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08-16-2008 10:19 PM #5
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- Join Date
- Apr 2004
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- Little Elm
- Car Year, Make, Model: 34 Ford Low Boy w/ZZ430 Clone
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I think it should drop back at least 20*. Sounds like you've got some advance already in at idle. Springs too light? Some HEIs are set up to bring in 5-6* as early as 900 RPM. Light weight springs can bring in timing as low as 500 RPM.Last edited by Henry Rifle; 08-16-2008 at 10:22 PM.
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Gone to Texas
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