ok guys, from the 4.6L forum they send me over here, lest see what you guys know.. i want to take the 3.8L and put a GT on a future 1999 mustang will it fit and the tranny too?????? here is the link of what the 4.6L forum have disscussed. https://mustangforums.com/m_3812437/...tm.htm#3813551

thank you guys for your help!

 

You need to find a wrecked donor car, buy it, and then swap the entire drivetrain, wiring harness, ecu, cooling, and a/c system. If you get lucky you can find a low mileage totalled one for a few thousand, and that's everything you need. You could also drop some cash over at MPS auto salvage and get one of their terminator swaps. I comes with everything you need and you can have some real power to build on.

Ryan