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Original Message
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Sounds like a nice block. |
By Dave Shoe - 01/29/2004 7:46:32 PM; IP 12.2.11.190 |
If core shift is minimal, you should be able to take it out to 428 overbore numbers without issue.
You'll first need to do a sonic mapping to be sure there are no thin areas. Since sonic mappings can be inaccurate if done by someone who doesn't understand the science, you'll want to verify the numbers by combining neighboring wall sonic numbers and the water gap width, just to be sure the numbers are not unreasonable. Since you know there is 4.630 - 4.050 = 0.580" between cylinder walls when the cylinders are new and unworn, the math is pretty easy.
To be sure, only a minority of blocks with the C6ME or C7ME prefizes have the heavier walls. Most got the standard 360/390/410 cylinder jackets.
JMO, Shoe. |
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