What is involved in swapping the two? I have to do my PCS solenoid and while I'm at it, might as well do the TCCS solenoid. I have been quoted a price of 400$. For that much , I might as well investigate how much to switch over to a HD since once I rebuild the motor, I'm either going to turbo it or NOS it. BTW, 3.8 Lumina 99 cop car.

The lt axle is different, possibly the rt, not sure, then it is a swap, but programming may be different also.