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I have used a solid roller cam in an FE and I would recommend it if you are either mechanically inclined or willing to pay someone to do your work for you because they do need attention.
The valves must not be allowed to go out of adjustment - if they do, this allows the lifters to get beaten up, reducing their life. When they "die" a whole lot of little needle bearings make their way through your nice engine....bad news.
I do NOT recommend a very aggressive race type roller for the street. Spring pressures need to be pretty high for these which puts a lot of pressure on the lifters and reduces their life....see comment above.
The distributor drive gear needs to be replaced about every 5000 miles (if installed correctly) and checked - which requires pulling the distributor out - at the 2500 mile mark.
Pat
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