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Title: Grey Motor Spark Plugs Post by: graham_fuller on February 01, 2023, 11:45:54 AM Hi all,
What spark plugs are people using these days in a stock 138 Grey motor? Cheers Title: Re: Grey Motor Spark Plugs Post by: ardiesse on February 01, 2023, 05:52:09 PM Graham,
. . . the ones I was using twenty years ago. Pull them out, clean them, gap them, put them back in. Sorry, couldn't resist. Champion J-12Y, NGK BP6S, Bosch W8FC (?). The plugs for a grey motor are the same as for small-block Chev V8s, but a couple of ranges hotter. Rob Title: Re: Grey Motor Spark Plugs Post by: graham_fuller on February 02, 2023, 06:26:52 PM Thanks Rob
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