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Spark Plug

259 Views 8 Replies 5 Participants Last post by  Karadjgne
Has anyone seen this ? Went to change my spark plugs and number one had this on the spark plug. I've never seen a plug half shaded like this.


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Hi, no additives Jasper engine with about 1500 miles on it. Started running rough so I decided to check the plugs. It is a 87 el camino with a 305 (Calif special) stock ingnition, stock carb.
Oh, sorry gap is 35
I will try that. Looking at the engine with all that smog equip seems you need to be a contortionist to get at these plugs. And small hands wouldn't hurt. 😂
Did some research , your right ! .045 is the way to go. Thanks
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