Quote: I also had to shim the rocker shafts .060 to make the pushrods work out. Not real sure why that was necessary since theoretically I only dropped the head .017 which is the difference between the .037 Fel Pro and the .020 Cometics but it works.
You did that WRONG , you need to look at the wear pattern of the rockers to the valve tips , if you didn't have a geometry problem you may now , you really need shorter pushrods , ASSuMEing the geometry of those heads is correct to begin with.
with those 1.7's I would have had a set of push rods custom made.
