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I am trying to put together the beginnings of my 440 for the Challenger and was wondering if anybody knew of a good machine shop and builder in the Maryland area. I want to make sure all the clearances and dimensions are correct for the engine. Rather than putting together a bunch of parts that might not work well together I want to be sure. I can assemble the engine and have in Hawaii and the west coast I don't know of anybody around here I could trust.


I hear you. I am in Rockville, MD and had a guy in Frederick build my 440. It is fine, but he has since done another friend's 383 and it ended up with the wrong piston set. Has like 8.5:1 compression and only pulls 10" of vacuum at idle as a stock rebuild. Total dog and admitted fault with apprentice tech. He was also looking at a local performance shop in Frederick to fix it but the shop is having issues getting him a quote. Let me know if you find anyone!