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View Full Version : 1955 Cruise-O-Matic shift point??



Thomas C Potter
09-23-2020, 05:21 PM
55 Tbird, it shifts at some 30 mph, assume from 2nd to 3rd, feels like 3rd. Way to high. Any adjustments to lower that shift point??

If it has a shift kit, how do I tell, and how do I take the shift kit components out?? Would it be all in the valve body?? I guess I need to find some OEM parts. oh boy....

Any one know of a Cruise-O-Matic expert??

MyBlackBeasts
09-23-2020, 05:40 PM
55 Tbird, it shifts at some 30 mph, assume from 2nd to 3rd, feels like 3rd. Way to high. Any adjustments to lower that shift point??

If it has a shift kit, how do I tell, and how do I take the shift kit components out?? Would it be all in the valve body?? I guess I need to find some OEM parts. oh boy....

Any one know of a Cruise-O-Matic expert??

Not familiar with it but if its shifts are controled by vacuum modulator, look for vacuum leaks, vacuum line off the VM or a bad vacuum modulator.

If the car sits a lot and it has a shift governor, they gum up and stick which causes all sorts of shifting issues.

Good luck with repair!