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The factory intentionally distorted the ends of the throttle blade screws so they wouldn't work themselves loose, get sucked between a valve and a seat, and send you in for a new engine. This was probably done with a four-pronged tool at the factory. So how do you get them out, you might ask? Jim grinds off the ends of the throttle blade screws, then unscrews each one from the shaft. This method prevents broken-off screws and a lot of headaches. Once they were removed, Jim found that whoever put the throttle blades back in didn't have them positioned properly. There was a bulge at the idle mixture screw side of the bores, so to save it, Jim has to take the shaft out. While it is out, the base will receive new throttle shaft bushings. Now that Taylor has the Tri-Power completely disassembled and cleaned up, we will be focusing on rebuilding, assembling, and testing our three carburetors in the second part of our series. Tune in next issue as we continue the restoration of a Pontiac Tri-Power. View Related Article
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