Buck:
I am using an aftermarket one. I had different flex lines originally, but
changed them to larger diameter ones after a suggestion from this list that a
restriction downstream from the pump might starve the pump and lower the
pressure.
Thanks, Dave
----- Original Message -----
From: "Buck Trippel" <BuckTrippel@Verizon.net>
To: "Dave Munroe" <dave@munroe.ca>
Sent: Monday, August 02, 2010 1:43 PM
Subject: Re: [Tigers] Oil Pressure
> Private:
>
> Are you using the stock remote oil filter or an aftermarket one?
>
> bt
> ----- Original Message -----
> From: "Dave Munroe" <dave@munroe.ca>
> To: <tigers@autox.team.net>
> Sent: Monday, August 02, 2010 9:20 AM
> Subject: Re: [Tigers] Oil Pressure
>
>
>> Ok guys, the mystery continues.
>>
>> I have sought advice here about oil pressure and we have discussed this
>> before. But now more intelligence has been gathered.
>>
>> My engine was built by a well meaning but as it turns out, inexperienced
>> Brit mechanic in 2005. Amongst more serious problems,
>> my engine's oil pressure also was below what I have come to believe is
>> "normal" pressure for a fresh, quality re-build.(50 to 55 psi cold, 40 to
>> 50 psi hot with 10-30W oil). I was tired of, and concerned with, the O.P.
>> gauge showing the needle far to far to the left of center.
>>
>> I had my engine removed and "blue-printed" by a knowledgeable and highly
>> regarded local shop. They found and corrected the other, more serious
>> problems, and when reassembled, put it on their shop dyno. During the
>> rebuild they installed a new, standard oil pump on the recommendation of
>> many on this list who responded to my earlier inquiries, to replace the
>> high volume pump that I had installed in the first re-build.They also
>> installed a large filter directly on the block for the several pulls the
>> engine went through on the dyno. They had hooked-up a mechanical oil
>> pressure guage and a transducer that fed into their diagnostic computer.
>> My engine was showing 70 psi at 1500 rpm, and it rose to 75 at 5500 rpm
>> (redline).
>>
>> Back in the car with the remote oil filter set-up, with new, large
>> diameter hoses fitted, it shows 45 psi cold, and 25-30 hot at 3,000 to
>> 4,000 rpm. I am at a loss to understand how the remote filter set-up could
>> possibly cause this drop in indicated pressure. The only other variable is
>> my pressure gauge, which is nothing if not consistent.
>>
>> I will appreciate any wisdom or suggestions as to what is going on and how
>> to correct this low pressure problem.
>>
>> Thanks for your help,
>>
>> Dave _______________________________________________
>> Tigers@autox.team.net
>> Donate: http://www.team.net/donate.html
>> Archive: http://www.team.net/archive
>> Forums: http://www.team.net/forums
>> Unsubscribe/Manage:
>> http://autox.team.net/mailman/options/tigers/bucktrippel@verizon.net
_______________________________________________
Tigers@autox.team.net
Donate: http://www.team.net/donate.html
Archive: http://www.team.net/archive
Forums: http://www.team.net/forums
|