Originally posted by sleeperv6:
would changing to jus 3.0l heads be any performance gain....



A loss actually.

Remember the 3L heads are mated to a "larger" bore. 89mm vs 81.67mm/82.4mm. That equals overlap of the smaller 2.5L bore.

Also the CR would drop about a full point due to the much larger chamber area.


2000 SVT #674 13.47 @ 102 - All Motor! It was not broke; Yet I fixed it anyway.