This is a Comparison Between Mike’s 95 SE-R with the S4 cams and John’s NX with the JUN 256 cams. John has the following modifications:

300ZX CERAMIC COATED PISTONS, OIL SQUIRTERS FROM TOYOTA 4AGE, PORTED/POLISHED HEAD, 1MM OVERSIZED INTAKE VALVES, JUN 256 CAMS, JUN VALVE SPRINGS, PRIMERA MANIFOLD, CUSTOM DOWNPIPE, 2.5" CUSTOM EXHAUST, UNIVERSAL MUFFLER, MACHINE CUT FLYWHEEL, CUSTOM CAI, FUEL PRESSURE REGULATOR

Mike has modifications similar to John’s sans the valve springs, the flywheel, and the regulator.

John does not have a header, pulleys, and ECU.

Mike has a low port and John has a high port engine.