Posted by Senator on September 28, 2012 at 19:08:47 from (220.127.116.11):
Just finishing up my H restoration. Put gas in the tank for first startup. Opened petcock on strainer, and all 4 fuel fittings leak.
I have an aftermarket distillate strainer and two aftermarket steel fuel lines that came with the farmall type brass fittings. So far I have been successful in getting one of the four to actually crimp the ferrule onto the fuel line, while basically wrecking the other three.
What the h**l am I doing wrong? Let me say I have worked with compression fittings for the last 30 years with hardly a failure I can remember. These are obviously a different animal.
I am trying not to tighten them to much at the strainer. It seems that trying to crimp a brass ferrule onto a steel line in a aluminum strainer is asking to ruin the strainer casting.
Are they supposed to be tightened until the ferrule snaps off the fitting, thus being properly crimped unto the line? I tried this on the brass carb fitting and thats how the one actually crimped, but the other three basically overtightened and destroyed the ferrule (due to overtightening) before the ferrule separated from the fitting.
Anyway I have four more fitting ordered from rusty, maybe some advice before they arrive and I wreck them too!
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