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Wow, nice. I have almost the same mods, just waiting to get the tune done. I hope I can get within 20hp of that dyno. Whats it like to drive?
It's been a blast to drive. I installed the SC pulley and heat exchanger a few days before I had EC tune the car, and I was thrilled with the boost in power. However when I first put my foot into it after the tune I was grinning like a 10 year old on his birthday! Power is up all throughout the powerband, but especially in the midrange. You will be amazed how the tune transforms the car
I also spoke with Adam at EC before I went to the dyno and he said that we might be able to extract a bit more power after tweaking the tune based on the AFR readings from the printout. I suppose the basemap they provide is a bit conservative since they can't dyno tune it. Regardless, I can't believe how much power these AMG motors can make!
Mercedes SLR McLaren 722 S Is Extremely Rare Example Modified by McLaren
Slideshow: A one-of-one U.S.-spec Mercedes-Benz SLR McLaren Roadster became even rarer after a factory-backed transformation at McLaren's headquarters.