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View Full Version : Car transmission oil cooler on 400EX


Toadz400
09-12-2004, 09:39 PM
Would an oil cooler for a car transmission work for a 400EX? It is the same set-up just a larger oil cooler, probably slightly smaller than a normal sized radiator for a quad. I plan on boring out my 400 sometime soon and it gets very hot here during the summers and overheating is a major issue, and everyone knows the 400EX loses power quickly to heat during races.
44oEX
09-13-2004, 06:34 AM
it works great

http://www.imagestation.com/picture/sraid103/pb3d1e0d9d6199fc1fdebd8aa13100817/f9a66f31.jpg
olimj
09-13-2004, 12:43 PM
I did that on my 250x and it worked great, much cheaper too. I'm about to build my 400 and plan to do the same. Any idea as to the best way to plumb it in?
44oEX
09-13-2004, 02:52 PM
the easiest way is to use the stock fittings and just cut out the hose and and new flexible hose
Toadz400
09-13-2004, 03:44 PM
K, thanks. I thought it would work, looks exactly the same just you would have to mount it differently and get new lines, but I just wanted to make sure.
bigbadktm
09-13-2004, 06:42 PM
sweet i was thinking about that, and if it would work. any ideas on which one will fit best?
Toadz400
09-13-2004, 09:05 PM
Originally posted by bigbadktm
sweet i was thinking about that, and if it would work. any ideas on which one will fit best?

When I was at the NADA auto parts store, they had different sizes for the different sizes of vehicles and hauling weight. I would get the smallest one for the smallest hauling weight, which is still quite larger than a 400EX stock oil cooler. I believe it was about $30-50 too, pretty good for an "aftermarket" oil cooler.