That's weird 😂. That's what they sold me at the Auto Zone. Probably what they had in stock. How can you tell they are the wrong plugs? Yeah I do think I'm going to replace the engine, and hopefully I get the right one! Lol! 😂. Thanks for all the responces. I really appreciate any and all guidance.

 

Only plugs to install are AC Delco 41-103 iridium plugs, the centre electrode is a thin tiny whisker, like these

 

 

He's a popular guy, gets a lot of PMs.

 

Very busy man.

 

Famous last words: "that's what the guy at Autozone sold me."
You do know that the store gets incentives for selling certain brands?

 

We always recommend the correct plugs and many other parts! By experience of this forum collectively, we have seen what works and what fails! Plugs and thermostat’s are most common, incorrect replacement part because of the counter person at the parts palace!