remove the cam, reinstall new with timing gear of your choice and make sure all is aligned. adjust all lifters to desired clearance. You can use the service bulletins rule of 9 I believe in the stock Model A bulletins.
I removed a HP cam and went back to a stock touring cam.
Larry Shepard
Larry -did you have any problem getting the keepers back on the valves[/QUOTE]
Harry, no problem getting keepers back on. If you are using the two piece style I use a little bit of grease to help hold them to the stem while I'm using the valve/spring compressor to release. Just take your time and careful and I'm sure all will go well. Worst case you have to pull something but I think you should be fine.
Larry
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