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1915cc carburetor set up

Hello everyone,

I am trying to set up my 40 idf carbs but I’m having no luck. I’m looking for a starting point for Venturi, Air correction, Main jet size. Here are my engine specs.


94mm Mahle pistons

69mm Scat crankshaft

1.25:1 Scat rockers

5.394 Scat connecting rods

ACN Road warrior L5 40x35mm cylinder heads

Weber 40 idf carburetor

Engle 110 camshaft

009 distributor with Petronix ignition

Compression ratio 8.9:1

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