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Paul Precht · 09-10-2020, 09:58 PM

You can also use a standard bore 72 and later style 440 piston which will be .070" over, it has the same CH as the 68-69 383s. I did lots of them when I had my first shop, never a problem.

09-10-2020, 09:58 PM	#3
Paul Precht Senior Member Join Date: Dec 2001 Location: Elysburg, Pa Posts: 733 Likes: 361 Liked 327 Times in 121 Posts	Re: 1970 Dodge 383 overbore You can also use a standard bore 72 and later style 440 piston which will be .070" over, it has the same CH as the 68-69 383s. I did lots of them when I had my first shop, never a problem.