TR55 spark plugs in 402
TR55 spark plugs in 402 Will running TR55 spark plugs in a 11.5 compression ls2 402 hurt anything? I installed them by mistake and I don't want to change plugs again if I don't have to. I normally run TR6's but I picked up the wrong ones.
with higher compression people usually go alittle colder on the plugs but if your tune is very close i don't see any reason it would actually hurt unless it is detonating some. better safe than sorry though.
Originally Posted by Haans249
Yea, as long as you're not getting any detonation, you'll be ok. What do you have them gapped at? Out the box they're .055. Thats what I have mine at.
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Infact, if you're not getting any detonation I would leave them in there, because with the hotter plug you could get more power, going to cold and you will lose some. I had TR6's before, but I felt that TR55's would befine, and they were. So, if its working, don't fix it =D
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