The converter will always flash higher than brake stall. I he can brake stall to 4300 the converter is looser than a 3000 stall.

 

i have no idea what it will brake stall to and i didn't know it was stalling to 4200 till i got my new gtech and the wideband set up. they both clearly show the rpms flashing to 4200 then holding steady for a second or so then they start to rise agian.

take a look at this and you can see what the stall does http://members.***.net/parish88/dscn1057.jpg , the blue line is the TPS, the black is the rpm, the red is the a/f ratio. it is kind of hard to read the scale on that page i can blow it up or freeze it right at that point where the rpm's flatten out and it is 4200rpm. the yank3000 is barely noticeable, i let people borrow my truck and don't even tell them about it, they don't even notice.