I have a 1997 ram 1500 5.2l and i bought some autolite copper 5224 plugs to put in before i move 200 miles away pulling a 6000 pound travel trailer, and all my other **** in bed of truck and i plan on taking her easy but my qeustion is should i trade these plugs in(still in box) and go for the colder plug autolite 3923 i think it is or would i be better off using the ones i got thank yall

 

Other then this tow my truck has a pretty easy life does alot of crawling off road in the the desert

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Stick with the factory recommendation, unless you have modded the engine?

 

No it is not i dont think ,thanks

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Another qeustion my chilton manuel says to gap to.035 but underhood she say .040 who should i listen to

 

thanks another qeustion should i gap according to chilton at .035 in
or to underhood sticker saying .040

 

Use the info on the underhood sticker.