going from a 3600 to 4500-5000 stall

tnts72 said

Converters are almost always tighter than advertised. I have a 5k I can footbrake to 3500. Sounds like you are in the ballpark though, more like a 3000-3200 which is pretty spot on for a street driven setup.

Just curious what is the weather like were you are racing...? Temperature / % humidity etc...?

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It's been hot an humid . I can find out by a calulator on the internet. I've done the converter an watching the tach. It went to 3600-3800 flashed too. But i wish I could footbrake to 3500 then I'd be happy an I bet with a loser converter my car won't act like it wants to cut off at a red light or stop sign.