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66 snake--your motor seems like a perfect combination of power and driveability. Was it dynoed with your specific headers? Also, what size are they, and are they equal length, etc? I spoke with a local head porter and dyno man who strongly advises to stay away from radical strokes like 347. He had a 351 on the dyno last week and it made about 500hp, but he said the headers were too small and he figures to get to about 575-600 with tuning and 1 & 7/8 headers. Sounds like 351 is the way to go. Also, what block do you have?
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