Yep custom converter I was talking with SMR yesterday on a 727 and converter for what I'm doing. It needs to live with 700 HP encase I change the cam for more power but I'm going to see how this motor does first.I was looking at Passon 5 speed but that is a year out and $5200. I could also go with Passon 4 speed overdrive with a 1.77 second or just buy a 18 spine 4 speed with a 1.92 second. I'm just looking at my options. I will be running 2 set of wheels 1 for racing and 1 for street driving. The race tires will be BFGoodrich Rival S 275 X 35 x 18 Fr and 315 x 30 x 18 rear. That is a 25.5 tall tire and I want to be around 65 mph in second. I'm also shooting for around 3400 to 3500 lbs car but that is a long shot.