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Ignition timing for graymarine 6-112

Old Marine Engine » Gray Marine Gas Engines - 4, 6, and 8 cylinder » Ignition timing for graymarine 6-112 « Previous Next »

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Danny Mehl
New member
Username: danny

Post Number: 1
Registered: 08-2009
Posted on Friday, August 28, 2009 - 02:32 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Hi everyone,

My uncle is having overheating problems with the aforementioned engine (I don't know the boat model) and I wanted to help him out since I used to work as a car mechanic. First we need to make sure the tuning is correct.

The engine misfires under acceleration/load so I am trying to make sure the ignition/carbs are set properly before attacking the cooling system. I need the timing spec at idle and at full advance, but haven't been able to find this online. The carbs I can set pretty close to spec myself, but I really want to verify that the distributor is working properly.

Any and all help will be greatly appreciated.

- Danny

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