I'm running the raptor as well as alot already know, it is producing 10psi peak boost, with a truely shagged auto it made 197rwkw's. diff gears are 3.89, have been to the strip once with great failure, the auto was slipping and free reved between 1st and 2nd gear change, the belt was also slipping resulting in peak boost only being around 5-6psi. One run with these issues resulted in a 14.6, I was then stupid enough to have a second pass, belt came off.
The belt slipping issue was due to it not being lined up 100%, this has been fixed, the auto is soon to be fixed, but before that, hopefully in 3 weeks, it will be getting intercooled, would get the auto done first but the fab guy doing the intercooler has had the bits there for a while now.
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