How much can I adjust my kickdown to kick in without it breaking something?
64 273, 904 kickdown
- Thread starter Claydart
- Start date
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It won't break anything, it just won't upshift. I always adjust mine up for a slightly higher rpm shift.
65Val
Average Length Member
You can adjust it way up there, but at some point the k/d linkage will prevent the throttle from fully opening...that would be too much!
If you’re still running the original linkage, I would consider going to the later style 3 piece linkage with the slotted slider rod at the carb. It has more adjustment, and is a much safer setup.
Mine was adjusted so that I had to just about stand on the pedal to get it to downshift. So I took it out for a ride yesterday, and tried it on a nice and clear road and stood on it. I really had to apply pressure with my foot to get it to downshift. So I got it home and popped the clip off the rod and screwed it out about four or five turns and took it back out for a test drive. It shifted at about 7/8 of the way to the floor. Should it be any higher than that?
That’s about right as long as the carb opens and closes all the way. Kim
CudaFactHackJob
Well-Known Member
The kd arm is supposed to be all the way back when the carb is all the way open. That's where you start.
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