There is also the 'rope trick'. A small rope is fed into the spark plug hole and the crank rotated towards TDC. Of course, you have to make sure both valves are closed. The rope provides a stop for the piston and the crank bolt can be loosened.

Just my $2.00. (Inflation)

__________________
Regards

Warren

Currently 1965 220Sb, 2002 FORD Crown Vic Police Interceptor

Had 1965 220SEb, 1967 230S, 280SE 4.5, 300SE (W126), 420SEL

ENTER > = (HP RPN)

Not part of the in-crowd since 1952.