I have heard about incompatibility problems with the different metals on the cam drive and dist. drive. Some dist. gears are steel and some are brass/bronze?. This can cause premature wear.
Somone else might be able to fill you in further. Check into that though.
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82 Mercury Capri 302.
Comp. Cams
Tremec 3550
3.73's
12.8@106 N/A
Kevin's Capri