Reputable Mopar Engine Builder in Phoenix???

demondaddy said

I'm in the same boat, crate engine not an option. I have a 66 Barracuda Formula S and my 273 is numbers matching and needs a rebuild. I am in SW CO. and don't know any mopar minded reliable engine builders here. I am willing to travel for the right builder.

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I hope you didn’t pay a premium for a pre-1968 Mopar that was numbers matching? Prior to 1968 the VIN was not stamped on the engine block nor the transmission. There is no way to prove the engine in your 66 Formula S is the original one. Best you could claim is it’s date code correct. In other words the date stamp on the block was shortly before the body was made.