I have a TH700R4 and I want to make sure I don't have any issues with it later on. I've already changed the fluid, filter, and the pan, clean as a whistle. I'd like to add a cooler just in case. I don't to much pulling but I might make some trips out to Colorado Springs and do some ocassional boat pulling. So here's all my specs '82 K5, 350, 700R4, NP208, 31" Michelins, 3.08 diff (upgrading to 3.73). Here's some eye candy for you to look at http://www.northernautoparts.com/ProductDetail.cfm?ProductId=112 That one is made by hayden, don't really care for it so far. <A target="_blank" HREF=http://www.northernautoparts.com/ProductDetail.cfm?ProductId=24>http://www.northernautoparts.com/ProductDetail.cfm?ProductId=24</A> This one is by Perma-Cool, I was looking at it until I saw the B&M one. Also, what size should I get. I was thinking around the 18,000 GVW size. June 2001 - The Texas Sawz All masacre begins. Be afraid rust, be very afraid.