Quote:
Originally Posted by jmarkaudio
As delivered the secondary is adjustable with short mixture screws, they must be plugged once in competition. They supply lead plugs, much like the emission carbs had the idle screws plugged off. Not real sure why, it offers no real advantage having 4 corner idle.
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We know that , but this is NHRA were talking about .
Their reasoning is the OE didn't have it so neither can you .