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Perhaps put it down to incorrectly indexed camshaft gear or incorrectly indexed pump distributor drive in manufacturing.
Jeff, I think you have assured that the timing chain is on correctly. And your explanation of why your drive slot angle does not match the WSM certainly matches your experience and may make sense. The remaining mystery is why my 1725 engine and two other 1725's I've worked on DO match the WSM. I'm not so sure that others have had the experience you are having. The good news is that, as long as the timing is correct, the angle of the slot is not important as you can always orient the dizzy (and wires) in several different ways that achieve proper spark timing. Maybe someone else with experience on 1725's can confirm your experience and explanation, but at this point the issue is moot. I am pretty confident that many who have worked on their Alpine engines would have easily accepted a 32 deg angle as "close enough" to the WSM instruction, without taking any great pains to measure more precisely. But I know I looked very carefully at mine and found it to be at the WSM angle. I have also seen Jumpin Jan refer to the angle as 48 deg. It's a mystery!
Tom
These "new" 1725 oil pumps that you purchased, have the cam gear installed? I have never seen that before. Where are you getting them from?It turns out that only one pump out of half a dozen had a slot that matched the factory spec. It was one of the new pumps I just ordered recently.
These "new" 1725 oil pumps that you purchased, have the cam gear installed? I have never seen that before. Where are you getting them from?
Jan