Thread: Spark plugs for 313/318 small block engine
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Old 19-06-21, 09:10 PM
AndrewA AndrewA is offline
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Join Date: Mar 2020
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Nick
I went on same roundabout as you and ended up with these - NGK BP6S.
SLJ who had serviced the car previously had used NGK BP5S's.
Am happy with the plugs - mine's a 410 with a 318.
Hope this is of some help.
Andrew
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