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Old 04-05-2023, 09:43 AM
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JSchmitz JSchmitz is offline
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Join Date: Jan 2000
Location: Union, MO
Posts: 2,235
Default 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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