
09-04-2009, 01:41 PM
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CC Member
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Join Date: May 2008
Location: Brisbane,
QLD
Cobra Make, Engine:
Posts: 2,797
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Not Ranked
A book of mine states the following for individual runner intakes:
Trumpet/carb bore equal to inlet valve size.
Intake runner to match carb base and taper down to 85% of the inlet valve size in the valve pocket above the valve seat.
Venturi equals 85% of the carb bore/valve size.
__________________
Gary
Gold Certified Holden Technician
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