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Joe,
Mistral does not use the front (in the car) regulator in their backplate (although
the current production backplate is still machined for it except the opening to the
front housing is left undrilled).........They cite that the regulator spring breaks with
some regularity as the reason.......They provide for overpressure in their external
oil filter housing........They drill out the brass plug in the front housing and take
the oil directly from the pump to this housing (as suggested by Lynn in an earlier
post).........The point of all this is a suggestion to check the front regulator/spring
for proper operation.........I am not sure what a broken spring would do for oil
pressure..........Lynn jump in here !!
--
Kelly Troyer
Dyke Delta/13B/RD1C/EC2
-------------- Original message from Lehanover@aol.com: --------------
In a message dated 5/31/2006 6:54:15 P.M. Eastern Daylight Time, dale.r@cox.net writes:
The bad news is that you'd be best off
with 70+ PSI at a mid-6000 RPM climb. IRRC, either Lynn or Leon
(maybe both?) recommended 10 PSI / 1000 RPM.
Dale R.
All rear relief valves through 92 open at 71.1 PSI. About 70 since no gage can see it any better than that.
The 93-95 Turbo is set at 110 PSI.
Your oil pressure sounds a little low.
If you have a front regulator it should open at 115 to restrict maximum pressure to the cooler.
And where used, prevent popping out the iron to case "O" ring.
Lynn E. Hanover
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