Quote:
Originally Posted by alexiskai
If your camshaft gear is placing the dimple under the timing pin hole at the top of the exhaust stroke, the gear has been installed wrong. The camshaft gear rotates at half the engine speed, so the dimple will only come around to the correct position on the compression stroke.... that's the whole point.
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Except in the case of a timing that was on my Model A engine,the dimple was drilled off a tooth.Not a new one but not the original one either.It had a metal hub that was loose and I went to replace it with one from Brattons so I thoughtBrattons was the wrong one until I checked with a couple other original ones. I remember than that the son of the previous owner told me this Model A starts and runs different than others concerning spark advance rod.