[Fot] Was: Oil Cooler or Oil filter first? Now how to ID flow out the adapter?

[Tony Drews]

I can't identify in and out, but I have a theory on the blowouts.  Jack 
experienced that with a remote filter (which was before the cooler), and 
discovered that the plumbing was such that the oil pressure relief valve 
was AFTER the filter / cooler plumbing.  With a cold engine and high 
viscosity oil, the oil pressure in the lines was very high.

Cheers, Tony D

On 12/5/2018 8:53 PM, Bud Rolofson via Fot wrote:
> List,
>
> Thanks to all who responded about this. The consensus was to go to the 
> oil filter first to catch as much debris as possible before it 
> collects in the oil cooler. Everyone said with an exploded engine 
> (like I experienced) replacing the oil cooler is a requirement.
>
> So I did replace the oil cooler after blowing up the engine, but TWICE 
> I’ve had them ($160 Earl’s oil coolers) blow out and leak all over the 
> engine bay when doing a test and tune day at the track. I’m on my 
> third oil cooler and trying to reduce the oil pressure that on my gage 
> says 85-90 psi to see if that is what is causing the coolers to leak, 
> although they are rated at 150 psi or more. I put an extra copper 
> washer on the oil pressure relief valve but I’m not sure what is 
> really causing two oil coolers to blow out. Bad luck? Coincidence? Bad 
> parts?  I’m getting tired of oiling/cleaning my engine bay. I’ll find 
> out if my washers help on the next track day cause it has happened 
> after 4-5 laps the last two times when I was breaking in new rings. 
> Unfortunately the next track day could be a couple more months.
>
> So the next question I have is how to know which way the flow is out 
> of the adapter on the engine. See pic below and please tell me if the 
> oil is coming OUT of engine from the right or left fitting in the 
> picture. There are absolutely no markings or clues to tell me.
>
> Also do most of you measure oil temp on the oil coming out or going 
> into the engine?
>
> Thanks
> Bud
>
>> On Dec 3, 2018, at 8:39 AM, Kas Kastner <kaskastner at gmail.com 
>> <mailto:kaskastner at gmail.com>> wrote:
>>
>> Go to the filter first so any junk in the oil does not contaminat the 
>> cooler which is almost impossible to lean completly. If you ever have 
>> any engine serious problem  and the oil goes to the cooler first you 
>> can count on having to replace it also.
>>
>> *Never be beaten by equipment.*
>>
>>
>>
>> On Sun, Dec 2, 2018 at 11:38 PM Bud Rolofson via Fot 
>> <fot at autox.team.net <mailto:fot at autox.team.net>> wrote:
>>
>>     Listerati,
>>
>>     For those of you running a remote oil cooler and remote oil
>>     filter do you run the hose coming OUT of the engine into the
>>     cooler first or the filter first? Just wanted to see how and why
>>     (if there’s a reason) most run their lines.
>>
>>     Thanks
>>     Bud
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>
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