Originally Posted by leadfoot
Correct me if I'm wrong but dont you also need new lifters when you intall a new cam?
And if you go with more than .500 lift you need new springs. You might as well do the timing cain and water pump also.
I wished I cammed my motor when I replaced the head gaskets.
The lifters are hydraulic rollers. As long as the roller is in good shape and they are not clogged you can reuse them.
The 410 cam can be used on stock heads. You must use new pushrods due to a smaller diameter,IIRC.
Now since this truck has so many miles i think your asking for trouble with a chip and cam swap. My vote is save for a rebuild or engine swap. Include your cam into that plan.
Do a compression check and see how healthy your engine really is.