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Re: Economizer Jet Crushed in Carb Hole

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Posted by GB in MT. on September 22, 2012 at 07:46:12 from (

In Reply to: Economizer Jet Crushed in Carb Hole posted by Steve K (WA) on September 21, 2012 at 20:06:29:


First off.......NOPE,...twernt' me that said to Boil the carb, AND....

Secondly.....You won't ever catch me 'Jammin', anything in to a soft jet, that ain't made to do the job right.!! (good way to break the carb. casting)

Facts first: Econo jet sizing is......8-32 NC!!!! ( also the # for the tap to use for refreshing the threds for the jet)

Since the ears are broken off already, and the jet is somewhat mangled,....there is only one way to remove said jet.!!!!

You ask;........what is the best way to get the mangled jet out? Should I drill it out somehow? Do they make a screw extractor that small? The casting is in nice shape, so I'd like to salvage it if possible.

YES.... you will have to DRILL the jet out!!!

If you have a "Left handed drill set", this will make your job a lot easier. (Those drill sets can be obtained for about $13-$14, from Harbor Freight!!!)

Starting with drill size 7/64....for a pilot hole, and working up to the MAX size of 9/ will be able to extract that jet.

Then use a tap (8-32 NC) to re-run the threds for the passage!!!!

Simple operation right!!!??????.........(depending how straight and steady you are with the drill!!!!!!!!!) DO NOT USE, any drill bit bigger than what I told you!!!!! If you are not straight with the drill, may just take all the threds out of the passage, and render the carb throttle body use-less!!!!

Left handed drill set ........(Drill Master....from Harbor Freight).......Most used drill set, in my carb overhaul shop!!!!!!

Post your results, and if more help back, or you can email me for my phone #, and I can talk you through carb problems!!!

Gary :)


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