Hello, I am turning to this board b/c I need some help. I have hunted for many years to find a 427 engine and happened onto a LR 427 but would like to understand more specifics. First, the numbers. Casting 3935439 Date code is G (or C or O) 8 and the front deck is stamped: T1123LR and 195711116. This was an excellent standard bore block when found and two weeks ago I received it out of the machine shop w/ a professional 30 over w/ all the works. Never decked and no numbers ever touched...documented. Also w/ the engine is a set of square port 840 heads off a 68 vette. Question, can someone tell me the true origin of this engine? If I understand, it's a '69 435horse? Auto or 4-speed? How many built? Unfortunately this was a longstanding dream to install in a '55 hardtop frame off rest. New house/life is questioning how soon this will happen. Realize a purist may have more value then letting it collet dust in the garage and am considering selling. What's the real scoop on the engine and what could it be worth? Any guidance? Thanks for the help. Greg 316.990.9971
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