whats the best spark plugs
10-31-2006, 06:25 PM
#42
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BOSCH SUCKS BIG ****!
NGK TR55's in my 99 LS1
Autolite platinums in the 01 SS
THe Autolites have 10,000 on them no probs
The NGK's have no miles cause im putting them in now
NGK TR55's in my 99 LS1
Autolite platinums in the 01 SS
THe Autolites have 10,000 on them no probs
The NGK's have no miles cause im putting them in now
11-01-2006, 03:56 PM
#43
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always check plug gap on any plug before installing wether pre gapped or not most people run tr 55s i used the boch gapped at o.55 just use a good name brand plug and dont go cheap that passenger side rear plugs a biatch for a person with big hands and arms all others are easy
11-01-2006, 04:02 PM
#44
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AC/DELCO IRIDIUM's by a LARGE margin. 
they will withstand all that is thrown at them...that is why GM puts them in in the first place...others are cheaper, and thats fine, if u like changing plugs often and wondering how they are fairing all the time. 
they will withstand all that is thrown at them...that is why GM puts them in in the first place...others are cheaper, and thats fine, if u like changing plugs often and wondering how they are fairing all the time. 