After 2000 miles and a reduced 2% in fuel in this cilinder the car pulls very strong but this spark plug continues a bit dif from others. It doesn't burn oil and I made another cilinder pressure test and all cilinder are in the 18bar range. Spark cables ok and valve lash ok. http://i68.tinypic.com/9...

I did a compression test every cylinder equal at 15bar.

I will check the wire and valve lash.

Many thanks John

Hello, Need some help, I have build this engine and everything is okay, no smoke, no oil consumption, pull's very nice etc. After 500 miles I went to see the plugs and the cylinder 4 is very different from others. Is it possible to give me some tip guys? I think is some extra fuel on this cylinder b...

By the way let me introduce my car:

Is the only car I have so It's got to do everything :lol: Daily drive car and track car at the weekend with a little bit of top speed runs at the night time with friends. I'm trying for a couple of years to puch every horse from my engine with some studing and know how, really don't trust anyone her...

Thanks very much

I'm trying that setup now see if i get a decent fuel ring

The plug on the picture is a NGK BKR7EIX-11 I think is a non extended tip plug. Inside the porcelin there is no fuel ring and that is why I think is lean correct me if I'm wrong. I change the plugs for the original ones BKR6E-N-11 aswell the fuel/ignition maps for the original to see what I get and ...

Hello I’m Pedro I’m 27 years old and i’m from Portugal. I’m studding how to read plugs for a couple of weeks till now and your articles was the ones I liked more. In a way to enlarge my knowledge I decided to register on this forum to get information about reading plugs and other stuff. Thanks My ri...

Like I said in my first topic I came here mostly because how to read plugs, here is a picture of a plug from my engine, is not a nitrous car but still have plugs lol I have some doubts and I want to discuss this here. The picture: http://img291.imageshack.us/img291/9089/dscf2736jd0.jpg By the way I ...