06-12-2013, 02:06 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
Quote:
Originally Posted by Hotfingrs
I asked my engine builder today and he told me it helps the idle. Instead of drilling a hole in the throttle blade, those holes serve the same purpose.
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And you believed that? You could drill 1/2 inch holes through the sides and the engine would still idle at the same speed.
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Gary
Gold Certified Holden Technician
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