exhaust

Ok lads i'm going to be fitting an AFR gauge to the car, am i right in saying that it's better having the Lambda as far back along the exhaust as possible. I can basically put it anywhere in the exhaust as i'm fitting a new one and getting the bung welded in before i put it on. so where would be...

Right I had to remove my turbo this morning to be sent away to have some more work done to it so I took the manifold off the same time. Once they have been off before its a dawdle took me 40 minutes to have the turbo and mani in my hand. You need the trusty; I then had a good look...