Champion aren't a great brand. They may have been at one point, but not any more.
Cons: not a great brand
Reviews of Champion spark plug
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186 votes
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BEWARE O’REILLY’S AUTO PARTS CHAMPION SPARK PLUGS ARE WEAK AND BREAK AT THREADS AFTER HAND TIGHTENING AND THEN TIGHTENING NOT EVEN A QUARTER INCH OF A TURN, WAY BEFORE THE TORQUE SPEC AND THEY TWIST RIGHT OFF N BREAK.
Pros: weak, break at threads
Cons: twist right off
Like everyone has mentioned just go back with an ac delco plug. I ran champions and had Mis fires, none of them were gapped right out of the box.
Pros: gapped right out of box
Cons: mis fires, not gapped
I have a Champion 20 Ton model with the 196cc engine. I have used it for 5 years, splitting about 35-40 cords. The only issue I have had is I had to replace the spark plug once. The engine still works well but just in case I bought a direct replacement Power Fist Chonda engine for $229 CDN.
Pros: engine works well
Cons: spark plug replacement
Champion iridium. Champion makes the Mopar plugs. It's the closest thing to the original plugs without having to spend $30/plug.
Pros: closest to original
Cons: expensive original plugs
Avoid Champions. Use NGK or Denso. Don't go cheap on plugs because the job is labour intensive.
Cons: Avoid Champions
Side note, Champion spark plugs suck. Use them in lawn mowers.
Cons: spark plugs suck
Champion is shit for cars. Leave it for mowers and weed eaters.
Cons: Champion is shit
I would return them and get Motorcraft anyway. Champion is garbage.
Cons: Champion is garbage
We changed that spark plug and the customer was happy with the magneto drop. That spark plug worked fine on a Champion spark plug bomb test.
Pros: customer was happy
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