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Original Message
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RE: what engine do I have? |
By Glenn - 02/27/2005 7:16:39 PM; IP 205.188.117.8 |
Check the date code. The first number will have two dots underneath for a 70's era block. It does sound like a 390 service block with the external ribs. And a thick one if the 13/64" bit fits between the walls. My 406 block fits a snug 13/64" bit between the walls and is a std 4.13 bore. |
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