Quote:
Originally Posted by Grubby
I worked on one Vac Secondary Cobra that the secondaries were not opening on.
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A really free flowing air cleaner also reduces the velocity of the air going through the carb thus reducing the venturi vacuum. That's why on a lot of threads guys bitc* that their new expensive free flowing air cleaner makes their car run worse.
See the Note at the bottom of the
Secondary Throttle Opening Ranges in my post above.