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05-01-2007, 08:33 PM
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#10 |
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Junior Member
Join Date: Aug 2003
Location: NewJersey
Posts: 36
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It's not illegal and the 2007 rulebook says "blocks may be sleeved" in Stock under engines. I doubt you'd see so many cars running as fast as they do with a lot of different engine combos without an 8 sleeved block. 396's were very poor, I soniced many blocks and 396's were generally very thin except for the early years.
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