The NKG manufacturer's website recommends BPR5ES spark plugs for the Corsa B.
These spark plugs have single ground electrodes and would probably suit just fine for an engine with a distributor.
My X12SZ engine has a DIS, and from what I've gathered such an ignition system prefers spark plugs with two ground electrodes.
The plugs that are in the engine now have two ground electrodes.
The question is;-Would a dual electrode plug do better in these engines or will the BPR5ES be fine?
These spark plugs have single ground electrodes and would probably suit just fine for an engine with a distributor.
My X12SZ engine has a DIS, and from what I've gathered such an ignition system prefers spark plugs with two ground electrodes.
The plugs that are in the engine now have two ground electrodes.
The question is;-Would a dual electrode plug do better in these engines or will the BPR5ES be fine?
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