![](https://s3.amazonaws.com/static.fixphotobucket.com/albums/uu108/battery1882/1101161736_zpsqrhoyqju.jpg)
I opened the valve cover again to do the cam : jwt s4
Valve cover decided to crack. I think I over tightened the npt barb fitting.
Luckly, I had an extra valve cover but I had to have my welder weld in a bung for crank vent hose.
![](https://s3.amazonaws.com/static.fixphotobucket.com/albums/uu108/battery1882/1103161607_HDR_zpsx1yxiywr.jpg)
I then took out the maf and put in gm 3bar sensor along with gm ait sensor for ease of tuning.
![](https://s3.amazonaws.com/static.fixphotobucket.com/albums/uu108/battery1882/1106161255_zpsluiqlfjc.jpg)
Wired up 6 sensors (4 of them had to be lenghtened like picture) for Defi advance ZD. Hopefully this will save me from engine trouble in the future (knock on wood)
![](https://s3.amazonaws.com/static.fixphotobucket.com/albums/uu108/battery1882/1105162210_zps9flvwdsv.jpg)
Mounted oil catch can and moved the intake down low.
![](https://s3.amazonaws.com/static.fixphotobucket.com/albums/uu108/battery1882/1102161644_zps0thgxmql.jpg)
Mounted gktech fan