364 and and a percsion converter not sure the stall as they wouldnt say when i had it put in 4 years ago i havent tried to do it with my 366 but it wouldnt hold the truck in 4low in 1st if i tried spooling
I know with my second gear start tune it wont put it into 2nd until it sees throttle input. So before I tighten the chain on the sled I touch the throttle and can feel it 'hit' second.
I'm anxious to try my 2nd gear start on the track, I hooked to a stump and did a test and all was good. Dan Clarke did mine. I was really glad because all the guys around here who hammer out of the hole pull a wheel off the ground when they shift to second. I like smooth