Yup, a few "mis-matches"... The overall concept is pretty good, in that a low-to-mid range engine with most of this will be pretty powerful.
Rather than change ALL the specifics, I would recommend a change to Performer intake instead of RPM. XE262H is a GREAT cam for a milder engine. It makes very good power and a fairly broad range. This is our (CVMS) cam of choice in stockish rebuilds, where GTO "sound" and performance are required. A combo very similar to this put 280 RWHP with an E-carb (ick) and went to just under 300 with one of Cliff's Q-jets.
XE262H does NOT require "adjustable valve train", even though it may say so. We've built many with the "torque to 20 lbs. and go.." method. Valve stem length and pushrod length ARE critical here. For a cam like this one, if your oiginal pushrods aren't rusty or bent, reuse them.
Based on your "Melling high pressure" comment, i suspect you are looking at parts in Summit or Jeg's. They're the ones mislabeling the oil p[umps. The part number of choice is Melling M54D-S. While it's listed as "high pressure", that's inaccurate. It's the"high volume" and "medium" pressure (if there is such a thing). The oil pump thing can get confusing. Trust me on the part number. Be certain to get IS-54A along with it (new oil pump driveshaft).
Good luck, have fun, and ask questions HERE, not from those selling the parts.
Jim
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