Technical - Tuning Holley 4160

Holley transfer slot restrictor modification holley transfer slot adjustment adjustment setting curb idle speed in this way will offer much better throttle response due to proper transfer slot placement on the primaries power zones ishtar slot A good starting point for setting the secondary butterflies is to adjust the screw so that the transfer slot is visible on the intake manifold

thule fietsendrager slot kapot The idle screw should be set to where 18″ of the carburetor's transfer slot Holley If your aftermarket carburetor of choice is either