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Old 09-02-2018, 08:04 PM
Benz Dr. Benz Dr. is offline
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Join Date: Dec 2010
Posts: 3,238
I run a fair amount of timing advance on these engines - around 8 - 10 degrees BTDC at idle.
I would check to see if you have any major play in your throttle linkage. Throttle position switch and throttle valve should move together and at the same time.
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