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Aluminum wouldn't be strong enough. The steel is coated and the solid rivets are brass. If installed properly will not move in any way shape or form against the aluminum (the floating part is captured within the steel body). I don't see any issue with steel/aluminum corrosion in our application...

It depends on how the car was built. IMO, you don't want screws visible in the door jamb. The tub is attached to the chassis and if trimmed properly, the body and tub do a good job of indexing into each other without the need for visible screws in the door jamb. If you're not having squeaks or...

If you're going to drive your car in, you need a side hatch. However, I wouldn't be comfortable driving my SL-C into a trailer. The Aerovault comes standard with a winch, a battery charger and water-proof charging port which allows you plug in an extension cord (it also charges while being...

I have an Aerovault MKII and love it. Aluminum monocoque, enclosed quality axles, quality tires, iconic/aero dynamic shape. Given it's light weight, quality engineering/materials and focus on aerodynamics I guarantee that you won't find anything that's as easy to tow.

I used icengineworks to design a complex equal-length 180-degree crossover exhaust (it actually crosses under the dry sump) The primaries step from 1-7/8" (green) to 2" (yellow) so I used multiple kits. The merge collectors fire in a proper rotary sequence, one side is CW and the other is CCW...

My wife doesn't think so! I'm working on a plugin for my website so that you can interactively spin them 360 degrees. Me too! It will happen in 2024. Over four and a half years ago I modified the fuel filler neck to clear the throttle body and the induction tube. The mod isn’t difficult, but...

If the air cups take 2/3 less space than the RamLift cups on the dampers, you'll be able to solve the front no problem and they might make the rear feasible.

Jeff, Pnut installed a pneumatic lift system and used a tank that was much smaller than what was included in the kit. He only has pucks in the nose, so you'd likely need to double the size that he had. IMO, you only need enough capacity to do a single lift. Most available tanks will be...

I loved my headers in raw stainless steel so before they were coated I had them photographed. The photos just arrived. He did a several 360-degree shots using a rotary table. I'm going to convert them to video, but here are few. Note that the joints that aren't as pretty are where the tube steps...

Ken, Thanks for the suggestion. They're installed, the splash of color is growing on me and I've decided that I need to find more parts that I don't change so I'm going to keep them as is Rus, I'm glad you're enjoying the writeups. They help me remember what I've done and hopefully provide some...

When I made the initial decision to run E85 I was aware that everything in the fuel system needed to be E85 compatible and that I needed to add an ethanol content sensor. I subsequentially learned that E85 contains 40% less BTUs than gas which means that the system must flow more. Since E85 is...

I was leaning towards Performance White on the headers, but I decided to go with Performance Graphite. It matches my color scheme better and it will be less likely to show wear. Zirocotec ThermoHold Performance Graphite The catalytic converter assemblies will generate a lot of heat so I had...

Brian, IMO Zircotec offers the best solution for my use case. They have pedigree in motorsports including F1 and halo/supercar OEMs, a patented coating and significant intellectual property around the process. They have a rigorous preparation process that include washing with a strong detergent...

Brian, After a lot of research, I'm going with Zirotec's patented ThermoHold coating. Most ceramic coatings consist of ceramic chips suspended in a polymer. They are applied with a spray gun and then baked (Zircotec also offers a lower-performance coating like this). ThermoHold is more akin to...

I’m finishing that last couple of items on the headers and catalytic converter assemblies before I have them ceramic coated. The headers and merge collectors have double-slip connections which are typically secured with springs similar to the one shown below. Instead, I used these cast...

To improve the serviceability of the tail subframe I sectioned the 1/2” tube in two places. However, the smallest tube connector I could find was for 1” tube. I considered machining them, but I need four and each requires multiple lathe and mill / rotary table operations. Given that my standards...

I had C&R Racing design and fabricate a custom radiator and shroud for my SL-C. I was able to increase the width of the radiator while adding two isolators per side. Apparently the side tanks only need to be wide for the inlet and outlet tubes. They used this isolator from McMaster...

I spoke with him a couple of weeks ago and he was machining new bell cranks on his CNC machine. He's been busy with family and work and hasn't had a lot of time to work on the car.

The heat shields that protect the chassis from the headers are finished. They were complex because the stock 2”x 2” chassis rails aren’t parallel nor co-planar and, complicating matters, I scalloped four of the chassis tubes to accommodate the headers. In addition, there were several hoses in...

I built mine on top of a hydraulic lift table. The advantage is that I can adjust height and use it for other tasks. When not in use, I can stack stuff on it or lower it and push it under a bench or shelves so that it doesn't take up space. I fabricated two engine mounts which bolt to the top...