
05-14-2021, 01:12 AM
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CC Member
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Join Date: Aug 2009
Location: Adelaide,
SA
Cobra Make, Engine: AP 289FIA 'English' spec.
Posts: 13,152
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Not Ranked
Quote:
Originally Posted by MOTORHEAD
whitworth ?
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1/2" BSW (ie Whitworth) pitch is way too large at 0.0833" or 2.12mm, so I didn't even mention it, and 1/2"BSF pitch is 0.0625" or 1.59mm 
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