There’s a guy, JDKcountry, at pro-touring.com forums that has a great 1970 Fastback ProTourer and he is looking form some wise advices about drivetrain engine and future mods.
For now, he’s got “…460ci Tremec 6 speed, manual rack and pinion steering not sure what kit, manual brembo disc brakes all around, hydraulic clutch, etc…”
I You’re an expert in protouring, you may help JDKcountry here. If not, then check out that great body paint scheme.