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MrMiniman
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PostPosted: Thu Aug 14, 2008 11:01 pm 
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I work on large diesel engines, mining, marine ect, some oil coolers i use when doing repowers have therostats fitted in the cooler's core, this solves all your problems, just about all industrial engines in the states and europe have them fitted because of the cold weather, might work on a mini?? Try Fluid Dynamics in melbourne if u are Keen?

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Mick
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PostPosted: Thu Aug 14, 2008 11:22 pm 
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I've seen these advertised for a few years out of the UK, how do they work, do you need a bypass pipe around the oil cooler??

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BALLISTIC
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PostPosted: Fri Aug 15, 2008 3:54 am 
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Oil coolers are rarely needed on street cars no matter how hard you try and drive them but track cars on the other hand get the benefit from having them due to the higher state of tune and the excessive load etc put on the engine and gearbox to warrant the extra cooling.

Mick wrote:
I think the scrapings that once made up 60s sump oil are long gone. The need to keep the oil cooler than 110 where it used to begin to break down is long past.

Modern oils are like comparing a 2008 Ford Falcon to a 65 model Ford Falcon.


:? So whats the difference between the 2008 & 65 frauds? ....oh thats right the '65 spent more time on the road and out of the workshop for warranty issues :!: :!: :wink: :lol:

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Spaceboy
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PostPosted: Fri Aug 15, 2008 6:14 pm 
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oil may have changed, but no modern car runs a gearbox in sump oil!
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Mick
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PostPosted: Fri Aug 15, 2008 6:26 pm 
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Spaceboy wrote:
oil may have changed, but no modern car runs a gearbox in sump oil!


Yeah, that's very true. And it works so well...
But it's not reflected in the oil temps it seems, although it certainly seems to sort the good oils from the bad.

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MrMiniman
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PostPosted: Sat Aug 16, 2008 1:24 am 
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I've seen these advertised for a few years out of the UK, how do they work, do you need a bypass pipe around the oil cooler??

Mick, the way the cooler is designed is that when the thermostat is closed inside the cooler, it redirects oil flow so that it does not pass through the core( straight through the top tank), and doesnt cool down the oil, so the bypass is designed into the cooler

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albino235
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PostPosted: Sat Aug 16, 2008 9:05 am 
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I have seen these oil cooler thermostats come as a sandwich plate between the spin on housing and the filter. If I was putting a cooler on I would do it this way 8)
The good ones allow a small amount of flow through the cooler at all times (eg. 5%) so that your engine doesn't get a shock if the thermostat suddenly opens and dumps cold oil straight into the engine. Eg. going from 80 deg oil to suddenly 20 degree oil...

At any rate I saw the whole exercise of adding a cooler, thermostat and associated piping and fittings as a lot of more things to go wrong and a lot more potential oil leaks :lol:
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simon k
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PostPosted: Sat Aug 16, 2008 11:25 am 
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I had my grille out the other day, and was quite pleased to see that the oil cooler gills are nicely filled up with gunk - I had a piece of thick card over it for a while last year, not needed anymore ;)

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