In obtaining the radiator layback dimension details, the water pump center pin was used as an intersect point from both the bottom of the top tank and bottom tank. Alexander obtained measurements from four main points on the radiator, which included the bottom of the top tank to the bottom of the radiator core, radiator width, the water pump center pin to the radiator fins, and the layback of the radiator. Accurate measurements are crucial in keeping the overall form of the shroud nice and tight to the radiator as well as keep the unit streamlined. With the fan placement issues resolved, it was time to begin measuring for the dimensions of the fan shroud. To complete the update, he incorporated a water pump from a 250ci Chevy to the equation. To overcome this issue he installed a cast aluminum water pump riser by Zip's, which placed the water pump and mechanical fan 5 inches higher at the front of the engine. In stock form the engine's water pump is mounted far too low for the fan to be efficient. $10 for the 2 sheets of ABS plastic, $40 for 2 Silent Wings 3 120mm PWM High Speed fans, and $10 for the Argus Monitor software. If you have any questions or want a more detailed how to guide just let me know.With the truck being set up to run a 327ci Chevy V-8, his first order of business was to address how to effectively run a 15-inch mechanical fan. When creating the fan curve, I did have to increase the rpm to completely drown it out but 1600 rpm at 17 dB(A) is perfectly fine and it was better than my goal of 20 dB(A). While it does make some noise, the fans are able to drown it out even at low rpm. When I first started this project, I was concerned about coil whine/ electrical noise but this ended up not being a problem. Keep in mind that all testing was done with the side panel on and with the fan curves shown below. Additionally, the case fans are 3x pure wings 2 140mm fans at low speed , a 1tb ssd since hard drives are not quiet, and a 850 watt power supply because it can maintain 360 watts without the fan running.Īrgus Monitor: Idle Stressing both CPU and GPU The CPU cooler I use is a Be Quiet Dark Rock Pro 3 and is able to passively cool my i5-8600k OC to 4.8GHz while idle and when stress tested the temps reach 82 ☌ with the fans peaking at 60% (about 1000 rpm). The GPU is running at the factory OC: 1753MHz for GPU and 4050MHz for memory. While idle, my computer is under 12 dB(A) (again according to Be Quiet) since the fans only need to spin at 12% (about 260 rpm). I am unable to test this as the ambient dB(A) in the room is around 24-26 but I can confirm that I am unable to hear it (my computer is on a table 2 feet away). I did cut two notches in the back panel in order to slide the fans in and out (shown in the first picture).Īfter stress testing, the GPU peaked at 76 ☌ and the max rpm of the fans is 65% (just under 1600 rpm) and according to Be Quiet is about 17 dB(A). I also cut out the piece for the fans so connect to.Īfter that I was just cutting the four side pieces and gluing them together. I then measured the distance between the screw holes, made a template, and cut it out. Removing the stock shroud was easy, just four screws and unplugging the fan and rgb cables. I got the plastic from Amazon and went with 12" by 12" by 1/8" ABS sheets ( link). For software, I used Argus Monitor for fan speed control. Once replaced with Be Quiet Silent Wings 3 120mm PWM High Speed fans the minimum is now 12% (about 260 rpm).įor this mod I used some sheets of ABS plastic, a jig saw to cut it, and superglue. Since the mod was fairly simple, I figured others would be interested in it as it won't void any warranty or require a full teardown. I did this mod on my Zotac 1070ti AMP because the default fans have a minimum speed of 40% (about 1300 rpm). I created a custom shroud for my graphics card so I could replace the stock 80mm fans with 120mm fans.
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