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zz502 - what is the largest bore size without heat problems?

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Old 08-10-2011 | 02:33 PM
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Default zz502 - what is the largest bore size without heat problems?

zz502 - what is the largest bore size without heat problems? Planning on 10:1 compression ratio on an airboat

What can you do with machine work to help the engine run cooler?
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Old 08-10-2011 | 03:56 PM
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I wouldn't sugest going over 4.5- which is .030 over
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Old 08-10-2011 | 06:11 PM
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Originally Posted by blownjet 468
I wouldn't sugest going over 4.5- which is .030 over
+1
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Old 08-10-2011 | 06:24 PM
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If it is a Gen VI block, then it can go to 4.600. We do it all the time. Just be sure to sonic check the block since they are known to have a little core shift.
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