Thread: Vacuum or mechanical secondaries
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Old 02-26-2008, 11:03 AM
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Lawler Lawler is offline
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Location: Fulshear, tx
Cobra Make, Engine: Lone Star Classics (LS427)
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Default Vacuum or mechanical secondaries
I am upgrading from my holley 600 with vacuum secondaries to a new Holley 750 (4160). Holley recommends the mechanical secondaries for manual tranny and vacuum for automatic.

My question is..why? and what is your setup and how do you like it?

Thanks,

Kinton
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