Yes, and yes.

Wait a second, see how little I know...

If crank is at 6 BTDC and cams are at zero and I have woodruff keys then I am 12 degrees...

If I am using woodruff keys then start with crank and cams all at zero and add the keys ..that would get them to six (except that all I can find are 5s- close enough?). A tooth on each cam is too much?

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80 300SD (129k mi) 82 240D stick (193k mi)77 240D auto - stick to be (153k mi) 85 380SL (145k mi) 89 BMW 535i 82 Diesel Rabbit Pickup (374k mi) 91 Jetta IDI Diesel (155k mi) 81 VW Rabbit Convertible Diesel 70 Triumph Spitfire Mk III (63kmi)66 Triumph TR4a IRS (90k mi)67 Ford F-100 (??)

Keys are available in 4 offsets:

0.7mm [621 991 04 67] 4deg. crank
0.9mm [621 991 02 67] 6.5 deg.
1.1mm [621 991 01 67] 8deg.
1.3mm [621 991 00 67] 10deg.

Choose 6.5deg; chain and sprocket wear will negate the 1/2 deg. difference.