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EGT acceptable Max
I know that this question has been asked before. I have searched the internet and read most of them. I am looking for a link to some definitive source.
I need advice on EGTs. I recently installed a Dr Performance chip. It is an add on chip that plugs into the IPC sensor and ties into the MAP sensor. I bought it for the advertised up to 15% MPG increase. They also claim that there will be no increase in EGTs and that it can be used all the time even when towing. I installed a pyrometer even though Dr Performance claimed that it wasn’t needed and I also install a 4” exhaust and a K&N air filter. I tested the chip by pulling a trailer with the trailer empty (11,000 GVW) and full (20,000 GVW). With the empty trailer I had a hard time maintaining the speed limit without the EGTs climbing over 1200F. I unplugged the chip and with the empty trailer the EGTs stayed under 1200F even during full throttle. I plugged the chip back in and with the trailer full it was a real struggle to keep the EGTs to less than 1300F. On one steep 1-mile long grade I had to gradually slow down to 25MPH in second gear to stay less than 1300F.
I contacted Dr Perfomance and asked for an RMA. Whitney Goeders responded and I quote:
“it sounds like its operating normally. 1200 degrees module or not, is actually warmed to operating temperatures. Now when you get into the 15-1600 range is a little high but not enough to do damage. Damage will not occur until 2100 degrees on that style of diesel engine.” ( I have a 2001 F350 with an intercooled 7.3 automatic.)
What are acceptable EGTs?
The truck has 90K miles. I have installed a 4” exhaust, K&N filter and replaced and double clamped the intercooler hoses. I have read the ODBII and there are no codes. (Except for High injection pressure caused by the chip)
If I can get DR Performance to take the chip back which chip would you recommend to replace it. I would like a chip that is user programmable so that I can write my own custom tune to run hydrogen (HHO). I need to some how retard the timing and lean fuel/air mix.
Any advice will be appreciated,