After spending a bit of time looking at the motor mounts I decided I didn't like the peaks sticking up, so I cut them off level and capped them while adding the mounting plates. There is no question these will support the engine.
I've also added diagonal bracing- the following picture only shows the front additional tubes. I later realized I went the opposite direction with them than most people though the end result will be the same as far as stiffening the frame. The tubes are actually pulled in a little closer to the engine this way but I will still have plenty of clearance with the engine, exhaust, and steering components, so I'll leave them this way for now.
Here's another picture of the bracing.
And I'm now beginning construction on the rear end. Because I'm using a Miata donor I'm designing in an independent rear suspension. This is a tubular version of the Miata subframe and is actually quite easy to build... after spending way too long plugging it into LibreCAD. I really hope it works!
I've always dreamed about building one of these, I took the lazy/easy way out and bought a sports car instead. Maybe one day I'll get around to building one, but I've been keeping up with your blog and it looks awesome! I'm incredibly jealous.
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