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Old 03-17-2008, 09:13 PM
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Sizing & Choosing a Stall Converter

I need some help in choosing a torque converter for my S10 project. Here is what I am doing so far. I need suggestions for a proper sized stall converter.

1989 S10
SBC 400 + .040 - Forged bottom end
Weiand 177 Blower w/850 BG Demon double pumper
Have not made a solid decision on a cam yet. Need suggestions there too!!
TH400 Turbo Tranny w/Manual valve body & transbrake
Narrowed 9" Ford Rearend & Tubbed for 32 x 16.0 - 15 tires
Looking for around 500hp or slightly better at the wheels.
I have lightened the truck up better than 300 lbs. (mostly from the front).

Can someone give me some good suggestions for a stall converter using this info. I would like to have a few choices to pick from and the reason for using each one. This truck is a Father/Son project (mostly Father so far) and it is strictly for the 1/4 mile.


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Old 03-18-2008, 01:53 PM
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I usually call the converter company of my choice and have them tell me which one I need. They are the professionals and they WANT you to be happy and tell your friends about how good their converter is ... So they do a great job ... picking out the right converter

Or at least that has been my experience.
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Old 03-18-2008, 09:55 PM
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The cam you choose will affect the converter. I think you need to talk to the camshaft people first then converter people once you have your cam and info from the cam people... I'm not sure on this but I think you would want to figure out the lowest RPM your engine will drop to after a shift and get a converter that slips just less than that.
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Old 03-18-2008, 10:09 PM
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Check with knowledgeable converter folks like Hughes Performance or TCI or similar companies. Have cam specs and engine info for the folks you chat with

Some times a camshaft company suggestion may not pan out in the real world application.
Dont worry how old you are... it is the mileage on your body that adds up.
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