4A-GE MK1 Engine OST-020: Variables [Archive] - Toyota MR2 Message Board

4A-GE MK1 Engine, port, blend, roof, deburring, $140, work, polishing, $120, guide, intake, re-taper, bosses, kind, camshaft, largeport, supplied, smallport, walls, $275, loynings, current, reliable/more, angle, hand, lapped, valves, valve, http://hachiroku.net/forums/showpost.php?p=220951&postcount=1, journal, clearances, pricing, retaper, machine, good, awesome, variables, chamber, balancing, volume, exhaust, deshrouding, bowls/seats, words, $160, ost-020

http://i79.photobucket.com/albums/j143/oldeskewltoy/MOmo/ost020.jpg My client for OST-020 sends me an email asking me for a head. He explains to me he has a specific aftermarket piston that has a STATED compression ratio of 8.6 to 1, and he his target compression ratio of 9.0 to 1. He further informs me that the block and pistons have already been machined to go together. Now why did I title this Variables?? Well, lets look @ the variables for this build and see............