Dan Langhout
Well Known Member
What are folks using to substitute for the oil filler cap/dipstick when installing a pressure measuring tap to measure crankcase pressure? As much as I have searched, I can't seem to find any definitive information on the thread size. I'd like to find some sort of threaded metal or plastic cap that fits the filler tube that I could then drill and tap for a tube fitting to connect to my digital manometer.
Any ideas?
Any ideas?