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FWIW the 383 in my Challenger is drilled & tapped also, so it carried over to the 70 model year...



What's the casting date on the block ? except for the one in my 69 dart all the 69 model year 383's i have , one 2 bbl motor that I sold to mark gates and the rest are 4bbl HP's that are not machined and tapped ??? One of the non machined blocks is now machined though , I did it so I could use it in the dart .