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Old 01-21-2000, 08:59 PM
Double A Double A is offline
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Rumor has it that the largest cfm quadrajets come on '71 Buick 455 motors, such as are found in LeSabres or 225's. Is this true? I'm goin' junkyardin' tomorrow. I need a straight inlet model, and I've heard these Buicks are 850 cfm.

All help appreciated, Double

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Old 01-21-2000, 08:59 PM
Double A Double A is offline
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Location: Garland, Texas, U.S.A.
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Rumor has it that the largest cfm quadrajets come on '71 Buick 455 motors, such as are found in LeSabres or 225's. Is this true? I'm goin' junkyardin' tomorrow. I need a straight inlet model, and I've heard these Buicks are 850 cfm.

All help appreciated, Double

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Old 01-22-2000, 12:19 AM
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Skip Fix Skip Fix is offline
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Nope , biggest were just 800cfm, but yes there were some of these on Buicks too. To tell 750 from 800s look down primary bore. If you see a slight bulge off to one side its an 800.

Skip Fix

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1978 Trans Am original owner 10.99 @ 124 pump gas 455 E heads, NO Bird ever!
1981 Black SE Trans Am stockish 6X 400ci, turbo 301 on a stand
1965 GTO 4 barrel 3 speed project
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1964 Impala SS 409/470ci 600 HP stroker project
1979 Camaro IAII Edelbrock head 500" 695 HP 10.33@132 3595lbs
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