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Re: spark plugs......
I have a 95 Grand Prix with 135,000 that I purchased last year from a guy that really took good care of it and it runs great. My question is I purchased a set of Bosch Platinum 2's and Bosch wire set and installed them 3 days ago. I have since noticed it "bogging" around 3000 once or twice. I have been reading posts about people not liking the Bosch plugs and that AC Delco OEM plugs should be used but which ones should I switch the Bosch out for? The AC Delco Standard plug, the Platinum plug, or the Rapidfire plug? Thanks!
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