T O P I C R E V I E W
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1svtcobra
Member # 1352
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posted
I need a plug # for 2 heat ranges colder for my 98 cobra. They need to be copper plugs. I prefer NGK. open for any suguestions though.
THANKS!
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93PONY
Member # 60
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posted
TR5's are stock in 5.0's. TR55's in 93 Cobras. I use TR6's in w/my TTs & it works great. Next step up would be TR7's, etc. Whatever the factory replacement plug is, just go up 2 numbers.
NGK TR5 TR55 TR6 TR7 ......
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