Hi, i recently picked up a 390 from a guy who claimed that it was from a 1965 Thunderbird. I plan to put together something in the 350-400hp range with good low-end torque. The block has all the oil gallery plugs in the back, but was fitted with a mechanical cam and lifters. It does have adjustable rockers. The block is already 30 over, so my question is, do I have a hydraulic lifter block that some one has put a mechanical cam in? The block casting number is C6AE. One more thing- my book claims that the heads are from a 427. Could this be? The numbers are C3AE. Any info is much appreciated.
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