Spark Plug question....what to use?
September 26th, 2006, 1:54 PM
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Spark Plug question....what to use?
Looking to get a set of Platinum Spark plugs and I wanted to know what everyone recommended for best fuel economy performance. I have a 2003 Tahoe LT with the 5.3l engine.
Thanks for all the help in advance
Thanks for all the help in advance
September 26th, 2006, 3:04 PM
#2
RE: Spark Plug question....what to use?
AC Delco Iridium Tipped spark plug part #41-985 (12571164)
There are no performance gains to be had by using different spark plugs in these Vortec motors, although certain NGK plugs work very well in GM marine engine apllications.
Avoid Bosch plugs.
There are no performance gains to be had by using different spark plugs in these Vortec motors, although certain NGK plugs work very well in GM marine engine apllications.
Avoid Bosch plugs.
September 27th, 2006, 3:51 AM
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RE: Spark Plug question....what to use?
So are you saying E3 is just a gimmick, how about the split fire plugs back in the day. What is the best spark plug you can get for the vortech?
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