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I had two sets of BPR7ES plugs the first set were gapped at around .030, and the second set were gapped to about .026.
The set that was gapped to about .026 were the ones that turned white.
The others were in the car before it was tuned and turned orange prior to the car being tuned, but I got the car tuned and put those plugs back in and they are not turning white.
So I am wondering if I just get a set of BPR7ES plugs and gap them to about .030 if that would be alright?
Or should BPR8ES plugs be tried?
Also, what is the difference between BPR8ES and BR8ES plugs?
Another thing is about how long do the fuel injectors last on these cars? A lot people will tell you that fuel injectors should usually be changed every 100k miles or so.
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