Spark Plug Confusion...

JD_GNX

Because I said so...
Joined
May 27, 2011
Specifically... A GNX has AC R44LTS plugs in it presently. The GM parts charts in the back of Dove's book calls for the R44LTS plugs. The GM owners manual for the '87 Regal calls for the AC R44TS. Ideas? Thanks...
 
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