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Discussion Starter · #1 ·
I am swapping out the 5.2L for a 5.9L in a 1989 Dodge 1/2 ton 4-wheel drive short box, std. cab pickup. Typically the 5.2L is a internally ballanced motor, and the 5.9L is an externally ballanced motor. I'm keeping the same transmission, but am told I have to swap the torque converter & flex plate. I'm trying to find out if it's a lockup or non-lockup torque converter, and if it's a 11" or a 12" torque converter, with out dropping the transmission to check to see if the input shaft is smooth for 3/4" on the end. My nephue is still driving the truck, and the motor is at the machine shop getting rebuilt, waiting for a torque converter, so they can ballance the motor. Any help would be GREATLY appriciated. Thanks.
 

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Discussion Starter · #4 ·
Thanks guys! I had a couple local auto parts stores look everything up for me & they tell me the flex plates are the same part #'s for 5.2L & 5.9L. I'll find out soon if it's true or not, cuz I bought one from them. But I also called the local transmission place & they said 3 wires going to my nuetral saftey switch means lockup torque converter? That's what I ordered so we'll find out if that's true soon also. They also said most everything after 1978 will have the lockup t.c.? Thanks again!
 
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