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Monthly Archives: August 2020

  1. Building Endurance - Performance Radiator Kit R&D, Part 5 - Auxilliary Radiator Production Sample

    Building Endurance - Performance Radiator Kit R&D, Part 5 - Auxilliary Radiator Production Sample

    PERFORMANCE ALUMINUM RADIATOR KIT, FITS TOYOTA GR SUPRA 3.0L, 2020+

    When it comes to keeping the Supra cool, it's a team effort. True, the primary radiator is the team captain, but if you recall from our first post, the cooling strategy for the B58 means every component is a key player. To make sure the entire team plays well together when you put the hammer down, we gave the same special attention to the auxiliary radiators. Our production samples are in, so let's take a look at the new design.

    On the whole, these radiators received the same treatment as the primary unit. For starters, we ditched the plastic end tanks in favor of full aluminum units, which are TIG-welded to the core

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  2. Building Endurance - Performance Radiator Kit R&D, Part 4 - Primary Production Sample

    Building Endurance - Performance Radiator Kit R&D, Part 4 - Primary Production Sample

    PERFORMANCE ALUMINUM RADIATOR KIT, FITS TOYOTA GR SUPRA 3.0L, 2020+

    When it comes to athletes, it's all about continuous improvement. Tireless training, coupled with the latest gear, ensure that athletes stay on top of their game. When it comes to the petrol-powered athlete that is the A90 Supra, the Mishimoto primary radiator is essentially a combination of the two, building the car's endurance with a shiny new piece of gear. Before we dive into how the new radiator performs though, let's take a look at our primary radiator production sample.

    The most obvious improvement over the stock Supra primary radiator is the total lack of plastic on the Mishimoto replacement. As we covered in the last post, we ditched the plastic end tanks in favor of an all-aluminum

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  3. Steal the Limelight - Transmission Cooler R&D, Part 2: Design

    Steal the Limelight - Transmission Cooler R&D, Part 2: Design

    Despite its simple appearance, improving upon the stock 2018+ Jeep Wrangler JL transmission cooler will take some clever engineering. In many cases, the solution to extracting more efficiency from a heat exchanger is to make it bigger, but with the cramped cooling stack of the JL, the size of our cooler would be limited.

    In our last post, we looked at the stock 2018+ Jeep Wrangler JL transmission cooler and its home in the 2.0L Wrangler. Our performance trans cooler will fit all of the available engines and the 2020+ Gladiator, but the complexity of the 2.0T's cooling stack makes it the perfect R&D vehicle. That complexity also restricts how much we can change the dimensions

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  4. Youth Elevated - Snorkel R&D, Part 3: Production

    Youth Elevated - Snorkel R&D, Part 3: Production

    This Borne Off-Road Snorkel for the 2018+ Jeep Wrangler JL and 2020+ Jeep Gladiator is now available! Click here to check it out!

    There's something about the outdoors that lets us reconnect with our youth. Maybe it's the memories of playing outside with our friends, or the simplicity of nature reminding us of simpler times. Whatever the reason, we could all use a little more time outside. Your Jeep Wrangler JL is marketed as a go anywhere, do anything machine, but sometimes it needs a little help to live up to that persona. Here at Mishimoto, we've been working on parts to help it do just that, including our latest project: the 2018+ Jeep Wrangler JL/2020+ Gladiator snorkel.

    In the last post, we began the design process by 3D scanning our JL inside and out. We also discussed our options for routing the snorkel. In the

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  5. Youth Elevated - Snorkel R&D, Part 2: Design

    Youth Elevated - Snorkel R&D, Part 2: Design

    When we were kids, we had Legos, Erector sets, Lincoln Logs, and K'NEX to satisfy our need to tinker. But as we've grown, so have our toys. Modifying cars and trucks is the adult (ish) version of our childhood pastimes, and vehicles like the 2018+ JL Wrangler are as close to Legos as you can get. The latest brick in our JL Wrangler build is a snorkel to help keep the intake clean while you're reconnecting with your youth on the trail.

