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Before we began the install, it was a good idea to baseline the car on a rolling road. We took it to DaSilva Racing in Pickering, Ontario, and strapped the big Merc down on the rollers. With 91-octane fuel in the tank, we did a baseline run in bone-stock configuration and were rewarded with 234 hp and 254 lb-ft of torque on the shop's Dynojet 248. Considering this is a heavy car, we could use a bit more grunt.