In the attached photo there are 4 block off plates (numbered 1-4) in the photo. I have purchased a block off plate kit from K2RD for an 87 TII. There are not enough plates to do all four as seen in this picture. I will be lacking one. Could someone please indentify the four items that are being blocked off?

1. Air Control Valve
2. ?
3. ?
4. ?

As always,

Thanx for the help,

Michael

 

2 is for the bac valve
3 i blive is for the air pipe that goes to the cat
4 not sure which it is. i think it was for the turbo

 

4 looks like it should be the coolant passage that goes from the LIM to the right side of teh turbocharger.

 

i think thats what it is