REFLECTOR: vernatherm Brian Michalk

[Jeff Howell]

Brian,
          Could you send me one of your stiffer springs? when my oil is below 120f and I am at high rpm my oil pressure is on the border of bypassing the oil. I believe that if you change the spring to a stiffer spring it will bypass at a higher pressure... Is this correct? if so do you have a pay pal acct. so I could pay you for a spring?? thanx Jeff
 



Date: Wed, 16 Nov 2011 15:30:34 -0600
From: michalk at awpi.com
To: reflector at tvbf.org
Subject: Re: REFLECTOR: vernatherm


Do you have high CHTs as well?
If you are aggressive on your timing, retard it to 28BTDC, and see if your temps go down.

I don't think adding a vernatherm is going to help you.  The Franklin has a pressure bypass, and with hot oil, all of it should be going through the cooler.  You can try a stiffer spring on the bypass if you are not getting max oil through the cooler.  I think I still have some, if you want one.

Most everyone I know is running 5/8" lines to the cooler(s).  What size are yours?  Also, where are you measuring your oil temps?  245F is too high, and it means that in some portion of your system it's hotter.

On 11/16/2011 2:32 PM, Grover McNair wrote: 




The franklin engine I have in my 173LW  is running high oil temp, 245+. Having read recent posts, I am planning to install a larger oil cooler with a vernatherm. I would appreciate comments from those who have done this. Is there a modification necessary for the factory oil bypass valve? 
Grover McNair
N832AB

 
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