Since I don't need a temp gauge or an oil cooler I figured I would install a psid indicator that I salvaged off some junked filter heads. Shop air testing shows the needle will start to move at about 5psid and are in the red at about 20psid. So what I'll do when I change the oil is if the filter indicator isn't in the red, I'll take the oil filter off, turn it upside down, drain it and put it back on. As the filter bypasses at about 22psid. Might as well get all of my $13 out of it.
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
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