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Original Message
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RE: 390 or 353 FE block |
By mark - 12/30/2000 8:19:34 PM; IP 208.18.102.230 |
You might do something so simple it may sound silly - pull a spark plug and stick a stiff wire in there, as vertically as possible, hand rotate the engine till it's at top, then mark the wire at some point, then rotate the engine till it's at bottom and mark the wire again. Measure it. That's roughly the stroke. If it's over 3.5" by any significant amount, it's probably a 390 (3.75" stroke). Brings back memories - I had a 64 500 XL with 300 hp 390 & 4 speed. |
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