Quote:
Originally Posted by svandamme
Never seen even numbers on a German car past M10
6 8 10 13 15 17 19 21 Never seen a 14 or 12 on either Vdub Bimmer Merc or Porsche
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Here you go.
These are all M8 1.25 nuts. The 14mm ATF is used on Porsche 356 and 36hp Volkswagen engine case bolts. The 13 mm ATF nuts are common and used on almost everything. The 12mm ATF nuts are used on the studs to mount Zenith carburetors, 356 exhaust studs, and a couple of other places on a 356 engine that I don't recall at the moment.