I picked my car up from RK in the week after a complete engine rebuild, and no I am running it in. What I have found is there is no shuffle any more, which is good, mind you my missus was disappointed as she said she'd miss the chipmunk noise

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I am unable to report any power gains A, I am still running it in, B, there are a lot more mod now so from my cars previous configuration.
All in all, for a few hours work messing about in the garage, its a mod well worth doing.:thumbsup: