Specificity is next to answeriness.
No.
under the rotor on the inside of the distributor cap
Remove the retaining ring at the top of your 1985 Chevy ignition switch. Slide the ignition switch out and remove the wiring harness. Reverse the process to install the new ignition switch.
YES.
No, completely different body style.
Yes it should bolt right in
You have wires going to the carb on a 72 Chevy c10?
A c10 is 2 wheel drive and the k10s are 4 wheel drive.
yes it is
The last year for the 327 in a C10 was 1968.
Chevy didn't have a V6 in their C10 in 63 but the GMC did in which case it would be timed at 5 degrees BTDC.
One is able to buy a Chevy C10 at several different retail locations along with online websites such as the following: Craiglists, a Chevy dealer, and at Auto Trader.