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- Performance, Brainstorming & Tuning (https://www.gmforum.com/performance-brainstorming-tuning-96/)

- - cross reference (https://www.gmforum.com/performance-brainstorming-tuning-96/cross-reference-257558/)

franois

05-15-2007 06:34 PM

cross reference

For an installation of a smaller pulley,I just want to know if NGK make Delco spark plug,the ngk tr-55 is the same plug of Delco R42CLTS6???Can I put these plugs???

harofreak00

05-18-2007 08:20 PM

according to this reference, the Delco R42CLTS6 does NOT cross reference

http://sears.pammar.net/sparkplugcross.pdf

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