Home › Forum › Ask A Member › 1956 Mark 25 ignition timing question › Re: 1956 Mark 25 ignition timing question
April 8, 2018 at 5:20 pm
#73623
Quite a spread in timing piston position. I get the race settings but the owner of the Mark 25 will run it on a 12 ft aluminum boat and is not racing it just lake running, slow, mid and full throttle. So might be best to use the 0.235" or a bit higher ❓
Thanks all