<VV> Re: oil pressure

[djtcz at comcast.net]

> Date: Sun, 03 Jul 2005 18:21:52 -0500 
> From: James Davis 
> Subject: Re: Re: viscosity vs temp 
> To: virtualvairs at corvair.org 
> Message-ID: <6.2.1.2.0.20050703181418.01cab028 at mail.wk.net> 
> Content-Type: text/plain; charset="us-ascii"; format=flowed 
> 
> I reiterate current synthetic motor oil of the SL and SM variety get 
> thicker with heat cycles. Oils I use are Mobil 1, Castrol Syntec, and full 
> synthetic Super Tech. All show more oil pressure at idle (500 rpm) at 230 
> degrees F and at cruise 3,400 rpm at 276 degrees F after 500 miles of 
> use. The pressures remain up until the oil change at 7,000 miles. 
> Jim davis 

Hi Jim,
I guess I understand how oil viscosity might have an affect at idle.  At higher engine speeds I'd kind of expect to be tickling the pressure relief valve all the time.