Please tell me why an air bubble in the gauge line would cause the gauge to
read incorrectly.
Herb Miller
-----Original Message-----
From: healeys-bounces@autox.team.net [mailto:healeys-bounces@autox.team.net]
On Behalf Of Alan Seigrist
Sent: Sunday, May 22, 2011 10:02 AM
To: Jose Vicente Vargas; Bob Spidell; Healey List
Subject: Re: [Healeys] Bn2 excessive oil pressure
Sometimes if there's an air bubble in the guage line, it will read
incorrectly. Disconnect from back of guage, run motor for a few seconds
until squirting out, then re-attach....
Alan
On 5/22/11, Jose Vicente Vargas <jvvmusme@yahoo.com> wrote:
> I have dennis welch oil pump
> Using 20-50w oil
> The holes of the adapter are correctly aligned This situation afyer
> the oil and filter change
>
>
>
> Sent from my iPad
>
>
> On May 22, 2011, at 8:39 AM, Bob Spidell <bspidell@comcast.net> wrote:
>
>> Jose,
>>
>> Regardless of the filter, the oil pressure relief valve should limit
>> the
> pressure to a maximum of (typically) 60-70psi.
>>
>> 30psi @ 1,000rpm is great, but 90 @ 4,000 seems too high; the obvious
> culprit would be the valve, but I can't explain how just changing the
> oil and filter would instigate the problem (unless, maybe, you went
> from 20W break-in oil to straight 60W). Definitely check the valve
> for burrs, etc.; maybe try a different spring.
>>
>> Sounds like your rebuild was good--most issues are with too low
> pressure--but too high puts undue stress on the cam/distributor gear
> and seals.
>>
>> Bob
>>
>> --------------------------------
>> Bob Spidell - San Jose, CA
>>
>>
>>
>> After the engine rebuilt I had normal oil pressure 20-30 at 1000 rpm
>> and
> 40-50
>> At 4000 rpm.
>> Using the spin oil filter adapter from moss and the cheap fram spin
>> on oil filter (moss # 235-880) After an oil and filter change this
>> week I get 30 at 1000 rpm and 90 at
> 4000
>> rpm and 100 at 5000 rpm. I changed the oil spin on filter to the K&N
>> (moss
> #
>> 235-830).
>> Any ideas,
>>
>> Jose
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