carb adapters

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Jan 13, 2004 | 06:50 PM

Seifferlein

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Joined: Apr 2002

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carb adapters

I am wanting to put a four barrel carb on my 390 and saw an adapter that will let you put a four barrel on a 2 barrel intake. I am just testing ways to get better gas mileage and have heard that sometimes it is helpfull to go to a four barrel. Will this adapter destroy all hope of better gas mileage since it is still shoving the air/fuel mixture through the same size opening? Is this just a bad idea to even consider?
Thanks for any info
brad

Jan 13, 2004 | 07:00 PM

fordman428

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Joined: Nov 2003

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From: Iowa

i dont know how a 4 barrell will give you better gas milleage when your pushing more gas through the intake, and i havnt heard to many good things about the 4 barrell adapters they dont help much because your still trying to shove more gas/air through the stock 2 barrell intake, if your looking for better gas milleage theres not much that will help the 390, if you want more power find a 4 barrell intake and a carb.

Jan 13, 2004 | 07:34 PM

baddad457

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Joined: May 2003

Posts: 11,141

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From: south louisiana

4 bbl carb on 2 bbl intake----- bad idea 2 bbl carb on 4 bbl intake----- OK in a pinch