Chuck,
The 68-72 MUNCIE shifters were OK when new. Almost, but not quite, as good as a hurst. In time they went bad, and the older and more used they got, the worse they became, until finally they were not much better than junk.
The last year for a T-handle for reverse was 67. The 68-72 were a flat handle, with MUNCIE stamped on them. To go into reverse, a person had to push with a little extra effort toward the left to overide a spring for going up into reverse (just like you do with a Hurst). Here is what I have done with several 68-72 cars and it works beautiful and looks just like it did the day it left the factory. I use the Hurst shifter which is made specifically for a 68-72 Chevelle. It is made with a dog leg so that the handle comes up perfectly through the original boot (bench or console). Then the Hurst handle is bolted to the shifter with 2 bolts. A FACTORY 68-72 MUNCIE handle has a 90deg angle on the bottom of the handle (or L shaped) with 2 holes going down. I cut off the angle right at the bend, drill 2 holes to match the holes in the shifter (drill one hole first, install a bolt, then position it where you want it and drill the second hole) and bolt it up. After the boot, console, etc are installed you have the looks of a factory shifter and the smooth, positive shift of a Hurst.
Now, let me say this, the purists don't like it when they here that I cut off the end of a MUNCIE handle, but ask me if I care.
If you choose to do this, it may take some shopping around to find a MUNCIE flat handle, but in my book it is worth it. If you are at all interested in seeing one of these Muncie/Hurst combos, I will be at Chevellabration with my 70 conv.
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Tom Parsons