Yes have a electric one that hooks up to engine test machine, shows engine temp, scope all cylinder's for power balance, etc, + manual gauge, both drops to 0 psi @200 degrees @ idle, no fram filter, mopar filter. Thought about that filter collapse Changed it but no help, Checked drive shaft good condition,start getting lifter tap shut her down quick, Added thing talked to owner about a hour ago he told me it was doing this same thing before i got to it. he was running it like this.
''JUST MY TWO CENT'S WORTH''