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Can a cam be "too big"?
Yes, depending on compression ratio,tire size & rear end gear ratio.
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Do you have to change valve springs with High performance camshafts?
In most cases yes.Be carefull depending on lift of camshaft that you have proper coil bind clearance & valve retainer to guide seal clearance.
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Formulas & Conversions
Inches to Millimeters Multiply By 25.4
Millimeters to Inches Divide By 25.4
Cubic Inches To Liters Divide By 61
Liters To Cubic Inches Multiply By 61
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Flat Tappet Camshaft Failure
Recent changes in oil and engine technology are likley the cause of most premature camshaft failures.Besides proper camshaft set-up & break-in it is important to use a good camshaft break-in oil additive to replace the reduction in todays oils of zinc & manganese.Competition Cams,Crane Cams & ZDDPlus are some of the suppliers of such additives that we use and sell.
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