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I need some advice on carb size.

I run a 455 Olds engine all standard apart from an Edelbrock performer inlet and headers.

My question is will a Holley 650 double pumper be too big to run the engine just for everyday use?
 

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I need some advice on carb size.

I run a 455 Olds engine all standard apart from an Edelbrock performer inlet and headers.

My question is will a Holley 650 double pumper be too big to run the engine just for everyday use?
Double pumper is not so clever on a heavyweight automatic with low numerical axle ratio - unless you can exercise significant restraint on your right foot!!!!!!! - size otherwise is fine - as has been said - check out primary jetting.
 
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