Need help finding flanges (motorcycle header)
07-30-2014, 01:56 PM
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Need help finding flanges (motorcycle header)
Im building a header for my zx10 and I ordered some standard 2 bolt flanges but they are way too thick. I can make them work but I dont have much thread left on the studs. I heave searched google and all of the Suppliers listed in the sticky and can not find what I am looking for. The tubing it 1.75 and I am looking for some stamped 2 bolt flanges similar to these pictured.
Untitled by 1upmoto, on Flickr
Untitled by 1upmoto, on Flickr
07-31-2014, 04:25 AM
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Re: Need help finding flanges (motorcycle header)
How much thinner do they need to be?
Doesn't look like you have any room to give without making the flange weaker . . . every thread on a 1.25mm pitch is ~.049". It looks like you would need to thin out 1/2 of the flange to only get 1 more thread engaged on the stud.
Doesn't look like you have any room to give without making the flange weaker . . . every thread on a 1.25mm pitch is ~.049". It looks like you would need to thin out 1/2 of the flange to only get 1 more thread engaged on the stud.
07-31-2014, 05:11 AM
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08-01-2014, 07:51 AM
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Re: Need help finding flanges (motorcycle header)
are the thicker flanges radiused on the inside diameter like the original flanges? if not they might cause sealing issues on the flared tubing....
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