Noob question 727 really low shift points

Dave Haertel said

Hey Beast, so not yet, they just dropped the pan, reseated the NSS and refilled the fluid and wanted me to drive it for about a month and then come back in to do a full service. My problem is if this is going to damage the tranny, I'd rather address it now.

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Do not drive the car unless that linkage like Toolman posted, or something like it.
If there is no linkage you could try and find it, or replace it with a cable system like some do.
If when you drove it and happened to notice the trans still shifts at the same speeds even with more throttle, there is a good chance that linkage is either missing or not hooked up.

If you find it is there and adjusted we can address the early shift points a couple of ways.
1. shift kit
2. governor change
3. I have a little trick that works really well that only takes a few minutes.:D

That is explained here Ok (click the "Ok"), but check your adjustment first.
Of course this only works on the original rod type throttle pressure rod system.