In this video, I install the DMCH UltraDrive angle drive in my '81 DeLorean, replacing the broken factory speedometer angle drive. The factory angle drive has a nearly 100% failure rate, resulting in loss of speedometer and odometer. Over the years the OEM supply has been exhausted, and the reproductions in many cases are not much better than the factory unit. In 2025, DMCH introduced the UltraDrive which was designed from the ground to overcome the issues with factory and aftermarket designs. Spiral bevel gears, stainless housing, Oilite bearings, and a sealed design mean this angle drive will be a permanent fix to a common problem.
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DMCH UltraDrive Install, Angle Drive Replacement - DeLorean #5637
In this video, I install the DMCH UltraDrive angle drive in my '81 DeLorean, replacing the broken factory speedometer angle drive. The factory angle drive has a nearly 100% failure rate, resulting in loss of speedometer and odometer. Over the years the OEM ...
Open this video on aaroncakePart 58: Air Suspension 4 - Plumbing, Finishing and Demo - My 76 Mazda RX-5 Cosmo Restoration
It has been a while, but finally it is time to finish the air suspension! And what does that mean? Plumbing, wiring, plumbing, and more plumbing. In episode 58 of my '76 Mazda Cosmo restoration, I wire up the compressor, pressure switch and control relay. T...
Open this video on aaroncakePart 57: Air Suspension 3 - Compressor, Solenoids & Tank Brackets - 76 Mazda RX-5 Cosmo Restoration
Episode 57 of my '76 Mazda Cosmo Restoration picks up exactly where episode 56 ended: fabricating the brackets to mount all the air suspension support components. Here I complete fabrication of the tank, solenoid and compressor brackets. The idea was to cre...
Open this video on aaroncakePart 56: Air Suspension 2 - Front Air Struts and Brackets - My 76 Mazda RX-5 Cosmo Restoration
At long last, episode 56 of my '76 Mazda Cosmo Restoration is here! In this episode, I experience a rare phenomenon; a part that almost bolts on! Very few modifications are needed to fit the Air Dynamiks air struts, meant for a 2nd gen RX-7, into the Cosmo ...
Open this video on aaroncakeScotty Kilmer's SHOCKING Rotary Misinformation
Watch a Scotty Kilmer video wtih me and actually learn something! It is SHOCKING what a mechanic of 56 years doesn't know about the rotary engine, and you should be SHOCKED to learn nearly everything he says is wrong! From the comments: 1. The "weird engine...
Open this video on aaroncakePart 55: Air Suspension 1 - Rear Bags - My 76 Mazda RX-5 Cosmo Restoration
Episode 55 begins the project I've wanted to do since even before I bought the Cosmo: air suspension! In this video I modify the rear trailing arm to accept the air springs, create mounts to allow access to the bolts and fittings, then modify the frame rail...
Open this video on aaroncakePart 54: Better HVAC Bracket and Improved Balls - My 76 Mazda RX-5 Cosmo Restoration
Time to tackle two more aspects of my previous work I am unhappy with. In part 54, I'm re-fabricating the bracket used to adapt the Vintage Air Compac Gen 2 HVAC unit (parts 29-31) and fixing an issue with the front camber I created when I used Mazda 626 ba...
Open this video on aaroncakePart 53: Again With The Intercooler?! - Part 2 - My 76 Mazda RX-5 Cosmo Restoration
In part 53 of my '76 Mazda Cosmo restoration, I finish the rework of the water to air intercooler I started in episode 52. With the ideal position established, all the tubing needed to be changed to match. And if I was doing that, well, I figured I may as w...
Open this video on aaroncakePart 52: Again With The Intercooler?! - Part 1 - My 76 Mazda RX-5 Cosmo Restoration
In any long running project, and no one will debate that this is a long running project, there are always things that one looks back on and reconsiders. And for years, there has been a big one in the engine bay: the intercooler. I was never happy with the a...
Open this video on aaroncakePart 51: Electronic Instrument Cluster Conversion - Part 5 - My 76 Mazda RX-5 Cosmo Restoration
Episode 51 of my '76 Mazda Cosmo restoration is here! First, let's talk length. That's what she said. I know it's ridiculously long. The title of my sex tape. Thing is, this video contains the entirety of final assembly of the electronic instrument cluster ...
Open this video on aaroncakePart 50: Electronic Instrument Cluster Conversion - Part 4 - My 76 Mazda RX 5 Cosmo Restoration
Episode 50 of my '76 Mazda Cosmo Restoration is packed full of detail and information. Possibly more than any other episode released. Because after all, there's a lot to say about designing and building an Atmel 1284 powered CANbus communicating, stepper mo...
Open this video on aaroncakePart 49 - Electronic Instrument Cluster Conversion - Part 3 - My 76 Mazda RX 5 Cosmo Restoration
It's been a long while, hasn't it? Who would have thought that retrofitting a 44 year old instrument cluster with modern electronics and building almost everything from scratch would be complicated? Yep, that's right. It's part 49 of my '76 Mazda Cosmo Rest...
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