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83 xvz-1200 replaced head gaskets due to low compression #2 & #3 q1, reinstalling cams, rear head #1 tdc#1 with small holes on edge of cam rail up, lines with cam cap mark. #1 I&E lobes up and face toward each other at about 45deg. front head #2 tdc#2 with large holes on edge of cam rail up, lines with cam cap mark. #2 I&E lobes up and face away from each other at about 45deg. does not appear both setups are correct. should the large holes be the ones in the end of the cam on front head? q2, still low compression #2, checked valve shim gap, believe problem, valves to tight in #2, including all measurments compression #1=120, #2=90, #3=90, #4=120 all measurments L-R, T-B looking at each exhaust side rear head #1 #1 #3 current shim I 270 275 278 272 gap mm I .102 .102 .102 .152 rounded shim I 270 275 280 270 sugg new shim I 265 270 275 ok current shim E 278 272 272 272 gap mm E .127 .151 .051 .152 rounded shim E 280 270 270 270 sugg new shim E 275 265 255 265 front head #2 & #4 #4 #2 current shim I 275 275 270 270 gap mm I .127 .102 .025 .102 rounded shim I 275 275 270 270 sugg new shim I ok 270 260 265 current shim E 268 268 270 270 gap mm E .178 .152 .127 .127 rounded shim E 270 270 270 270 sugg new shim E ok 265 265 265 I believe red shims are to tight and opening to soon, blowing some of the compression. Is it agreed? Have I figured suggested new shims correctly? Where can I get new shims and shim adjusting tool, think I figured out shim tool locks around cam like an open end wrench, swinging around to edge of lifters, pushing lifters down, allowing shims to be pried out. Is this correct? I may make a tool. Thanks for any and all info. Brian
