Quote:
Originally Posted by chicane
Yes Kevin, technically correct. I should have expounded on my use of 'heat exchangers' when talking about engine cooling specifically.
The following pictures are what I would consider my 'normal' application in cooling... this is actually what I talked CarlC into doing (I'm really good at spending his hard earned money.) I typically like to package both engine cooling and oil cooling for the numerous and mutual benefits. I have used this set up to cool and control the cooling of 850-1000HP use in places like the desert southwest (Phoenix Az and Las Vegas Nv, etc.)
This utilizes a 13 plate heat exchanger for engine oil cooling... however, it works almost too good... and I would recommend the use of a oil thermostat as to not over cool the engine oil.

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I figured you were talking about oil cooling. I feel that I can always add an external system down the road if it is necessary.
When you talk about extreme conditions, are you meaning just cruising down the road in Az or Las vegas, or auto crossing/racing in that heat?
Quote:
Originally Posted by Vegas69
I tried the heat exchanger setup on my big block(666hp) and it wasn't up to snuff with a stock width radiator core and the most extreme conditions. (Road racing sessions) I've since separated the oil and water cooling by going to an air oil cooler. It's made a big difference in temps but I haven't been back on the track. I think a heat exchanger could possibly work with the additional width of the autorad set up and larger fans. Big blocks make BIG heat.  I went with the heat exchanger to help get the oil up to temp faster. It worked but ultimately overworked the cooling system. If you don't plan to take the car to extremes, you don't need as much cooling.
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That was my thought too, thinking that two separate systems would be best. That being said I am sure an integrated system would be fine in my application (not being a big block). Also a good point on the wider system vs stock width system possibly making the difference as well.