
2008FxNytro
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- Oct 7, 2009
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Hey guys, i have an excell header, hauck silencer, drag n fly clutch kit (red spring), Hauck 47/43 helix and secondary spring to match.
anyone know what i should be running for top RPMS?? I believe i have heard like 9-9200 is ideal??
anyone know what i should be running for top RPMS?? I believe i have heard like 9-9200 is ideal??