Why are the cams for the 422 tending to be split duration?
We run our 224 and 229 cams in our 427CI motors. Both are single pattern.
I think the concept behind running a split cam is the larger CI will need more duration to expel the extra exhaust. Whether it's better or worse remains to be seen.
I think the concept behind running a split cam is the larger CI will need more duration to expel the extra exhaust. Whether it's better or worse remains to be seen.



