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Hey Y'all
I'm in the heat of lacing up my 76' Ironhead and I got a question. Which side of the cam gears are you guys shimming. I've read all the threads (ty btw) and looked at the service manual and various youtube tutorials. The manual says shim both sides. I've seen people only shim the outside AND people only shim the inside. I've also seen the service bulletin that says there's no need to shim them. My technical background makes me think thats crazy. When I opened the case some of them (the inside ones) were sheared in a way that made them almost two shims. It make sense, to me, that you would only shim the outside because 1- the shoulder of the cam gear matches the size if the shim (so no shearing). 2- Cam #2's shims are bigger and can only be dropped in from the outside (cam cover side) keeping the gear alignment consistent. 3 - you don't have to take out all the gears and reset the timing after you measure the back play. I'm looking to do this in the next few days and would really appreciate any advice.
I'm in the heat of lacing up my 76' Ironhead and I got a question. Which side of the cam gears are you guys shimming. I've read all the threads (ty btw) and looked at the service manual and various youtube tutorials. The manual says shim both sides. I've seen people only shim the outside AND people only shim the inside. I've also seen the service bulletin that says there's no need to shim them. My technical background makes me think thats crazy. When I opened the case some of them (the inside ones) were sheared in a way that made them almost two shims. It make sense, to me, that you would only shim the outside because 1- the shoulder of the cam gear matches the size if the shim (so no shearing). 2- Cam #2's shims are bigger and can only be dropped in from the outside (cam cover side) keeping the gear alignment consistent. 3 - you don't have to take out all the gears and reset the timing after you measure the back play. I'm looking to do this in the next few days and would really appreciate any advice.
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