It is amazing to me that this site is dedicated to Allante owners and there are literally hundreds of owners on this site having a variety of Allantes and not a one of you know if there is a tool for the manual top .
Earl, You and I are emailing on this subject but You claim to have a phase 2 car so you have power front latches on the convertible top. All the hardtops no matter what year are manual. If you have a real phase 2 or 3 top they came with a special tool to turn the latches down. I want to say its a square end so you just need to find a socket that fits and use a ratchet.
The phase 2 cars '90.5 - '92, had electric motors to hold the front header, for the soft top. The Phase 1 cars had manual levers for the soft and hard tops. Now the Phase 2 hard tops have the manual "T" handle that inserts into the lock mechanism. This tool has a handle and a recess on the other end. This recess is about a 1/4" but it is not a parallelogram. Two opposite, which would actually be top and bottom, sides actually taper, so the handle, because of the tight location, will only fit one way.
go to your local welding shop and pick up one of the tank valve t -handle tools for shuting off the valves. works great on the hard top.....dont ask me how ha ha. had my own day of desperation and happened to try one off my tanks. hope that helps......steve