spark plug torque in Al. heads
07-07-2012, 06:52 AM
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spark plug torque in Al. heads
I bought the boat used it has Dart Al. heads. I'm going to change the plugs and can not find a torque number for the plugs. It has 3922 autolite plugs seems to be a standard plug. Boat runs fine and idles fine just stubbles a little when you start giving it throttle. Thought i would start with the easy parts first.
07-08-2012, 10:23 PM
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Anti seize is a must. Use a 3/8 ratchet and just sug them up with one hand only. Many aluminum head manufacturers do not recommend using a tourque wrench for plugs on their heads.
