Use of Carb Spacers on Carb Style Single Plane EFI intakes?

B

B'klyn9C1

Member
Is there any value in using a carb spacer a carb style single plane port EFI intake? Particularly when using with a 4 barrel TB? You know the popular ones like the "Super Sucker" and the 1" to 3" phenolic plastic ones. Some with four holes under the TB openings or some just open space.

I know they suppose to aid in increasing the air velocity and increase the vacuum signal in carb applications but would they help us in port EFI applications??

I think of using them on a carb style single plane on intake a 396 cu LT1.
 
Re: Use of Carb Spacers on Carb Style Single Plane EFI intak


you may want to read thru this thread

viewtopic.php?f=55&t=1038&p=1932#p1932

http://www.summitracing.com/expertadvic ... Calculator

you can try it if you've got the hood clearance ,and adding plenum volume may help in some applications, but keep in mind carbs are WET FLOW intakes and theres far more gains in keeping the fuel suspended in a WET FLOW intake and its plenum that your typical EFI INTAKE which adds fuel from an injector only as the air flow enters the cylinder heads intake port, because on an multi port EFI intake the plenums essentially flowing only air unburdened with fuel droplets

 
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