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LS2 Spark Plug question

Old 12-08-2018, 05:10 AM
Scott Tenold
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Originally Posted by TheMTazzi View Post
BlindSpot , that was the answer i was looking for. so what your saying is that i'm going to lose some performance and idle with running a colder plug? I figured this was the case but i just wanted to be assured. also the ngks where 80 bucks, so i think im going back to the ac delcos. u think an ls7 plug would be a better match? or get with the 110s? IDk but there has to be a performance plug,MSD? i remember when i switched out my mustangs plugs and there was a night and day difference, in all ranges, throttle response, smooth idle, acceleration.
got to remember the ls7 is a performance motor. The engineers at gm put a performance plug in it to handle that compression and heat. A guy on the forum put the nkg 7 and the car was bucking and jurking at low rpms. Went back to reg. Performance plugs. Idle was better and acceleration was smooth. Hope this helps
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