engine damage helpp please???

[Radicalblackcivic]

alrite guys. thanks for looking... i wont say anything else i just hope my car runs as long as possible... thanks for the help and for those talkin abit of crap... hope it dont happend to u guys one day... i was just tryin to reach for some help but nvm...

[w00t692]

You can't replace a cylinder wall if it's scored, you'd have to bore over and use larger diameter pistons on all 4.

[volvo9]

Originally Posted by w00t692

You can't replace a cylinder wall if it's scored, you'd have to bore over and use larger diameter pistons on all 4.

What part of the plug broke? The insulator?

[soxfan143]

If the plug only snapped off outside the head you can get it out without any damage. You just need to be careful when trying to remove it so you don't damage the threads in the head. I've removed a few broken plugs in my day. I've actually Heli-Coiled a few plugs and they held fine. But they also weren't boosted either. Just take it to someone that has experience with this kind of thing.

[gotsnodooks]

Originally Posted by w00t692

You can't replace a cylinder wall if it's scored, you'd have to bore over and use larger diameter pistons on all 4.

I'm not 100% sure but....can't you bore the cylinder and then sleeve it so that it is the same displacement as original? I thought you could.

[soxfan143]

Originally Posted by gotsnodooks

I'm not 100% sure but....can't you bore the cylinder and then sleeve it so that it is the same displacement as original? I thought you could.

You would probably be better off just resleeving the entire cylinder. Just remove the entire sleeve and replace it. But if you were doing that you might as well resleeve the entire bock and build the bottom end completely since the motor is turbo. Why only do one cylinder when you could do the entire block and bullet proof it while it's out of the car and apart?

[ray]

The facts concerning the damage are not yet in evidence, so its pointless to speculate what might be the best way to deal with them. Tear the engine down and see what's hurt and what's not. Only then can you rationally evaluate alternative courses of action.

[soxfan143]

Originally Posted by ray

The facts concerning the damage are not yet in evidence, so its pointless to speculate what might be the best way to deal with them. Tear the engine down and see what's hurt and what's not. Only then can you rationally evaluate alternative courses of action.

Exactly. That was going to be my next post. If the plug didn't break inside the combustion chamber/cylinder there is no reason to even take the motor apart. Remove what's left of the plug in the head and see if any of the ceramic broke off or if any of the rest of the plug is intact. If you didn't loose any of it into the cylinder you're good to go.

[w00t692]

Originally Posted by gotsnodooks

I'm not 100% sure but....can't you bore the cylinder and then sleeve it so that it is the same displacement as original? I thought you could.

I guess. But it wouldn't be cheap either route

[Radicalblackcivic]

thanks guys... alrite this is what happend... the spark plug top lilttle metal part felt inside my cylincer head and messed up one of my pistons. somehow it didnt do much damage to the cylinder wall, after reviewing, got sanded down nice and smooth and it was still the same diameter as the other cylinders.... i ordered stock piston ring rod and head gasket overnight.... i should be getting my parts in tomorrow latest. im gonna run it back again with the stock spark plugs, the ngk were the one that broke, ill post a pic later of what the spark plug looked like, and what damage was made to the piston... hope my engine runs back up with no problem....

[NIGHTHAWKSI]

sanded cylinder wall to remove scoring, but is still the same diameter?

good luck!

[soxfan143]

You are going to have problems with this. There is no way that you sanded a gouge out of your cylinder wall and it's the same size as original. The tolerances inside a motor are in the thousandths. You need special micrometers to measure these things.

Just being curious, but how exactly did the top piece of the spark plug get into the cylinder if the base of the plug is still fastened into the head? That makes no sense.

[w00t692]

I think he means the electrode fell in, or the tip that takes teh spark from the electrode.

[Radicalblackcivic]

yes it was the smallest top part...

[DavisLasVegas]

this thread is like a mind f*** i'm so confused about what is going on. the top of the plug broke and fell in the motor through the hole where the spark plug is? wow.

[Radicalblackcivic]

ya its confusing... i will post pics tomorrow... once u see pics, its all gnna make sense... thanks tho

[DavisLasVegas]

pics?! sorry i don't want to be annoying but i've been working on cars for the last 8 years and i can't grasp what has happened

[Radicalblackcivic]

ill post pics soon, ive been so busy tryin to get it together.... im boostin now, no problem... no, i think i need to get rid of the stock cat and i dont know if the spacer and the nst pulleys are still good?

[DavisLasVegas]

the pulleys should still be good as long as they are not cracked or broken. i'm not sure what spacer you're talking about, but when i boost my car i'm gonna relocate my car and downstream o2 sensor to be environmentally friendly haha

[soxfan143]

Originally Posted by DavisLasVegas

pics?! sorry i don't want to be annoying but i've been working on cars for the last 8 years and i can't grasp what has happened

Me too bro. I'm completely lost here. I've been fixing cars for over 14 years and I've never heard of this. I think he's confusing the top and bottom of a plug. the top of a plug is what attaches to the coil pack or plug wire. The bottom is the part that's inside the cylinder. It's physically impossible for the top part of the plug to fall through the hole if the plug is still fastened into the head. He has to be talking about the ground or the actual electrode. Because the contact tip that goes inside the coil pack could never ever get into the motor while the plug is in the head.