Go to Sidewinderdsm.com or call them at (727) 536-9881. These guys are really great and they know what they are doing, I've heard alot of B.S. about them and thats what it is B.S.! I've been to there to the shop and they get engines and the whole car shipped to the from all over the country for them to work on. Tony's got a 650 h.p. motor that was fully built by them in an engine stand that was shipped to them from Texas. Nice, nice, with knife edge crank, crower rods, Ross pistons, total seal rings, ported head, ss 1mm os racing valves, bronze guides, 3 angel valve job crower cam and kit, kevlar belt ect..... also a vr-4 built motor with all the goodies. If you need electronics, aem stand alone they can install it and progam it as well what ever you guys do I would check with them first, they even build trannys for our cars and have alot of parts in stock....they are truly the best dsm shop around!!!!