THM400 Governor Tuning
Many years ago, I adjusted my THM400 shift points. I used a B&M weight and spring kit. It took quite a bit of trial and error as I recall. I got it to shift at 5,400 1-2 and 5,100 2-3. I dug out the remaining pieces of the kit. I'll have to look when I get home. It appears that I used two weights from the kit and the original springs. I wanna say I used weight #2 & #4. I now want it to shift around 6,000. Anyone have a good "recipe" for this? It might save me some time. Probably changing one weight lighter would get me there? Haven't removed a governor in a long time. Jack the back up a little higher than the front?
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