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[T3] Oil Pressure Relief Valve Spring Length


<x-charset Windows-1252>Here's my newest confession - until yesterday I was driving without the
function of my oil pressure warning light.

Stupid?  Why yes, naturally.

Anyway it turns out that the light is coming on at almost random times.  NOT
at idle, not at higher RPMs, but often when I first change from 1st to 2nd
and start moving through the gear then again when I change to 3rd.
Sometimes when turning a sharp corner also.

OK the car is a 63 single carb with early (.008" valve setting) heads and
god knows what for a case.  I do have enough oil in the car so I removed the
oil pressure relief valve to clean it up.  I have read that the unladen
length of the spring in there should be between 62 and 64 mm but when I
measured it it was 73mm!!  The piston I removed was the old pre-s type.  I
cleaned up the spring, piston, nut and the hole they came from and
reassembled using a 62mm spring from my other single carb engine.

Now the light comes on more often!

Any ideas on the long spring?  Is my oil pump worn, then?

Andre

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