<VV> Oil Pressure Drop

Mark Durham 62vair at gmail.com
Fri Oct 7 17:43:24 EDT 2011


  N.ot so much as stuck open, but more worn, the valve or the housing or
both, it does not need to leak much at idle to bleed off pressure.  Mark
Durham

Sent from my Windows Phone
------------------------------
From: Daniel Monasterio
Sent: Friday, October 07, 2011 2:19 PM
To: Mark Durham; jww1945 at aol.com; VirtualVairs
Subject: RE: <VV> Oil Pressure Drop

  Stuck relief valve in open positon ?

Daniel

> From: 62vair at gmail.com
> Date: Fri, 7 Oct 2011 13:49:56 -0700
> To: jww1945 at aol.com; virtualvairs at corvair.org
> Subject: Re: <VV> Oil Pressure Drop
>
> Hmmm, I'm wondering if the oil pressure relief is bypassing all the
> time? Correct me if I am wrong guys, but the oil filter bypass and oil
> cooler bypass are just bypasses, but still sent oil to the bearings,
> where the oil pressure relief allows oil to go back to the oil pan.
> I've never seen one, but leaky housing to case gasket could do this,
> but I suspect a leaky oil pressure relief valve leaking. . Mark Durham
>
> Sent from my Windows Phone From: jww1945 at aol.com
> Sent: Friday, October 07, 2011 1:38 PM
> To: virtualvairs at corvair.org
> Subject: <VV> Oil Pressure Drop
>
> I replaced the gears in the Oil Pump on my 1965 Corsa 140hp and at
> running speeds the pressure went up from 22 lbs to about 40 lbs.
> Problem is at Idle the pressure drops to 0 lbs. With the old gears at
> idle pressure dropped to about 5 lbs. Help, why is the pressure
> dropping to 0 at idle?
>
> Jerry Wells
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