Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - 750 double pumper or vacuum secondary
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Old 11-12-2010, 08:48 AM
ap72 ap72 is offline
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If properly tuned you'll probably get worse mileage with the vacuum secondary carb.

As for EFI, you can use the intake system from an LT1 along with megasquirt to put together a poorman's ramjet system. Works pretty well up to about 450hp.
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