my basic combo is:

-383 + .030(4.280 X 3.388), 390ci
-TRW L2315's, block decked for +.018 deck height, std replacement OE type rings
-cast crank from a 400, offset ground for +.013" stroke, externally balanced
-906 heads, OE replacement valves, good VJ, milled to 80cc,
dual springs, no porting
-256/262, .560/.580, 106lsa cam
-Isky iron rockers, 1.5 ratio
-OE oil pan, 3/8" p/u, original 100,000 mile oil pump with HP spring(80psi hot)


i tested a bunch of carbs, some pullies, etc, and here are some selected results(as taken from the Tech Archives).