor combination don't expect very good economy. if you can make 16mpg with the lift and tires you're doing great.
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Unread 02-08-2013, 02:09 AM   #5
montelibre
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1997 XJ Cherokee 
 
Join Date: Nov 2012
Location: , Spain
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Thank you for your replies.
In any case, can you recommend me a seller?
I'm on 12-13 mpg.
On secondary roads and forest tracks or off-road the lock-up is almost time off. I would like to reduce slippage on these situations.

Last edited by montelibre; 02-08-2013 at 02:28 AM..
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Unread 02-08-2013, 05:24 AM   #6
ratmonkey
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You wont get good mileage in those situations regardless.
There are instructions all over the net on installing override switches for the aw4 shifting and torque converter I'd go that route.
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