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19 Posts
Discussion Starter · #1 ·
Posting for a friend. He has a set of these
heads on a production block and wants to go
with a roller cam. Question is: "How much
valve lift can be run without machining the tops of the valve guides down?".

The heads are on the car and we don't want to remove them- looking for drop-in (MAX.) cam specs. TIA.
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