I've searched and got some random info. But I have a 700 with fixed 241. I'd like to go 4500 adn keep the 241. But sounds like the 4500 will be very expensive. Truck is a 90 model. Can someone lay out my options here as far as the conversion keeping the 241 with a 465 or 4500 vs a different tcase with either tranny. Please please please!!!!!!! Also, Im looking to sell the TCI 700 to get the funds to sport the conversion. Its fresh outta the box from TCI.