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The Terminator
Engine/Tuning
Universal Dual Pass HE Install
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<blockquote data-quote="earico" data-source="post: 11750089" data-attributes="member: 114682"><p>I had a single pass Afco and it was leaking a little. So I decided to do something other than the norm. I bought a universal dual pass 3.5" core off ebay. It was $200 delivered and is a bar and plate design. The downfall is the weight. It's 18 lbs but will withstand hits from rocks better than a tube & fin design.</p><p></p><p>Here is the link to the unit: <a href="http://www.votionspeed.com/servlet/the-738/Water-to-Air-Radiator%2C/Detail" target="_blank">Water to Air Radiator, 26x7x3.5</a></p><p>It has a temp sensor bung and a drain valve a the bottom of it. I cut 2 of the mounting tabs off the bottom and made a bracket that wraps around the bottom of it to help support it.</p><p></p><p>Here are some numbers. These only consider core size since I can't actually measure the volume of the actual water channels. Looking at them visually I can say the water channel inside height dimensions are close to the same:</p><p></p><p>Afco core is actually 2.25" The top support plate is 2.5" but the core is actually 2.25"</p><p>2.25 T x 23.5 L x 6 H = <span style="color: Red"><strong>317.25</strong></span></p><p></p><p></p><p>Ebay core</p><p>Core is a true 3.5" thick</p><p>3.5 T x 24 L x 7 H = 588</p><p>Now divide that 588 by 2 since it's a dbl pass unit. <span style="color: Red"><strong>294</strong></span></p><p></p><p>I have 294 of flow for twice the length than that Afco had. So it flows around the same volume for twice the length. I will bet you that negates the loss of efficiency with the air going thru a thicker core.</p><p></p><p>Summer is almost here in Vegas. I will do some datalogs in the coming months and post my findings.</p><p></p><p>Now on to the pics. The black HE in the photo is a painted single pass Afco. I made the bracket that wraps around the new HE with some aluminum stock and a torch. There is a small bead of urethane along the length of the bracket to keep the bracket from moving around. You will have to relocate your OEM power steering cooler core. This new HE is so thick the back of it will be hitting the core. I just flipped mine up and mounted it to the radiator support.</p><p></p><p><span style="color: Red">You will also need to buy (2) 1/2" NPT to 3/4" Hose Barb fittings. Here are the ones I used as an example <a href="http://www.summitracing.com/parts/GAR-J9005" target="_blank">http://www.summitracing.com/parts/GAR-J9005</a></span></p><p></p><p>[ATTACH=full]316847[/ATTACH]</p><p>[ATTACH=full]316848[/ATTACH]</p><p>[ATTACH=full]316849[/ATTACH]</p><p>[ATTACH=full]316850[/ATTACH]</p><p>[ATTACH=full]316851[/ATTACH]</p><p>[ATTACH=full]316852[/ATTACH]</p><p>[ATTACH=full]316853[/ATTACH]</p><p>[ATTACH=full]316854[/ATTACH]</p><p>[ATTACH=full]316855[/ATTACH]</p><p>[ATTACH=full]316856[/ATTACH]</p><p>[ATTACH=full]316857[/ATTACH]</p><p>[ATTACH=full]316858[/ATTACH]</p><p>[ATTACH=full]316859[/ATTACH]</p><p>[ATTACH=full]316860[/ATTACH]</p></blockquote><p></p>
[QUOTE="earico, post: 11750089, member: 114682"] I had a single pass Afco and it was leaking a little. So I decided to do something other than the norm. I bought a universal dual pass 3.5" core off ebay. It was $200 delivered and is a bar and plate design. The downfall is the weight. It's 18 lbs but will withstand hits from rocks better than a tube & fin design. Here is the link to the unit: [url=http://www.votionspeed.com/servlet/the-738/Water-to-Air-Radiator%2C/Detail]Water to Air Radiator, 26x7x3.5[/url] It has a temp sensor bung and a drain valve a the bottom of it. I cut 2 of the mounting tabs off the bottom and made a bracket that wraps around the bottom of it to help support it. Here are some numbers. These only consider core size since I can't actually measure the volume of the actual water channels. Looking at them visually I can say the water channel inside height dimensions are close to the same: Afco core is actually 2.25" The top support plate is 2.5" but the core is actually 2.25" 2.25 T x 23.5 L x 6 H = [COLOR="Red"][B]317.25[/B][/COLOR] Ebay core Core is a true 3.5" thick 3.5 T x 24 L x 7 H = 588 Now divide that 588 by 2 since it's a dbl pass unit. [COLOR="Red"][B]294[/B][/COLOR] I have 294 of flow for twice the length than that Afco had. So it flows around the same volume for twice the length. I will bet you that negates the loss of efficiency with the air going thru a thicker core. Summer is almost here in Vegas. I will do some datalogs in the coming months and post my findings. Now on to the pics. The black HE in the photo is a painted single pass Afco. I made the bracket that wraps around the new HE with some aluminum stock and a torch. There is a small bead of urethane along the length of the bracket to keep the bracket from moving around. You will have to relocate your OEM power steering cooler core. This new HE is so thick the back of it will be hitting the core. I just flipped mine up and mounted it to the radiator support. [COLOR="Red"]You will also need to buy (2) 1/2" NPT to 3/4" Hose Barb fittings. Here are the ones I used as an example [url]http://www.summitracing.com/parts/GAR-J9005[/url][/COLOR] [ATTACH=full]316847[/ATTACH] [ATTACH=full]316848[/ATTACH] [ATTACH=full]316849[/ATTACH] [ATTACH=full]316850[/ATTACH] [ATTACH=full]316851[/ATTACH] [ATTACH=full]316852[/ATTACH] [ATTACH=full]316853[/ATTACH] [ATTACH=full]316854[/ATTACH] [ATTACH=full]316855[/ATTACH] [ATTACH=full]316856[/ATTACH] [ATTACH=full]316857[/ATTACH] [ATTACH=full]316858[/ATTACH] [ATTACH=full]316859[/ATTACH] [ATTACH=full]316860[/ATTACH] [/QUOTE]
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