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Transmission cooler in front of radiator?
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<blockquote data-quote="giles45shop" data-source="post: 751877" data-attributes="member: 5704"><p>When you say you have a Derale stacked plate cooler, is it a remote one with a fan (like the Derale Atomic) or something else? I had been cooling the 32RH trans in my TJ with a Derale Atomic that was mounted under the hood, but had an air inlet through a series of holes in the inner fender and an outlet through louvers in the hood. It would tend to get to ~ 180F (the fan would come on) withing about 10 minutes and would tend to run a little warm (~ 200F sensor in pan) if you ran for extended times at highway speeds. When I stretched the front out, I swapped to a Griffin wider/shorter radiator ( GRI-1-26221-x) for clearance and added a Derale series 10000 16 row stacked plate cooler in front of the radiator. This cooler is fairly small, so it doesn't block a lot of the radiator, and is very efficient (~ 32,000 btu). I have that plumbed as the first cooler, and then it flows to the Derale Atomic under the hood before returning to the pan. So far with this set up the fan in the Atomic has never come on and trans temp stays ~ 175F or lower.</p><p></p><p>Long story short, a higher efficiency cooler can be smaller, so if you mount in front of the radiator it would potentially [ATTACH=full]119850[/ATTACH]block less area. I'm using a single 16" SPAL clone with a shroud.</p></blockquote><p></p>
[QUOTE="giles45shop, post: 751877, member: 5704"] When you say you have a Derale stacked plate cooler, is it a remote one with a fan (like the Derale Atomic) or something else? I had been cooling the 32RH trans in my TJ with a Derale Atomic that was mounted under the hood, but had an air inlet through a series of holes in the inner fender and an outlet through louvers in the hood. It would tend to get to ~ 180F (the fan would come on) withing about 10 minutes and would tend to run a little warm (~ 200F sensor in pan) if you ran for extended times at highway speeds. When I stretched the front out, I swapped to a Griffin wider/shorter radiator ( GRI-1-26221-x) for clearance and added a Derale series 10000 16 row stacked plate cooler in front of the radiator. This cooler is fairly small, so it doesn't block a lot of the radiator, and is very efficient (~ 32,000 btu). I have that plumbed as the first cooler, and then it flows to the Derale Atomic under the hood before returning to the pan. So far with this set up the fan in the Atomic has never come on and trans temp stays ~ 175F or lower. Long story short, a higher efficiency cooler can be smaller, so if you mount in front of the radiator it would potentially [ATTACH type="full"]119850[/ATTACH]block less area. I'm using a single 16" SPAL clone with a shroud. [/QUOTE]
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