I've never seen a Competition/Plus mounting bracket like that--perhaps Hurst has changed the design. In the old days they bolted straight to the tailshaft with the triangular bolt holes already there, with no plate that went under the transmission mount. For use with a console there was a dogleg handle mounting bracket that the handle bolted to to move it over. That looks more like an old Hurst Indy shifter mounting plate to me.
That has always been the mounting bracket for the 67-68 Camaros with Muncies since at least the early 70's. The 69 uses a different mounting bracket (triangular one you described) as the hole in the floor is in a different location than that of the 67 & 68's with 4-spds. I found this out the hard way a few years ago when we used the Hurst mounting kit for a 69 in a 67 as it had the side cover and forks for a 69. The shifter would not come through the hole unless it was in 1st gear, and then it was jammed at the back of the factory hole. I bought the 67-68 kit as shown above and I used the levers from the 69 kit, with the rest of it from the 67-68 kit. The mounting bracket shown above is exactly what I needed to put the shifter handle in the correct location. All worked great after that.
Franko, make sure your mounting kit looks like the one pictured, if it doesn't, then that is probably your problem. Also did your car come with the console originally? From your post it sounds as if you added it. If so, then you may have it off to one side a little too much, maybe a slight adjustment of the mounting holes is all that is needed............RatPack...............