spark plug help

[litlred515]

ok so i went to do something basic today and tried to change my spark plugs. i went through 3 of 4 just fine. on the 4th i pulled it out no problem but when i went to put the new one it i couldn't do it. i'm sure i've made the problem worse by trying so many times but now i think i've messed up the threads pretty bad in the engine. the spark plug feels like it just drops down all the way and will start to cath but doesn't. how can i fix this? or can't i do it myself? thanks guys

 

[VelocitàPaola]

If you've cross-threaded the sparkplug holes, there is no real fix... You might be able to have a machine shop re-tap the hole for you to use a slightly larger spark plug, but I'm not sure what kind of effects this would have on the car. Personally, I would scrap the whole cylinder head and get a new one.