AJ , curious why you are wasting so much money on things that are just not going to help much if any ,
your valves you having made , the valves in the Merc AMG C63 will cost about 350-600 each to get made
knife edging the crank
cross porting the crank ?????
vernier pulleys on the cams ???????
You talk a good story but why put $20-30,000 into the SVT engine when you can add boost for about 4500.00 and built engine to make 600HP to the wheels for about 3500-4000.00 = 9000.00 and be done with it when adding another 10,000-20,000 to the engine wont net you another 100HP at the same boost ?????
You have said nothing about going to a larger diameter tappets in the head for the larger base circle your talking about with your cams (needed) valve springs where you getting them from , will take serious valve springs for this build ,steel crank , CGI Block , billet main caps , harmonic balancer etc etc etc
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