General Category > Quadrajet Carb Talk and Tips

replacing a secondary jet?

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hunter55:
Well I've really done it now.  I accidently drilled out one of my secondary jets with a 21 drill bit (.158).  I see that Quadrajet parts sells replacement jets but I wanted some expert advice on whether its feasable to replace them.  I'm willing to give it a shot if anyone here has accomplished this feat and can give some pointers.  Thanks for any input.  I'm ready to order a kit and some additional parts from Cliff but am hesitant to do so until i'm convinced I can fix this screw up first.

Shark Racer:
Definitely gonna be watching this thread - but I have to ask, how'd you do it? Drilling out the well plugs?

hunter55:
Shark Racer-  Well I was intending to drill the well for the single metering rod that hangs from the second power piston that came with this early 75 Q-jet so I could tap and plug that jet.  It was dark in my shop and trying to do it with my drill press I just got turned around and drilled that jet instead.  I knew something wasn't right as soon as the bit popped through so easily.  Very embarrasing. 

Shark Racer:
D'oh!

But we've all been there. :(

I messed up an air horn once because I was using a punch that was a bit too small and it got inside the roll pin when trying to push it out. :|

hunter55:
well I got the drilled jet out tonight using a deck screw and a pair of channel lock pliers. I'm waiting on a replacement jet from "Quadrajet Parts".  Looks to me like pressing in the new jet will be pretty straight foreward if I can get it lined up  straight and pressed in squarely.  I suppose a tiny bit of epoxy under the jet would be a good idea too.  Is there anyone out there that has done this before that might have some advice?

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