head pressure testing / magnaflux

Hack

15 Year Member
Mar 23, 2004
1,945
13
69
Minneapolis
I'm curious about the differences or advantages/disadvantages.

Magnaflux is done on a bare head and finds cracks, correct?

Is pressure testing done with the valves installed? So will pressure testing find both cracks and faulty valve seals?

Thanks for the help.
 
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