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 Milling QJ main body and air horn. 
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Joined: Sat Aug 24, 2013 7:57 pm
Posts: 155
Location: Frostburg, MD
I've seen QJs with the front corners crushed .080" -.100". I've bent the air horn back on a few, but I am always waiting for it to break.

Anyone ever mill the main body and airhorn flat?


Thu Sep 15, 2016 10:01 pm
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Joined: Sat Jun 21, 2014 5:38 pm
Posts: 17
I think it would be better to just try to straighten the top and main body. There isn't enough material on the top to mill any decent amount off it and isn't there a ridge that helps seal the gasket. One time I saw someone selling a thick piece of steel that you would bolt the main body or air horn to and put it in an oven to straighten them. Seemed like a good idea but they wanted around $175 for it. I thought about building one but most of the quality kits have extra thick gaskets that help seal warped castings.


Sun Sep 18, 2016 10:02 am
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Joined: Fri Feb 08, 2013 2:37 pm
Posts: 1744
That is a tough question to answer because it is a judgement call. I have straightened a few in a press or with a big hammer and blocks of wood. In the end, if the parts conform to each other and idle circuit and the primary and secondary wells seal it will run OK. I have made a few enduro carbs from the worst looking cores you can imagine, left the dirt and corrosion on the outside and all, so they wouldn't get confiscated by the tech nazis for being "too expensive for an enduro car". (Matt. 7:6) The last one I tried to straighten in a press broke in half through the slot for the secondary baffle. JB Weld saved the day and it is still warped and still out there running around on a SBC in a '46 Ford getting 20 MPG.


Sun Sep 18, 2016 4:28 pm
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Joined: Sat Jun 21, 2014 5:38 pm
Posts: 17
I think too many people lose sleep over warped main bodies and air horns. The final thing is if they seal when screwed together. i quit worrying about them years ago. Enduro racing...... That makes me laugh. We used to spray oil on our motors and drove them up and down a dirt road on a dry day to make them look old! LOL


Sun Sep 18, 2016 7:31 pm
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Joined: Sat Aug 24, 2013 7:57 pm
Posts: 155
Location: Frostburg, MD
thanks, guys. I'll quit worrying too. I press the air horn in a vice using some spacers to get some of the bow out of it. I guess it re-bends to fit the crushed corners on the body and all is good.


Sun Sep 18, 2016 11:25 pm
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