Just wanted to introduce myself. I've been interested in racing since I was a kid (I'm 28 now). This year for Xmas Santa is sending me to do the 3 day mx5 cup car school at Road Atlanta! A few months ago I bought a '91 Miata to use as a weekend toy/track toy for track days. My father-in-law (Santa) is convinced that I should turn my car into a spec racer (hence the trip to road atlanta to get our licenses).
So far, I've done the timing belt and water pump on my car and added a hard dog hard core single diagonal roll bar (not compatible with hard top). I added the roll bar before I knew spec Miata was in the picture. I'm guessing that will need to be yanked in order to get a cage in the car... What I'm trying to figure out now is how to slowly turn my toy into a spec car. I'd like to be able to drive it around town and do some hpde in it before it's no longer street worthy... Other than wheels, tires, and brakes what spec mods can I do to the car and retain driveability? I'm guessing the spec coilovers will shatter my teeth? What about sways?
Looking forward to reading through all the info on the site.
Region: Kansas City
Car #: 70
Year : 95 Posts: 477
Allen, Welcome to Spec Miata! You will get some excellent support from folks at this site.
Sways, intake, wheels, and tow hooks will work for street and help with track days. A shaved set of Toyo's on those wheels, for track days only, might be nice.
If you do a racing seat prior to the full roll cage, DO NOT USE the shoulder harness belts. Very dangerous in a roll-over situation without a full cage.
If Santa has a hole burning in his pocket, some options that you can transfer to racing that will improve your track days might include a traqmate GPS data system and a Go Pro Hero camera.
You might browse the classifieds and snag a low priced existing car, if nothing else, for the parts. You might need help picking the best bang for your buck, but the parts you could scavenge could pay for the car, and you will end up with a spare parts car. There are a couple $7-8000 examples out there right now.
If you have any questions on the build, feel free to PM me and I can at least point you in the right direction.
Car #: 20
Year : 92 Posts: 1801
Allen, Use the search function on this site. There are a ton of guys who have done what you are starting to do. A lot of it has been discussed here, not that you won't get new information, if you wait a little bit. An SM car is street worth, if way too stiff for a daily driver. My advice is to first read the SM specs in the GCR, which will prevent you from making modifications that you will have to unmake to get the car back to legal. Download here: http://cms.scca.com/documents/Club%20Forms/2010%20Tech%20Forms/sm-jan.pdf
Get Jim's Spec Miata set up guide, too. Available on this site. wheel
Car #: #26
Year : 1991 Posts: 334
Ditto on Dave's book. Lots of great info there and step by step help with the build. Certainly less expensive to buy a SM already done than to do one form scratch, but great satisfaction from doing one yourself.
The spec suspension is pretty streetable IMO. But, in any event, get lots of track time - autocross, HPDE's etc. That is your best investment!
-------------------- William Bonsell SCCA/ICSCC #26 SM/ITA
Car #: 7
Year : 1999 Posts: 636
I'd begin to learn the car in as close to race form as possible, so I'd suggest you install the SM suspension kit before beginning to track the car. There will be less of a learning curve once you do get it to the track. I drove mine like that towing a 12ft tire trailer for 8K+ miles 2 years ago before I stepped up to a tow vehicle and trailer. It rides a bit hard, but it's very streetable if you're not comparing the ride to a Cadillac or Buick.
-------------------- -Cy Supported by LTD Racing & Speed Shack - New England's Premier Auto Accessory Store Rt1 AutoMile - Norwood, MA http://www.speedshackonline.com