Posted: Fri Jul 11, 2008 3:58 pm
Went to the horses mouth, the supplier. As I thought, they *should* be 3/8 BSF, but they ain't. Bother...
Morris Minor Owners Club
Promoting the Preservation and Use of the Postwar Morris Minor
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Well, someone might - Marina brake union thread
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Posted: Fri Jul 11, 2008 4:05 pm
Only place I know for 3/8 BSF is the rear cylinder connections and T piece on the axle !
Posted: Fri Jul 11, 2008 4:35 pm
Have you tried an m10 x1 fitting ? It's the most likely thread.
I'm becoming quite mystified by this Andrew - what is it you actually need? You say you have a Goodridge flexi - is the problem what the threads are on the ends of that flexi ? Are both ends 'male' ? What do (will) the ends fit into ?? Is it intended to connect a brake caliper to a bundy pipe ? If so - what make is that caliper ? Does the flexi fit the caliper 'properly'. A 3/8"UNF male thread will seem to screw into an m10x1 hole - but if you try to tighten it, it will strip out easily. An m10 x1 male thread will not go into a 3/8" threaded hole. Very very few vehicles use the 3/8" BSF thread - only Minor rear axle and TR 2/2a/3 rear wheel cylinders that I know of.
I'm becoming quite mystified by this Andrew - what is it you actually need? You say you have a Goodridge flexi - is the problem what the threads are on the ends of that flexi ? Are both ends 'male' ? What do (will) the ends fit into ?? Is it intended to connect a brake caliper to a bundy pipe ? If so - what make is that caliper ? Does the flexi fit the caliper 'properly'. A 3/8"UNF male thread will seem to screw into an m10x1 hole - but if you try to tighten it, it will strip out easily. An m10 x1 male thread will not go into a 3/8" threaded hole. Very very few vehicles use the 3/8" BSF thread - only Minor rear axle and TR 2/2a/3 rear wheel cylinders that I know of.
Posted: Fri Jul 11, 2008 7:07 pm
I may have got it (sure I did get it) wrong - should be original front Minor fitment, male union. Sorry if I did -can't be bothered looking it upbmcecosse wrote:Ahh well - m10 x 1 unions are normally 10 p each at autojumble.
Posted: Fri Jul 11, 2008 7:13 pm
Well - that would be 3/8" UNF !!
Posted: Fri Jul 11, 2008 7:14 pm
That's right.
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Posted: Fri Jul 11, 2008 7:15 pm
Phewwwww.
Posted: Fri Jul 11, 2008 11:20 pm
...and after throwing caution to the breeze, it does fit, just tighter than on the standard flexi, coupled with my reluctance to strip the thread on a pretty expensive part. We live and learn, there is no choice. Case closed