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The carburetor model for this kit:
GM TBIs
Carter Thermoquads
Holley 4-barrels (including muscle car carbs)
Ford (Autolite) carburetors and more
How to use the kit:
1 Remove the throttle shaft, clean the carburetor damper blades and throttle shaft
2 Using a hand-held variable speed drill (recommended bit size is 10.5mm, smaller than the actual aluminum hole 0.1mm), drill the aluminum hole of the carburetor throttle shaft
3 Reaming operation using the 7/16" reamer included in the kit
4 Insert the front of the brass bushing into the aluminum hole
5 then pass the throttle shaft through the brass bushing
The role of the reamer: improve the accuracy and coaxiality of the aluminum hole