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Old 10-25-2014, 11:05 PM   #57 (permalink)
ctgottapee
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Join Date: Nov 2012
Location: Midwest USA
Posts: 44

the old boat - '93 Cadillac Deville *removed/modified
90 day: 24.2 mpg (US)
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My V8 Cadillac, as well as most big V8 vehicles comes with transmission and oil cooling as standard, and you could possibly use such a system for pre-warming or drive time warming.

The radiator has two side panels, one for the transmission, one for the engine oil, with in and out routings. The trans/engine oil is then cooled/warmed as it pumps through. You'd have to find a way to tie into your lines/system. All three fluids are kept within a certain range as the radiator is kept within range by the cooling system.

It's meant more for cooling, but in the winter time it also serves to warm both trans/engine oil up too, as the radiator is warmed by antifreeze.
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