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Re: oil cooler adapter

To: tom strange <tstrange@sbcglobal.net>
Subject: Re: oil cooler adapter
From: Ted Schumacher <tedtsimx@bright.net>
Date: Tue, 14 Dec 2004 07:54:39 -0500
Tom, right you are on "pitch the cooler". WE see peopel at swap meets 
buying used coolers.   Ususally try to give them a business card for 
theengine pars they are about to need.  WE offer Mocal componenets for 
this plumbing operation.  Ted

tom strange wrote:

>Jack,
>  Right.... as usual.... I would add one comment on the sandwich adaptor... 
>pay attention to which way the oil is run through your adaptor.  Some adaptors 
>run the oil from the engine to the oil cooler first, then the filter... others 
>(harder to find... Ken, I think yours is set up this way) run the oil through 
>the filter first then the cooler.
>  IMHO the second, (filter first) is the better.  In case of making a minor 
>amount of metal insid the engine, the oil cooler may be salvaged.  In the case 
>of the oil going to the cooler first.. any amount of metal produced in the 
>engine is going to be in the cooler, making the cooler an automatic 
>throw-away; at least in my shop.  Re-used coolers have been the culprit for 
>many blown engines, just not worth the risk.
> 
>
>
>"Jack W. Drews" <vinttr4@geneseo.net> wrote:
>Some time ago I spent some time researching the adapter and the thermostat. 
>Here's what I found, although as usual it is subject to correction from 
>anybody who has direct and real life knowledge of them:
>
>The oil pumps in our engines put out oil at a quite a high volume and 
>pressure. If you instrument it and read the gauges, the unregulated 
>pressure out of our pumps is well in excess of 90 psi, which was the 
>highest my gauge would go. The filter adapter that bolts to the block sends 
>ALL this oil at this pressure through the oil cooler, and if you have a 
>remote oil filter, as used on some race cars, this means that the seal on 
>that filter sees a pressure en excess of 90 psi all the time. If that 
>doesn't bother you, that's okay, but it is probably the reason for the 
>frequency of oil cooler and oil filter failures in race cars. However, 
>there are two other adapters on the market that correct this. One is a 
>proprietary product sold by Greg Solow. The other is the round kind that is 
>sandwiched between the oil filter and the filter head, sold by Ken 
>Gillanders of BFE. There may be others. The latter two allow the pressure 
>relief valve to do its job on the oil going through all the external lines 
>and then through the pressure relief valve, so the engine oil gallery sees 
>the pressure set by your pressure relief valve.
>
>The thermostat that is shaped like an "H" is indeed a bypass design. That 
>is, at ALL temperatures, oil flows through the thermostat center leg of the 
>"H" and back to the engine. At higher temperatures, the thermostat opens up 
>and allows oil to flow both through the "H" and through the oil cooler. 
>Which means, of course, that not all the oil gets cooled, but again, that 
>may not matter.
>
>uncle jack 
>
>
>Tom
>#4 white spitfire
>
>  
>

-- 
Ted Schumacher
tedtsimx@bright.net
http://www.tsimportedautomotive.com
108 S. Jefferson St.
Pandora, Ohio, USA 45877
Fax: 419.384.3272 (24 Hrs.)
Phone: 800.543.6648 (US & Canada)
Tech/ Gen. Information/ Worldwide: 419.384.3022

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