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I have a set of elebrock rpm heads 6077 63cc. When i pull the motor to add the new stall converter n 8qt oil pan. Im thinking about pulling the heads n intake an porting an polishing them. How much of a different will i tell with a mild/good port work done. How far should i port them. Gasket...

I have search and I couldn't find what I was looking for..Around how much will it cost to bore a 340 30-40 over and get everything done. New cam bearing,freeze plugs,hot tanked and do what ever has to be done for a 416ci stroker kit. I might be able to find a complete motor cheaper than I could...

I have looked on this site and I haven't found what I'am looking for. I'am woundering whats the biggest camshaft I can go with.without worrying about valve/piston slap. I would like to go with the biggest camshaft I can without worrying about clearance problems..I would like to go bigger than...

I have a set of 915s I would like to find out what size valves are in the heads. They have the Casting number of a J head but it looks like a U. The heads came off a 1970 340 and there orange in color. They didn't go to blue till late 71 up..The Intake and the Exhaust Valves are almost...