Big Block vs Poly

There was an article in on of the Chrysler Power Mags that show what had to be modified to an LA block to put Poly heads on. The valve layout doesn't matter because you put a poly camshaft into the LA block so you would have the correct EI EI EI EI

I'll go look for the Chrysler Power mag now. October 2014 issue. They don't mention much, just state that they are getting a 0.030" over 360 with a 4" crank ready for Poly heads. and a picture with a caption where the pushrods area in the blcok had to be given some clearance.