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Old 07-18-2008, 11:57 AM
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dh79 dh79 is offline
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I guess the other option would be to increase the powervalve circuit flow? Anybody know anything about that? I'm very hesitant to start drilling my metering blocks.

I know a little experimentation with the jets will go a long way. I'm just wondering if there is any problem with having such a difference in jet sizes. Like say primary 66, secondary 90?
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81 Grand Prix, 355, 700r4, 8.5" 4.10
64 Oldsmobile Jetstar, all original
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