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Keep'em coming guys..
What mods if any are required to the after market MP blocks, I actually have a World. 4.5 bore version.
I tried to read the installation instruction on the web site. It would have probably understood it better If I had the parts in front of me, or any experience with these.



The Milodon gear drive in my World block cleared without any special grinding. My Pre-World MP block needed more aggressive grinding to some internal boss.


1970 Challenger w/572 Hemi street car and my pride and joy. 1986 T-Type with 272 Stage 2 Buick V6 engine - True 8 second street car. Just updated the engine and put down 928 HP @ 35# boost to the ground on chasis dyno. 1976 Cee Bee Avenger Jet Boat - 460 Ford powered.