Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - vacuum secondary or douple pumper
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Old 01-29-2013, 11:30 AM
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Quote:
Originally Posted by lg1969 View Post
Bowtie, For your application you really need a 650 vacuum secondary. You need torque not RPM to hall all that heavy cargo. 750 is to big to do the job.
a 750 with mechanical secondaries is too big, with vacuum secondaries it really isn't an issue as they only open with enough air flow, and not a second sooner no matter how hard you stomp on the throttle.
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