In reply to Marcus_NineLivesRacing :
Good timing to bump the thread, I was going to update it today with results :)
To answer the most important question first: Yes! I dropped almost 3 seconds off of my personal best at both Palmer Motorsports Park and Thompson Speedway in the past two weeks! It was enough to win my class @ the SCCA Time Trials National event this past weekend :)
I'm not a terribly aggressive driver, and this kit makes me feel a lot more confident. I'd liken it to driving your car on track right after you put in your first race seat and harness.
I do need more springs now :)
It's also interesting what you ran across with the PDF, I have all of the prototypes in my garage and they all lined up on my NB steering rack properly. Maybe the file Johnny used for the PDF is off or maybe it got off during the conversion to DFX?
Absolutely possible. I had to convert from PDF to DXF using Inkscape, and then after cleaning up the DXF in my CAD/CAM system, I had to scale it to the dimensions given. I did the conversion 3 times to make sure it lined up to the best of my abilities (i.e., I didn't fat-finger something somewhere).
I'd happily send in my DXF to compare to yours if you'd like to check? I have to say that I was disappointed that I didn't just get a already-to-size DXF without properly labeleled views and dimensions other than those two..
Hardware note, the m6x1.00 bolts used to mount the top of the sturdy-bois, there's already two on the frame(unless yours are gone) so we include the other two required.
That makes sense. This car was a spec miata before hand, so pretty much everything unneccessary that was legally allowed to be removed was already.
Splitter note, have you made side-supports yet?
Not yet, but I do have to snag a picture of my last mod done to the splitter.. was obviously having some deflection as the dam kept popping out and there was a bunch of gravel and rubber getting jammed in the little slot. What I did was just put some "L" brackets behind the slot (only secured to the splitter) and a bead of RTV in front of the dam. Seemed to work great. I'll make side supports if I still seem to be getting separation after this, but it's hard to beat a $5 tube of RTV :)
QA note, which holes weren't all the way punched through?
I'd say about 75% of them on the brackets were not punched through. It looks like the normal smearing you'd get drilling aluminum where you pushed some material at the end instead of cutting it. The base that mounts to the splitter was fine.