i dont understand why you cant decide weaker trany for more money (tko) or stonger trany for less money (promotion). seems like a really hard choice

 

I guess I will have to add this into the pic but, you might want to look into Hanlon Motorsports. Bob does a good job on all those trannies. I would look into what he suggests and what he would do as far as building a 3650 or TKO. Personally, if you want the strongest, I would think the TKO 600 is the best choice but, idk. A built 3650 should be able to hold a lot too. What is your final power plans for the car and the tranny to hold???

 

no more than 500hp