Quote:
Originally Posted by Diesel911
I posted in one of the threads but done remember exactly what I said. I hooked a pressure gauge up where the Plug on the IP Governor Housing is and when I obstructed the Valve Cover Outlet somewhere after 3.2 psi the Engine shut down.
Can't remember the exact figure.
I am guessing that the condition of your Vacuum Shutoff Diaphragm is going to make a difference. I am thinking that an new Shutoff (with the nice new well sealed Diaphragm) might shut down earlier than an older one.
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Now I've had to come clean(!) perhaps you can find that post? I'm sorry - and please don't take offence - I think something else might be influencing this sort of thing too...
...I'll be looking for the post as well of course - I think I might remember the one you mean 'cos I was wondering if the pressure in the IP could be measured in additon to the crankcase pressure (I think Kerry was involved in the conversation too)...