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Original Message
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| RE: 428 Engine I.D. |
| By Dave Shoe - 08/12/2000 12:32:57 PM; IP 63.226.180.25 |
It sounds like it may be a regular 428, but it may also be a bored out 360 or 390 block, meaning it might have very thin cylinder walls if an unknowledgeable engine rebuilder thought that C7ME-A 360/390 blocks were the same as C7ME-A 428plain blocks (they are not the same casting - the 428plain uses different cylinder cores due to the larger bore).
It's a risky purchase, but probably worth looking into. Also note that the reinforced 428CJ/PI casting of 1969-70 is not the same as the 428plain casting. Some early 1968-1/2 428CJ motors were rumored to get the 428plain casting, but 20 pounds was added to the CJ/PI block when the reinforced main webs and thicker cylinders were incorporated in the later blocks. Both blocks are gerat for racing (hey, 20 lbs lighter is 20 lbs faster), as long as they sonic out properly.
JMO,
Shoe.
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