Thanks all. The engine most in question here is a stock 1954 235 stovebolt in a 1941 truck. no electric fans, zero pound NOS AC radiator cap, stock radiator.

[img]http://www.surfacezero.com/g503/data/3764/2013-11-11_17_03_251.jpg[/img]

Just don't want to do any damage with an improper technique.


1941 Chevy 1 1/2-ton WW2 4x4 dump truck
In the Stovebolt Gallery
Lots more pictures