head refresh kit(?) which includes head gasket and valves seals, and ? check valve clearances (cold) and re-shim as needed, targetting factory minimum spec buy DIY thermal (ceramic) coating from and attempt to do the exhaust ports (this would prevent carbon buildup and reduce heat transferred into the cylinder head, bake in oven Hakuna style. have a small 45 degree cut done on the face of the exhaust valves have a small 25 degree back-cut done on the intake valves cc the chambers (how do I enlarge the volume of the ones that are small?) attempt to polish combustion chambers and exhaust ports
make sure exhaust manifold holes are bigger than exhaust ports sharpen or knife-edge the "fork" where the aiflow splits to the two valves, but only on the exhaust (is this correct?) cleanup casting flash and sharp corners in combustion chamber cleanup casting flash and sharp corners in bowl area and valve seats clean carbon off piston tops without taking pistons out buy Standard Abrasives deluxe porting kit from jegs (~$36) Use my Rotozip with 1/4" chuck, running at 15k rpm (its minimum) I also looked at Hakuna's pics, and I have that DIY porting book by Philips(?) check in, how long did it take and what tools and parts did you need? Did you find as much casting flash in the M2 head as the M1 head in Hakuna's site? Any other tips and tricks? While planning my short block replacement on my dead '00, my thoughts turn to DIY headwork.
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