Re: 1956 Clipper Hot Rod

Posted by Randy Berger On 2009/10/27 22:52:45

Al, the casting number for a 374 is 440971 so you have a 374 block. There is usually a single number above the date of casting which I think is the number of the pattern. They probably had more than one pattern for engine blocks and marked them so they could narrow down a problem search.
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The plater in Tallahassee is "Potmetal Restoration" on Woodbine Circle. They did the potmetal on my 400 including the taillight housings. I believe they just grind the pit down to the surface level of the casting and do not fill the pits. Then they apply a graphite coating just like they do when bronzing baby shoes. They can copper plate that and after that, the nickel, polishing and chrome plating is easy. I believe that is how they can beautifully plate pieces that were badly pitted into show chrome without destroying the piece. As I said they did all the exterior diecast on the 400 that needed to be replated including door handles and side fender trim. They are not cheap but they are good.