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Special K

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  1. For the 3 people that may find this interesting. After all the parts replaced and threats of physical harm made toward the car, the problem turned out to be................ injector harness. Car took a dump after 8 hours at Road Atlanta after having some work done by Primal (Racing Analytics) to fix the original problem that started this thread. After a return trip to Primal following Road Atlanta, they found the injector harness was contributing to injector failure. So our consistent, time delayed 6-8 hour misfire that caused us to drop out of all but 2 races turned out to be that stupid
  2. So after replacing the temp sensor on the back of the block yesterday with no change, I fell back on the time tested method of staring blankly at it and wishing it would fix itself. While performing this intricate procedure, I finally heard a sucking noise under the manifold which I THINK is a leak from where its joined to the head. Going to spray some carb cleaner around it and eventually pull it off this morning and redo it. In response to the other posts, plugs are new and all firing as they should (tested that first), no cold cylinders. It idles fine, just misfires like crap
  3. Timing has been checked and reset, fuel pressure checked. checked for vacuum leaks, timing chain checked, good compression. Going to pick up a temperature sensor later today and use the timing light jumper on each plug to see what they're doing in that range (I like that idea). I know its going to be something stupid. It always is Thanks for the suggestions. I'll start checking things off and see what happens.
  4. I'm at a complete loss and need the help of the internet.... 1990 Miata 1.6. At first, was idling like crap and would bog, burp, fart and crap the bed when attempting rev. Would misfire like crazy when driving. Caused us to leave AMP after the track day. So what has been done to fix this and make Barber? Glad you asked.... Engine was rebuilt after discovering an oil ring broke (huge thanks to Hastings for putting 3mm rings in a box labeled 4mm and us not realizing it, which explained the constant oil consumption) New PCV with engine rebuild New plugs
  5. Is there an updated pit assignment list to include Hoosier Daddy Racing? We're on the entry list but not on the pit assignment. Unless I missed a new list somewhere. If that's the case, I apologize in advance for the time everyone wasted reading this Thanks!
  6. Easy? Not really. Will have to drill out some rivets to get a panel out. But luckily, all of that is new so it shouldnt need replacing for a while. I'll cross that bridge when I get there.
  7. Finally done. All aluminum panels overlap. It took some doing, but it came out alright. Here's the one picture I got with my crappy old phone.
  8. Lesson learned about the miatacage kit I linked to. Definitely a pain to do around a cage. Ended up using half the kit and making my own aluminum panels for the rest of it. If anyone is interested, I can try to put some pictures up when its done
  9. Let me know how it goes for you. This is the final thing we have left to do
  10. Ok so here's the solution we've settled on. I assume covering everything with aluminum and sealing the overlapping seams with fire foam will make tech happy. And prevent our team from driving 7.5 hours to Daytona only to drive 7.5 hours back home. Thoughts? Suggestions? Snarky comments that will lead me to spend long nights in a dark room, pondering the life choices that brought me to this point? http://www.miatacage.com/package-tray-cover-kit
  11. Maybe its my own misunderstanding (entirely possible), but I took this section to mainly refer to aftermarket fuel cells, rather than the stock fuel tank in the stock location with the stock metal plates over it that make up the package rack
  12. So in an effort to make Daytona next month, the last bit of work is being finished up on our Miata. My question this time revolves around the parcel shelf (or package tray, if you prefer) behind the seat where the access to the fuel pump lives. We have rear bulkhead plates that cover the holes left by the OEM seatbelt retractors. With that, is fire foam filling all of the seams where the stock metal panels above the fuel tank come together acceptable, or is a metal firewall over all of that the correct way to go? The area where the backstays pass through into the trunk has all been fire fo
  13. So our car was purchased from a guy who had started a build and never finished it. The car was already caged and the cage itself had been removed from another car and installed into this one. In order to do this, a couple bars were cut, welded back together, and a sleeve (larger tube) placed over the weld and in turn, welded 360 degrees around, making a solid piece as strong (or perhaps stronger) as it started. Has anyone run a car with such a cage through tech or seen any issues with this? My understanding is that the process of sleeving over the weld and welding the sleeve is the accepta
  14. I think this is great. If professional series use systems like this, why not ChampCar? Anything that can supplement an already existing method and increase everyone's safety is a plus.
  15. 205/50/15... 30 offset. The fronts appear to be tucked in ok. The rears, maybe not enough. Rolling the rear fenders proved to be a lot of work for little gain. We now have fender flares on standby in case its deemed a problem, but I think we may have gotten it sorted out
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