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Old 08-02-2012, 01:53 PM
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is it the early '67 small jornal block or is it the late large jornal? if it is the small jornal not that it matters that much being it is a 327 I would not put anything smaller than 280 dur in it 327"s were notorious for not developing power til around 3000 rpms because of the small stroke if it is the small jornal you can rap it too 10000 rpm at the blink of an eye without doing any balancing or blueprinting if it is the large jornal you can safely hold 8000 before you need balancing and blueprinting for there time the 327's were screamers they love to turn and really were not designed for low end so as far as cam the bigger the better on this app.