Posted by Sherman in Idaho [72.47.9.37] on Wednesday, December 19, 2012 at 14:10:27 :
In Reply to: Re: Science Marches On Dept. posted by Bill Gibson [173.48.74.244] on Wednesday, December 19, 2012 at 13:55:15 :
On those engines, did the spark fire right at TDC or was there a reversing mechanism that shifted it so it would be a little bit advanced in each direction?
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