[DaleTx]

I ended up raising the tunnel 7/8” in the back and 1-1/4” in the front. After installing the transmission there is about ¾” plus clearance all around between the transmission and the tunnel. This should be enough to prevent rubbing, and allow for some airflow.


First I fabricated the tunnel and added a gusset where the console mounts and where the shifter boot mounts.






Next I secured the weldment to the tunnel with sheet metal screws to hold everything in place for welding.






Next I welded the tunnel all around from underneath the car ...not a fun job!






Next two pics show penetration from the weld underneath.






Then I welded the tunnel all around from inside the car, and cleaned up the welds with a little sanding.






Next I painted the tunnel and re-installed the transmission