Since my Jerico was only good for an estimated 750hp max, the Gforce was a good upgrade in that respect. The 101 design started out as a T10 and Gforce (and others) made them stronger for Nascar usage-to the tune of being able to handle 1000HP/900lbs torque. I ran down to the Gforce factory and got the tour.
Since I street drive my car, I wanted an H pattern shifter so my best bet ended up being the 4 speed. I considered a 5 speed but it requires an inline shifter to work flawlessly.
#G force transmission install
The Gforce facility is located a couple of hours from here and the owner has been trying to get me to install one for several years. After comparing all my options, I decided to upgrade to a Gforce G101A clutched 4 speed. I recently destroyed my Jerico and needed something stronger. These are racing transmissions with no synchronizers that shift like butter at higher RPM's or can be speed matched, double clutch driven much like a big rig at slower speeds. You'll have a choice of road race boxes or drag boxes with practically unlimited gear ratio options. They are available from various sources with upgraded internals. If you want to upgrade your current manual transmission to something that is track proven and stronger than a toploader/standard T10, perhaps you might consider a modern version of the old T10.