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| Forum name | 4G63 Tech |
| Topic subject | Odd sized sparkplug bolts ??? |
| Topic URL | http://forums.2gnt.com/dcboard.php?az=show_topic&forum=67&topic_id=7583 |
7583, Odd sized sparkplug bolts ???
Posted by amljbs, Dec-31-69 06:00 PM
I went to change the spark plugs in the GST the other night only to find that I could not remove them becasue the bolt is much larger than on a normal plug. Tried all of my deep well sockets and none would fit any idea on the size of these bolts. I was un-aware that they used various sizes for plug bolts.
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7584, RE: Odd sized sparkplug bolts ???
Posted by Eric, Dec-31-69 06:00 PM
You need a 13/16, thin wall socket to remove the spark plugs.
This is a different size then what is used for the 420a engine.
So yes, various sizes are used.
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