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Generation III Internal Engine 1997-2006 LS1 | LS6
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Old 03-26-2009, 11:42 AM
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Default 455 (ho)
I was wondering if anyone has created an lsx 455 (HO)? pics vids anything?
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Old 03-26-2009, 02:55 PM
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it's been done. stroke and bore are on the ragged edge. not sure if it can be done with a stock block, may necessitate a sleeved block.


these two articles use two different bores and strokes, but both use sleeves:

http://www.gmhightechperformance.com..._am/index.html

http://www.highperformancepontiac.co...cks/index.html
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Old 03-26-2009, 03:51 PM
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Page 402 of the 08 GMPP mag says 4 diff ways to make a 454...im sure there is more than one way to skin a cat
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