Soul TKR

iTrader: (4)

it's obviously not a good thing... but I'm just wondering because I think I may have one... but will have to drive 4.5 hours to my shop next week to get the LT's installed... of which then I will be installing new spark plugs...

Should I be worried of hurting anything? I've been driving the car, it runs fine, idles fine... it's just sluggish as hell if I get on it... which sounds just like a cracked spark plug issue...

Bird-Of-Prey

iTrader: (23)

I don't know if a cracked plug is your problem or not. If the plug was cracked you should feel a definate misfire. It will feel sluggish as you would only be running on 7 cylinders. It would tend to sputter on acceleration and you would probably detect a slight exhaust note change. Having a cylinder not fire for an extended period of time is not a good thing. You run a chance of washing down your cylinder walls and rings with raw fuel.

gillbot

iTrader: (27)

most cracked pluch i've seen caused an obvious misfire.

NHRAMAN

iTrader: (1)

ALL cracked plugs will MISSFIRE. should replace as soon as possible---don't keep driving like that...gives the computer a headache/sweat/rash...

Soul TKR

iTrader: (4)

Ok... well, I'm not throwing any codes, nore am I having any "Obvious" misfires... but the car is running sluggish as hell... Not sure why... I've been reading up on people with cracked plugs and for the most part my car is acting just like theirs, without the codes or obvious misfires... I do get backfires here and there but it's pretty rare...

radkon

iTrader: (2)

Plugs are cheap go get one and replace it. If that sucker cracks on the inside the porcelain will score your cylinder walls and ruin the engine.