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The Parts Guy
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Discussion Starter #1
I'm thinking about getting a stall torque convertor for my 94 splitport LX. Here are the main drivetrain mods:

2000 3.8L V6 with splitport intake/heads
21 lb fuel injectors
DIS ignition system
Custom exhaust w/very good flow
190 lph Fuel Pump
AzzKicker Cars Polished Cold Air Intake
K&N Cone Air Filter
ASP 25% Underdrive Crank Pulley
B&M 24,000 GVW Transmission Supercooler
Ford Motorsport 8.8" Centersection w/3.73 gears and Ford Trac-loc
Diablo Dual Program Chip, tuned by Brian Herron

165rwhp and 197rwtq last time it was dynotuned.

Keep in mind, this engine still has the stock 2000 3.8L cam, and I'm not planning on changing it.

I was thinking of possibly picking up a torque convertor with a little better stall than stock. However, I drive this car daily, with a 50/50 mix of highway/city. When I'm on the highway, it's usually for about 100 miles. I don't want anything that is too radical for daily driving, but I'd like something with a little more stall than the stock 2000 Mustang convertor. Any recommendations?



-Rod
 

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BMM-40437 this is the i would try for your car but you will use a little gas mileage probably just remember that. (Summit part #) But i think it would be worth it:)
 

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On that first run, why does your torque drop off significantly 2000 to 2400? TC lockup issue? Anyways, I'd say get something that stalls in the 2500 area, cause I'm sure your making torque before that the run just hadn't started yet and you usually want to go a few hundred RPM below where your peak torque comes in, so I'd say 2200 to 2500. What torque converter is in there now, if you can somehow find out what the stall is on a factory 5.0 4R70W converter I can drop you a brand new one for cheap. Otherwise another cheap option would be these AODE converters on Ebay by The Edge (I believe that's the name.) Or you'll be stuck buying a $500 PI.

-J
 

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The Parts Guy
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7,359 Posts
Discussion Starter #6
The first run was a baseline run, just after the splitport engine was installed. The significant torque dropoff was due to the TC lockup, as you already noticed.

The second run (blue lines) was made after the exhaust and UD pulley were installed, and is pretty close to where the car is running right now.

The torque convertor that is in the car is the factory TC from a 2000 3.8L V6 Mustang. I'm not certain what the stall speed is for this one, or for the stock 5.0 convertor that you mentioned, but I will try to find out.

-Rod
 
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