3pt1lumina Posted December 27, 2005 Report Posted December 27, 2005 With that plug broken, I can't believe you got any performance or gas mileage outta her. Quote
terryk2003 Posted December 27, 2005 Report Posted December 27, 2005 :shock: that sucks...i bet it runs 110% better now! Quote
DiscoStudd Posted December 27, 2005 Report Posted December 27, 2005 Hopefully that didn't do any damage to the coil pack serving that cylinder... Quote
19Cutlass94 Posted December 27, 2005 Report Posted December 27, 2005 That car has to run better with fresh plugs... Why do people spend more money on tires and wheels than on routine maintenance? Good question! Quote
mfewtrail Posted December 27, 2005 Report Posted December 27, 2005 Hopefully that didn't do any damage to the coil pack serving that cylinder... Seem to have the same voltage across the board for them. I am thinking about upgrading as it is... Accels possibly? If you buy new coils, go OEM, they're more than adequate(our stock ignition setups are good for a lot more power than most of our little motors will ever make). Quote
Crazy K Posted December 27, 2005 Report Posted December 27, 2005 I know I read on some page that some of the aftermarket performance coils were less than reliable. I'm thinking they were MSD coils, perhaps, but the OEM coils, in my opinion, are so good that you should not have to upgrade them. My 92 lumina has the originals at 207000 miles. No sputting, lightning fast starts, but... I am using AcDelco factory plugs, after all. No bosch here Quote
ron350 Posted December 27, 2005 Report Posted December 27, 2005 Never Satisfied how did you check the secondary coil voltage? Quote
5speedz34 Posted December 27, 2005 Report Posted December 27, 2005 Is it just me or does the gap on those look huge! Quote
GP1138 Posted December 27, 2005 Report Posted December 27, 2005 yeah, I agree. Check the gap! He replaced them. Quote
Crazy K Posted December 27, 2005 Report Posted December 27, 2005 Sorry.... I mean check the gap on the ones removed! I know they were replaced. I always check the gap when i take them out, a good sign of wear... the worst I have seen were 2.5 times the proper gap, but only the lower elctrode was worn away. Quote
Guest Anonymous Posted December 27, 2005 Report Posted December 27, 2005 I've seen some with that top post burnt off. Guy complained his Toyota Truck wasn't accelerating good. They they pulled his plugs out, and found one with the top of that electrode burnt off entirely! Can't figure out how it was running. Haven't seen one actually broken yet. Quote
AWeb80 Posted December 27, 2005 Report Posted December 27, 2005 ya, that is huge gap....isn't big gap hard on the ignition?...makes it work harder doesn't it? Quote
Pabz Posted December 27, 2005 Report Posted December 27, 2005 That same thing happened to me with 2 brand new delco plugs, must have come from the same package since it was 2 that broke identically. Damn factory defects. Just because they are new doesnt mean they cant be the problem A gap that is too small means that the spark duration will be very quick and the spark will be thin and weak. The consequences of this may be bad starting and high exhaust emission levels. This will result in an increase in fuel consumption. If the gap is set too large, the ignition system will not be able to cope with the demands and a misfire situation will occur. Quote
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