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I recently dyno'd my 2871R and got 378hp and 312trq with a slipping clutch and only 1 bolt holding the turbo on (yes I said one bolt) I had a habit of checking them every so often but I thought I finally go the problem fixed...i guess not. I dyno'd 353hp and 278trq at 15psi. (btw, these were done on a dyno jet) I know I'm making more power than I put down b/c I've been to the track twice before the dyno and I'm running .4-.5 slower in the 1/4. Last year I was able to pull a 11.0 @ 125....best I've got this year as been a 11.4 @ 122. I'm thinking alot of power is lost from the air leaking out between the manifold and the turbo and also some power lost from the clutch not letting it get back to the rear tires....
got a rps 6puck, fidanza flywheel coming, and I will be putting the other 3 bolts back in the turbo and may hit up the dyno again.
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