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Original Message
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| RE: 360 or 390 ? |
| By David Dickson - 12/01/2000 2:17:05 PM; IP 205.230.159.47 |
| There are no external differences between the 360 and the 390. Additionally, both have the exact same bore size. The only significant difference between the 360 and 390 is that the 390 has a different crank with slightly longer stroke, thus giving it the 30 extra cubes. The 390’s rods are a fraction shorter as well, but not materially. Best way to differentiate is to measure stroke from bottom to top with a spark plug removed and using a wooden dowel. Off the top of my head, I think the 390’s stroke is 3.78 inches (somebody correct me if I’m wrong). |
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