Originally Posted by sluggo1
Still don't understand one thing. Sorry to sound dumb. But if I buy new replacement plugs based on what owners manual tells me will they automatically have the optimum gap we are looking for or will they need to be adjusted. Would like to just buy new plugs that are ready to be installed and don't need to be tinkered with. I'll read the entire thread again also in case this has already been mentioned. Thanks
It would be a good idea to check the gap before installing new plugs. Just buy a plug gapper. Gapping plugs may be the simplest job that you do on your truck. It's easier than removing or installing plugs.