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i just acquired a 1969 340 engine. It strikes me as kind of an oddball and I would like verification that it is in fact a 340 and not a 340 block that was bored to 318 specs by the factory. The casting on the driver's side of the block clearly reads 2780930-340-5 which to me denotes a 340...
I picked up a 318 for a good deal to replace the worn out 318 in my 73 charger. The engine had a 340 cam in it supposedly but it looked a bit flat so I removed it and installed a summit cam with .454 lift along with new lifters, timing set, and standard volume oil pump. I coated the cam and...