November 6, 2013
Since most editors treat this thing like a rusty razor blade, our 1997 Mazda Miata didn't cover a lot of ground in October. Still, we managed to run two tanks of gas through its tank. Click on through to see the numbers over the time of our ownership.
October 31, 2013
Since driving the 2014 Corvette Stingray across country, I'm fiending rear-drive manual gearbox love these days, and that combination is unfortunately rare in our fleet. But settling into the Miata the other night, I forgot just how freakishly compact its dimensions are. Without leaning forward in the seat, you can almost cradle the driver-side mirror in your arm like a football.
October 29, 2013
Monticello posted earlier about the passenger-side speaker vibrations in the Miata, the result of a blown speaker. The speaker's done, all right, flatulently flapping around between its magnet and surround. But I found a solution: balance hard left and some old mono recordings, like these solo funk-outs from James Brown's band.
October 25, 2013
See that fat metal bar just waiting for someone to stumble over it and break his neck? That's our 1997 project Miata's roll cage bar and while it's a useful addition on track days, it can make getting out of the car during everyday use a hassle.
October 23, 2013
Ever heard of Temple Grandin? She's a famous, very smart autistic person who's done a lot for autism awareness. During much of her life, she's worked with livestock, and one of her inventions in this area is the hug machine. I know this not because I'm well read, but because I watched the HBO movie about Grandin starring Claire Danes.
October 21, 2013
I recently did a story on the best vehicles for obese drivers. One of the things I learned while researching the story is that obese drivers are more likely to drive without wearing seatbelts. The reason is that the seatbelts on many vehicles are too short to accommodate their girth, making it difficult for larger drivers to fasten their seatbelts and wear them in comfort. There are solutions for this, of course, such as seatbelt extenders, but many of these drivers simply throw their hands up in the air and choose to go forth without being properly strapped in.
October 14, 2013
Look familiar? The engine shown in the back of our long-term Silverado belongs to Project Miata. After a hiatus, activity on Project Miata is chugging back to life. Rejoice! The Keegan Engineering-built long-rod engine has lain relatively dormant during this period, patiently awaiting several odds and ends and little fabrication jobs while I traveled the globe, worked on countless other projects and, hey, somebody's got to drink all this beer. In the meantime, the engine sat. And sat.
Hey, better slow progress than none at all. It could be worse. Just look at the House of Representatives.
October 11, 2013
Don't let that blue light fool you. Even though it's implying the air conditioning is turned on in our 1997 Mazda MX-5 Miata project car, trust me, the system definitely isn't producing any cold air.
Which is a fine thing to find out as you're driving home ahead of a hot southern California weekend.
October 8, 2013
The passenger-side speaker on our 1997 Mazda MX-5 Miata project car exhibits major distortion now when you use any real volume.
To be honest, I initially thought this distortion was related to the door bars we had installed by Blackbird Fabworx. My guess was that the speaker was touching the bar, thereby causing the rattle, but turns out that's not the case.
October 3, 2013
During the month of September we put 563 miles on our supercharged 1997 Mazda MX-5 Miata project car. We averaged 23.8 mpg for the month on 91-octane fuel, and the car's lifetime fuel economy average rose just slightly to 22.5 mpg.
July 2, 2013
During the month of June we put 814 miles on our 1997 Mazda MX-5 Miata. That's not overly surprising, as the Miata is more of a project car than one of our usual long-termers, and as such generally doesn't get a ton of miles put on it. Plus, it's small. And old. And what with the racing seat and stiff suspension, you make some compromises when you choose to drive this thing.
May 23, 2013
Holy crap. Project Miata's new catalytic converter has really reawakened this ol' tic-tac. To recap, the car had been feeling gradually less peppy, and finally the check engine light illuminated. At that point the car was also more detonation-sensitive than before and drivability had degraded a bit, too. But none of these aspects were overly prominent, just a collection of incremental nuances that I apathetically chalked up to age and hard use.
May 21, 2013
I decided to rotate the tires on Project Miata recently, and in doing so was reminded just how much chassis stiffness is afforded by its 6-point GT3 roll bar by Blackbird Fabworx. See that? In the picture above, there's a scissor jack supporting the front jacking point, and that's it. Both the front and rear tires are dangling in space.
May 7, 2013
If you've been following our Project Miata lately, you know it's had some issues.
May 3, 2013
If you, like us, reside in California, you'll quickly find that replacing your catalytic converter is a thorny issue. The replacement cat has to carry an exemption order from CARB to be allowed for sale in California (a so-called "50-state" cat), and not all catalytic converter manufacturers bother to certify their cats thusly. As a result, choices can sometimes be slim, especially if you drive a car that wasn't sold in great numbers in CA.
May 1, 2013
Project Miata's check engine light is illuminated. This is why.
April 30, 2013
Project Miata's check engine light is on. This is the code that came up: P0420.
P0420 is a catalyst efficiency code. This could mean that our cat's not functioning properly, or an oxygen sensor is on the fritz or even something else.
April 29, 2013
While we've got a big upgrade in store for Project Miata. In the meantime, it continues to be driven. And, surprise, a check engine light.
April 26, 2013
That's not an underdrive pulley above, it's a crankshaft damper by BHJ Dynamics. I want to be clear about that, because friends don't let friends install a solid underdrive pulley on the crank of a production-based engine. It's one of the brain-deadest things you can do to an engine. Forget that the reduction in inertia will be essentially nil in light of the manhole cover (a.k.a. flywheel) bolted to the opposite end of the crank. The bigger deal with solid underdrive pulleys is the big gamble they place on the durability of your crank, bearings and oil pump.
Many Miata owners learned this the hard way when their engine's oil pump shattered to pieces shortly after installing an underdrive pulley on their turbo Miata. To understand why this happens, the nerds at BHJ Dynamics have written one heck of a .pdf technical whitepaper for you. If that reading's too dense this early in the morning, try this: imagine what it's like to be a crankshaft.
April 22, 2013
If you've ever been around aftermarket turbos, you can probably already appreciate the TiAL Sport stainless v-band GT28 turbine housing, shown here on Project Miata's engine, sans Garrett GT2863R turbo. No bolted flanges! The v-band inlet and discharge are seriously convenient, and they eliminate the possibility of threaded fasteners relaxing, galling or seizing in the manifold.
What you can't see is that the housing is investment cast from Nitronic 50, a high-grade, heat-tolerant austenitic stainless steel. Its properties at elevated temperatures are superior to traditional turbine housing materials, so the geeks at TiAL Sport were able to reduce weight by roughly one-third without a loss in structural performance.