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I have 420 B&M blowers, with a pair of 850 marine holley 80443 carbs on top, sideways mount. The carbs are currently setup with progressive linkage. Was considering going to 1:1 linkage.

Right now they have 84P with a 8.5PV, and 92 secondary, No PV. This is a twin engine 38 Fountain. Pretty much spends most of its time, cruising around 3500RPM, which i believe is right before the secondarys start to open. Would there be any pro's of switching to 1:1 linkage on this setup?
 

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1 to1. It has been argued but 1 to 1 is the way to go. Otherwise 4 cylinders are richer at part throttle. I have tried it. I know.
Wags
 
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