This was a B20b8 block oem pistons with a B18c2 head and typeR cams ,ported skunk2 inlet with 68mm TB 4to1 long extractors into a 2.5 inch exh. Measured compression 10.7:1
running bigger injectors so no problems with fueling
This combo produced plenty of torque and wanted vtec really early
toy b20 18 143kw.jpg

Improvements in the valve train, camshaft and oil system should get this engine reving higher