Diesel fitter

[quote author=dodgeman01 link=board=7;threadid=15060;start=0#141367 date=1053704650]<br> Put the pyro probe pre turbo.<br>DM01<br>[/quote]<br><br>I hear a lot of guys wanting to do this but why do all the big rigs have it post turbo then? It looks to me that if you mount the thermocouple pre turbo the desighn of the exhaust manifold (length of runners) wouldn't give as acurate a reading as post turbo.