<VV> Oil pump

[jwcorvair at aol.com]

Out of curiosity, what weight oil are you running? When I go to 10-30 for winter driving, my oil pressure fluctuates similar to what you describedl


Joe White 
(62 four door, 64 Spyder project, 66 PorVair)




-----Original Message-----
From: Ken Clark via VirtualVairs <virtualvairs at corvair.org>
To: MarK Durham <62vair at gmail.com>; BobHelt at aol.com <bobhelt at aol.com>
Cc: virtualvairs <virtualvairs at corvair.org>
Sent: Thu, Nov 13, 2014 6:35 pm
Subject: Re: <VV> Oil pump


Thanks to all for the info, I will get it solved one way or another, will take 
all info received into consideration.  I did however fail to mention that this 
engine was rebuilt several years ago with new bearing, rings etc., but does not 
have 100 miles on it as it has sat in the Lakewood for at least 3 years and not 
run for at least 2 of those years.  It does seem like a strong engine when I 
drive it, so that part is fine.  Hope to have it in good condition to take to 
Knoxville next summer.
Ken
 
Date: Thu, 13 Nov 2014 12:13:45 -0800
Subject: Re: <VV> Oil pump
From: 62vair at gmail.com
To: BobHelt at aol.com
CC: virtualvairs at corvair.org; kcvair at hotmail.com

Ken, if you have better pressure some time and not others under the same or 
similar conditions its probably the pressure relief valve. Worn Cam bearings 
would give consistent low readings.   Replace the relief and the spring first 
and see what you get. 

Mark Durham Hauser Idaho

62 Coupe 4 speed Red/Red.
On Nov 13, 2014 9:52 AM, "BobHelt--- via VirtualVairs" <virtualvairs at corvair.org> 
wrote:
Ken,

Nothing wrong with the oil pump from what you said. Problem is  likely worn

cam bearings. The dash light illuminates at 4-6 psi. Some pres  senders

close at a higher pressure so check that you have the one designed for  our

Corvairs.   I.e., check pressure at which your light comes  on.

Sure, a hi-vol opil pump is the sure cure for this problem. Go  for it. But

be careful in the future not to rev a cold engine too high. Might  consider

also opening the pres valve by-pass hole to accommodate a higher cold  flow.

Regards,

Bob Helt





In a message dated 11/13/2014 10:07:01 A.M. US Mountain Standard Tim,

virtualvairs at corvair.org writes:



I'm not  getting a good reading on current oil pump in my Lakewood and

wondered if  anyone had put in the new high volumn pump and did it do the job?

Oil  pressure light flickered some while running, so put in a gauge to see

what it  read.  Seemed ok at first, but not sure as it sometimes goes

somewhat  low.  Started out at 25-30 at first when idling cold, but dropped some 
as

 warmed up, and 35-40 when engine revved up slightly.  At times dropped to

quite lower reading, so don't know what to think about it.  Considering

getting the higher volume pump to put in.  Any suggestions or answers to

what's going on with current oil pump?

Ken Clark





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