Benjamin Burgess wrote on Saturday, May 05, 2007 - 07:25 pm:You can't do decel fuel cut if the converter isn't locked up however and thats the problem with the factory setup. If it did, engine would stall. Factory lock up is in 3rd only when OD is off and 4th gear. Problem is 4th gear on factory never goes below 1500rpm at watch point, it unlocks and changes to 3rd, and no more decel fuel cut and you'd need to keep OD off to use 3rd gear.
I've got it working now so it does decel fuel cut in 4th, then changes to 3rd at about 60km/h, just before decel fuel cut runs out for 4th, and continues to decel fuel cut in 3rd. Its kind of like a manual flicking back a gear in a way when it does it. I'm just trying to get it to do it in 2nd now. It'll be kind of weird, flicking back gears as the car slows down, potentially having a decel cut to about 30km/h. I've given up trying to get 1st gear lockup going correctly, just don't have the control to get it right, so it's only 2nd, 3rd and 4th.
One thing to note is the slip of my 3200 stall converter is quiet a lot, so by locking the converter in 2nd and 3rd it dramatically changes my shift points. I think the converter slip is something like 600-800rpm.