Thanks Jr
Spark Plugs
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JRSCREWCAB
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Spark Plugs
Hi, I want to change the spark plugs on my Sonoma CrewCab W/4.3 Vortec. Does anyone have any feedback on Bosch platinum plugs or recommendations?
Thanks Jr
Thanks Jr
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HenryJ
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Read this thread- Spark plugs
"Speed doesn't kill, suddenly becoming stationary does." - Richard Hammond
"Speed is just a matter of Money - How fast do YOU want to go?"-Mechanic from Mad Max-
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killian96ss
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- Location: Sacramento, California
Don't get the Bosch plugs! I had these in my SS, and they made my idle smoother at first, but after a while I started developing a surging problem that got so bad my car would almost die. 
I switched back to AC Delco platinums, and haven't had any problems since. When I get around to changing plugs on the CC I will be getting the Iridiums. 
Steve
I switched back to AC Delco platinums, and haven't had any problems since. When I get around to changing plugs on the CC I will be getting the Iridiums. Steve
