Originally Posted by BareBonesXL

What he shows in his picture has spark plug threads exposed to the combustion chamber. Like half of the thread length. Not directly exposed, but via the gap left between the tapped hole and the plug threads. That can't be right. They'll get carboned up and bind in the insert, which is probably why it came out with the plug. An insert that's the length of the plug threads seems right, doesn't it? Unless that's the wrong spark plug for the head.

The insert in Makuloco's video is longer and covers all of the plug threads.

Originally Posted by chreeg11

Yes I was able to torque down the old plug with the helio/whatever was attached to 20 ft lbs. I feel like I'm in over my head here unfortunately.

Are you saying since this cylinder has already be re-threaded by the existing "fix" that the normal size sert product won't work? Conceptually that makes sense, just want to make sure I understand what you are saying.

Seems like my options are:
1) Find a quality insert that is the going to match the threads that was made by the existing insert. Will the Cal-Van 266 just work? (I just searched internet and I must suck at google because I couldn't find the product) I event went to cal van tools website and failed to find it.
2) If that doesn't work I need to step up to the Big-Sert?

Originally Posted by BareBonesXL

The forum software won't let me see page 2 when I'm logged so I'll post from memory.

I thought the insert might be broken in half also but if you look at his second picture I'm pretty sure you can see a flat machined surface on the bottom, not a jagged edge. I'm on a full size computer.

Also, aren't the helicoils actual coils of wire? His looks like a solid insert. You could probably guess the brand from the knurl pattern on the top surface.