Auto to manual conversion

Other comments. You don't HAVE to use factory parts, there's some threads on here where guys have mounted a new style master hydraulic cylinder "angled" off the hole through the firewall, so the pedal activates it similar to the stock pushrod. This eliminated problems with finding / having the stock linkage, as long as you can "fabricate around" the problem

Finding a flywheel for an Magnum V8 might be harder than for an LA, as they are balanced different.

Some engines are not drilled or fully drilled for a pilot shaft. I had a 5.9 Mag in a late model pickup that WAS NOT DRILLED AT ALL

Everybody recommends Brewers as the 'go to" place for expert parts and advice