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The bloke at the workshop who dynoed my car after fitting the (3” exhaust/13psi) reckoned that the ‘back off' temp is 600 deg.C. In the interests of longevity I’m a bit more conservative & have my alarm set at 525 deg.C. However it is pretty rare that I get it up to alarm temp, usually run between 250 & 400 deg.C. Before the dynotune reaching 600 deg.C was worryingly easy. Makes me wonder how many folk who fit exhausts & increase boost without an egt gauge are happily driving around without knowing the temps are up that high.
2006 4.2TDi ex-Telstra Remote area Camper. Patrol Sold after 11 years of ownership Replaced with 2006 OKA NT Expedition Truck. Cummins, Allison & lots of goodies A Nomadic Life (Blog)
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