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Black Mamba Racing Set To Unveil World’s Fastest Honda S2000
Not affiliated with team or article. They're building a LS powered S2000 to compete in the GT Cup in the UK. Pretty bold claim, though. There are some pictures in the article. will update as supposedly its going to race next month..
The Honda S2000 has been (very!) extensively modified and will be raced by former British GT and Radical race winner Demetriou in the GTO Group. In a quirky move the team has decided to build the fastest GT Honda S2000 in the world, rather than adopt the more traditional route of buying a GT3 car. No expense has been spared on the car’s development however with the build incorporating the very latest Chevy LS9 engine, Drenth sequential gearbox, Bosch ABS, Motec engine management and 5 way Ohlins dampers.
I'm a bit confused by calling the shocks TTX when they are virtually certainly TTR, although there seem to be some TTX models (e.g. Porsche 997) that have many TTR features.. The TTR's are very similar to the TTX in concept. However, they have a bigger 44mm piston (vs. 36mm), are a through rod design (the extension is still in the shock body, although given the low TTR nitrogen pressure it should have virtually no effect), and they have two extra adjustments allowing the shocks to be calibrated with each other separate from the adjustments. That isn't 5-way, but it is 8 adjustments.
Given the expensive components in this build—LS9, sequential gearbox, Bosch M4 ABS—it is hard to believe they didn't spring for the TTR shocks. This is a TTR:
I believe some Penske shocks are nominally 5-way, but that would be because they have two low-speed compression adjustments: one a poppet valve in the shaft and the other a needle in the reservoir. In that case the two low speed adjustments also had a slightly different range of wheel velocities where they had the most impact.
Also interesting is the use of the Bosch M4 ABS. Compared to regular ABS, it is tuned to race tires and letting the driver get more control. It has 12 settings and can be turned off. Porsche GT3 Cup cars use it; they come with the harness to connect it but don't come with an ABS (or tires for that matter). The Bosch M4 Cup includes a universal harness and sensors at $6700, just a tad more than StopTech Trophy front and rear kits. For someone in close wheel-to-wheel racing it could mean the difference between making a pass or not.
Ford has had racing ABS for some of their race specific Mustangs (FFR500, 302R). Honda has some for different Civics at $3800 and $1600. No idea if they are S2k compatible.
Jeg's has the LS9 as used here for under $22k delivered. S2k-LSx conversion kits exist, there was a whole forum/website dedicated to the conversions. The sequential transmission is nice, but S2000s and LSx powered cars have had them before. Quaife even has a whole S2000 ready sequential trans with bellhousing on its website.
Is it the first S2000-LS9 conversion? That it is a dedicated race car has pluses and minuses to the project. It will be more severely tested...but it doesn't have to deal with all the street passenger car components...for example starting with a clean sheet for the wiring harness and brakes.
Another question: is it really better than just starting with a Z06/Z07?
04-21-2017, 04:22 AM
Black Mamba Racing Set To Unveil World’s Fastest Honda S2000
