My N/A doesn't take 944 spark plugs
05-28-2011, 01:44 PM
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My N/A doesn't take 944 spark plugs
WR7DC Bosch plugs are way too big to fit in my 944s head... The Bosch plugs that fit are #7975 HR9BC 
They are about half the size of the WR7DC plugs? Has anyone else had this issue? If so, whats the story?
They are about half the size of the WR7DC plugs? Has anyone else had this issue? If so, whats the story?
05-28-2011, 02:03 PM
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I think somebody was smart and used 7975 HR9BC and now threads got fouled and WR7DC won't go all the way in.
05-28-2011, 04:10 PM
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No the HR9BC plugs are literally half the size of the normal 944 plugs. They would just drop in to the holes in the head of another 944. The threads wouldn't even touch
05-28-2011, 04:18 PM
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Hmm strange. I tought that HR9BC are the shorter thread version..
Maybe your head is timeserted or you have some strange head version.
Maybe your head is timeserted or you have some strange head version.
