I'm running my M117 at something like 14Btdc, it really likes it, with a modified curve to bring full timing in by 2000rpm, takes off like a rocket, doesnt knock... with the compression so low and no vac advance, its all I can do to make a halfway decent driving W108.

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R107.043 Euro 350SL (parts)(crushed)
W116.024 280se (crushed)
W114 280 (m110)
W108.067 280se 4.5
W108.068 280seL 4.5 (crushed)
W111 220SEB coupe
W110 200D went to the crusher
W110 190D sold sold sold

1970 Rover P6B

Used to own(1950 buick,1969 lincoln MK3,4G63t colt,87 300ZX, 79 F100, 92 XJ40)