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Machining Questions By John C - 03/04/2006 8:36:59 PM; IP 209.163.126.229 I had my 67 Fastback's 390 engine bored 030 over and new cam bearings installed. I purchased a set of Edelbrock Performer heads and intake. I actually am duplicating the roller motor as depicted in Hot Rod's January 2003 issue. I have a ton of expensive parts that I purchased....man! I am not an engine expert. I was wondering if I should also have the engine deck blocked? I'm worried about a reduction of compression with the new aluminum heads. Although my machine shop came highly recommended, I thought the machinist was a little lazy with me. He felt that decking the block would not really accomplish that much. He also felt that balancing the rotating assembly was probably not necessary. I didn't drop $7,000.00 grand in parts to build a under-powered engine. Will you fellows help get me on the right track with this engine? I need some advise. What instructions should I give the machine shop to get the most out of my build? I am looking to build a high performance street application with a compression that is in the pump gas range. Thanks, John

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Skip Navigation Links. Machining Questions -- John C, 03/04/2006  RE: Machining Questions -- John, 03/04/2006  A lot depends on what your intentions are. -- Gerry Proctor, 03/06/2006  Thanks Gerry Proctor & John -- John C, 03/06/2006

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