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Still Doin Time
Join Date: Nov 2004
Location: Nokesville, Va.
Posts: 8,225
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Also consult with Zippers Performance / Elkridge Md. I'd have to do some research as to what is optimal in HD. But know they take quite the beating being aircooled, lots of valvetrain mass, lots of spring pressure if you are running any kind of modern profile cam. It's all about flow + longevity in a street engine.
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'15 Dodge - 'Dango R/T Hauls groceries and Kinda Hauls *ss
'07 Jeep SRT-8 - Hauls groceries and Hauls *ss Sold
'85 Guards Red Targa - Almost finished after 17 years
'95 Road King w/117ci - No time to ride, see above
'77 Sportster Pro-Street Drag Bike w/93ci - Sold
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