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  1. 6

    Setup for 273

    Has anyone ran the 625 Street demon? I've been looking into that carb and a edelbrock performer ( not RPM ) for a stock rebuild. I was looking at the street demon due to the fact that you can adjust the secondary flapper valve very early to adjust for the 625 size.
  2. 6

    Casting numbers

    I could have misread the block number. And a 6 does make since. But it sure looks like an 8 to me. Even though the head is bigger then the bore size? I haven't check the actual bore size but I would assume it would be the 3.91 for a 318 instead of the 3.63( I believe that's correct ) for the...
  3. 6

    Casting numbers

    Hey guys. I got around to pulling the motor out of my 66 dart in restoring. I found these cast numbers. Block - 2808030-273-7 What does the -7 mean? Also I couldn't find that casting number in any of the books I have. Heads - 2843675-6 I found the heads to be 318 heads just wondering what...
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