    In the last post, we looked at the stock intake and discussed why you might want to add a snorkel, even if you're not fording four feet of water. To recap, we explained that your JL's intake utilizes a fresh-air inlet in the fender area to

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  6. Youth Elevated - Snorkel R&D, Part 1: Introduction

    Youth Elevated - Snorkel R&D, Part 1: Introduction

    When we were 16, our cars were our tickets to freedom and endless possibilities. For many of us, those early days of driving were the basis for a lifetime of automotive passion. It didn't matter if we were driving our dream car or our grandmother's 1991 Buick Regal, as long as we were behind the wheel with our friends in the back.

    Somewhere along the road from 16 to adulthood, we lost that sense of freedom. Room for friends has been replaced by space for the kids and their bikes. Gas mileage now supersedes a killer sound system in the hierarchy of features. "How comfortable will this be on my 45-minute stop-and-go commute," has taken the place of "Will my crush think I'm cool in this?"

    But growing up doesn't have to be all car seats and MPGs. Many vehicles, like the 2018+ Jeep Wrangler

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  7. Coming in Clutch - DCT Cooler R&D - Concept to Completion

    Coming in Clutch - DCT Cooler R&D - Concept to Completion

    It's strange the path that automotive technology takes sometimes. Typically, it's a trickle-down effect. Top-tier race vehicles and techno-packed supercars are first in line for the latest and greatest gadgets. In the case of the dual-clutch transmission, it was a VW Golf (well, technically an R32) that was responsible for the trickle-up of the modern DCT into sports cars, like your F8X M3 or M4. Even with a non-conventional path to the M3, the Getrag paired with the S55 still needs to regulate temperature to operate to its true potential.

    Why does the transmission temperature on the F80's DCT matter? Simply put, the excess heat can wear the oil in the transmission prematurely, which diminishes the oil's lubrication properties. The DCT is, in essence, a clever combination of an automatic and manual transmission. However, instead of a torque converter, there is a pair of clutches that split duties between the gear ratios, most commonly split between odd and even gears. These clutches

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  8. Live on the Limit - Performance Radiator R&D, Part 1 - Stock Review

    Live on the Limit - Performance Radiator R&D, Part 1 - Stock Review

    When it comes to sports cars, sometimes the real joy doesn't come from a monstrous motor with oodles of power, but rather something small and nimble. A car that lets you utilize every horsepower and push it to the absolute limit. The NC MX-5 Miata defines that category. Sure, it might only have 170 hp, but you can use every single one, and effectively too. Thanks to its double-wishbone front and multilink rear suspension setups, the NC is more than capable of transporting you to the ragged edge with the wind in your hair and a grin on your face matching the Miata's front fascia.

    But, there's always a downside, and in the case of the NC Miata, it comes as heat. Like any car, the Miata was designed to be driven. The spirit of the Miata lends itself to being driven hard, which makes it even more likely to experience high temperatures. Luckily, we here at Mishimoto are hard at work devising a better means of coolant temperature regulation.

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  9. Strength of Heart - Transmission Cooler R&D, Part 3:  Production

    Strength of Heart - Transmission Cooler R&D, Part 3: Production

    This 2015-2018 Dodge RAM 6.7L Cummins Transmission Cooler is now on sale! Click here to check it out!

    When we last saw our 2015-2018 RAM 6.7L Cummins performance transmission cooler, it was an aluminum box with 3D prints for ports. In this post, however, we'll be taking that box and turning it into a fully functional transmission cooler. But first, we need to recap how we got here and perform one more test.

    In our last post, we finalized our design for our 2015-2018 RAM Cummins transmission cooler. Our performance cooler will use a tube-and-fin core like the stock unit, but to add cooling capacity, we'll be making our core 60% thicker than stock with a 112% larger core volume. We'll be improving the internal structure of the cooler by adding fins to the inside of the fluid tubes.  These fins make the cooler more efficient by adding

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  10. Steal the Limelight - Transmission Cooler R&D, Part 3: Testing

    Steal the Limelight - Transmission Cooler R&D, Part 3: Testing

    When we last saw our 2018+ Jeep Wrangler JL performance transmission cooler, it was nothing more than a box, constructed from aluminum u-channel, with plastic end tanks glued to it. This time, however, we'll be getting our hands on a fully functioning production sample.

    In our last post, we began the design process for our performance transmission cooler and created a prototype. Thanks to the JL's cramped cooling stack, our ability to enlarge the transmission cooler was severely limited in the vertical and horizontal planes. However, we were able to significantly increase the thickness of the core from 19mm to 32mm. This 68% increase

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