dodgecbr..... ..after reading the full Ford Technical Bulletin, it is a TB for when you REMOVE the sidemount distributor and re-INSTALL it. Since the sidemount body is 360deg rotative in the block, just as the rotor shaft is 360deg rotative inside the distributor body; Ford included instructions for proper installation in the block and hence their "0-deg" spec. (and even Ford makes mistakes 'cuz they got the sparkies wires cap installation incorrect, firing order is 1,2,4,3 CCW) The 5-nipple sidemount timing is 4BTDC at IDLE (400-500rpms) as determined by flywheel timing lite. (see 3b) It is also the same as 0-deg static. (that means engine NOT running) Static is best determined by a "test-lite" lighting (NOT Ford's sparkie jump example) when the points open at 0-deg on flywheel by manually twisting the distributor body in the clockwize direction. ..... ..HTH, Dell,yer self-appointed sparkie-meister
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