Holley 650 cfm marine quadrajet replacement carb

Old 06-14-2007, 02:23 PM
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CHEVYHIGHLIFE
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Default Holley 650 cfm marine quadrajet replacement carb

Anybody use one on the street, will it work out of the box or does it need re-jetting?
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Old 06-14-2007, 03:59 PM
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alscoupe
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I've used plenty of spread bore's outta the box. They'll work just fine on stock motors, with a little tweekin'. Not sure what's special about "marine". Any mod's in the motor and it'll be "tune to fit".
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Old 06-14-2007, 04:47 PM
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I read on holleys site that marine carbs are tuned for constant load, automotive carbs are tuned for variable loads. Dont know if that makes much difference?
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Old 06-14-2007, 05:59 PM
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alscoupe
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OUCH, fraid it might be something like that. Metering blocks and power valve differences. Make it "stumbble" off the line. Might run fine wide open, if it were race only.
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Old 06-15-2007, 03:09 AM
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thats what im thinking too :?
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