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- - Spark Plugs (https://www.performancetrucks.net/forums/gmt-800-older-gm-general-discussion-130/spark-plugs-509875/)

Heavrolet98

10-31-2012 10:35 AM

Spark Plugs

I bought a 07 LY6 to drop in a 89 iroc for a project. The motor came with the stock plugs in it and also with a set of stock plugs out of a 2011 LS3. I plan on running the LS3 plugs in the LY6 and want to know if I can run the stock LY6 6.0 plugs in my 99 5.3 cause im inn need of plugs and the 6.0 plugs are like new.

nonnieselman

10-31-2012 11:24 AM

They are all the same threads.. so yes

why the changing? just run the LS3 plugsin the 5.3.... whats the PN on them?

Heavrolet98

10-31-2012 02:42 PM

Ls3 plugs 12609877
Ly6 plugs 12571164

Heavrolet98

11-02-2012 08:01 AM

Did those part #s not tell u anything?

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