So, after some consideration I took my old shocks to the local Koni importer who offers an inspection service for all of their products — free of charge. Peak torque was 159 rwNm at 5000 rpm and after that the curve sank to about 150 rwNm. Maggie came directly to my post at Nürburgring. After the build I had almost two years of happy high revving when the original conrods finally gave up. And yes, the man at the wheel of this furious on-board footage is said to be none other than Koenigsegg test driver Robert Serwanski. Well, one of the people that was very vocal in my posts about meeting up was Maggie who lives somewhere outside of Hamburg and wanted to meet up with me at the N-ring… but where could we meet? However, instead of concentrating on pure speed, they strove to realise the ideal of a well-balanced driving machine that would allow skilful drivers high levels of driving enjoyment without the need of a large-displacement engine. Down payment was entirely too high, was told I had to put down at least 15 grand to be approved for the vehicle.
The job was quite straight forward and I could complete it in my ordinary garage. What is the most noteworthy, in my opinion, is that this motor runs on a stock intake manifold, although port matched. They put me right in the car i wanted when i came-by and let me test drive it by myself without the typical salesman ride-along which i really appreciated. The potential of producing current figures has always been there but the output has been hampered with various restrictions. What is a race car without a proper suspension and brakes? Shocks could be revalved afterwards if stiffer springs were needed. Advancing intake means that valves open earlier and also close earlier.
Finally this spring I made the latest to the dyno inertia type once again. Torque gains are significant, but they are in mid revs. I also checked that the intake manifold was port matched to the head. I was lucky to get help from a fellow race car builder who suggested a couple of smart changes: to add triangle plates, use sturdier tube for door bars and make them removable. You may wish to check with the manufacturer or your local Mazda dealer, before making a purchasing decision. Just sell cars at fair prices if you dont want bad reviews.
Obviously engine has reached its maximum torque, about 140 rwNm , in current setup and flow reaches its limit at 6750-7000 rpm. Real life examples are from two Finnish private engine builders, both measured at the same dyno. The Suspension Package standard on Club is optional on the Grand Touring. The 6-speed automatic is available across the board, but the retractable hardtop is not offered with the Sport. There are some general rules, though.
For some reason the front bends down when front wheels are jacked up. I prepared for the dyno session by checking the valve lash and noticed that they all were on the loose side. I went for 6,6 kg in the front and 4,4 kg in the rear, which the Koni mechanic recommended was a good starting point. The Miata hobby was borne of Motorsport but took on a life of it's own. With revised cam timing this setup produced an estimated 160 crank hp. The result was a bit disappointing with only minimal gains 135 rwHp and 145 rwNm. The curve radiuses vary as well, but the toughest are those curves where the vehicle and passengers are literally pressed together.
What happens when intake cam is advanced, in this case 9 degrees, is that dynamic compression increases. Among other things, we learn that over about 135mph Camaro's wipers start to lift, so bear that in mind. Yes it is not your average used car but it is still not worth the asking price and they are laying in wait for someone who is not savvy enough to not overpay for this car. Moving up to the Grand Touring adds 17-inch wheels, automatic climate control, heated seats, leather and a Bose audio. The racy Club adds a sport-tuned Suspension Package, front air dam, rear underskirt and appropriate trim and appearance items. Nowadays to an untrained eye it might just look like another Ford Sierra with some stickers on it. Marshal Cam is a video channel that promotes volunteering in Motorsport, give it a whirl and get a free patch for your participation.
In theory bigger overlap should give better flow in higher revs. Pivot point is more or less where the floor and door sills end and fire wall begins. N ew valve guides were installed and stock valves received a three angle grind to improve the head flow. Door bars are made of 38x3 mm steel tube and bolted on to the support in the front and to the roll bar in the rear. Instead of the standard 1. High torque in high revs means high power. Here in classic roadster country there are small roads with lots of tight curves, garnished with rough and porous surfaces.
But Camaro has a rich track history, as the demonstrated in Trans-Am. When it can sustain 90-plus mph, it sticks very hard. Whatever they're doing, it's working. Another visit to the hub dyno was made in 2012 with a new 60 mm diameter throttle body installed and ported to the intake manifold. From the N-ring we went for a little spirited drive around not on track but literally around, using small country roads the Nordschleife to have dinner in Adenau. The Miata has its own racing series two of them, in fact , has earned universal appeal from all ages and both sexes and is known and admired around the world.
For about the first six minutes, Dean is cruising. This was another proof that the problem was the weary connection between the middle section and the front. The autobahns are relatively empty and have no speed limits; the country roads are not all smooth and have various surfaces. This thing is as crisp as a fresh-out-of-the-bag potato chip. Early closing means that there is more cylinder volume to be compressed, thus higher dynamic compression. I was more than happy that a set of Eibach racing springs was included in the kit.