Just finished installing my remote solenoid. Did a nice job with all the wiring, came out very nice and neat.
I mounted the solenoid in the front left, under the regulator, next to the radiator. Original batter cable went goes under the radiator and up to the Solenoid. Bought new 10 Guage wire to run from the firewall wires, to the new solenoid, neatly tied off to an existing cable going to the front.
I had removed the starter earlier. I made up a 3" long 10 gauge wire, put an eylet on one end, and stripped about 1" of insualtion off of the other end. The eyelet goes to the "S" terminal of the solenoid, and the stripped wire went around the Larger Battery terminal of the solenoid.
I bought a 49" long 4 gauge batter cable with large eyelets on both ends. One end went to the battery connector off the new remote solenoid, and the other end I neatly tied off and it goes down to the original solenoid. I carefully tightened that end along with the stripped piece of 10 gauge wire. Then had the fun chore of mounting up the starter. Not a fun job. Took about 4 full hours of fighting, but finally got it done this morning.

Car fired up without a hitch. Ran it around a lot today, got it all good and hot, still starts. I'm still not totally convinced, but in theory this should work. More Hot driving testing to do, it fails me, I will report back.

All, this is a simple easy to do fix, removing the starter is easily the hardest part to the job, or should I say, remounting it is the hardest.

Thanks for all tips -

Hef.