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For every degree (F or C it doesn't matter) you increase intake air temp your EGT see the same increase.
With DPF you need as much EGT as you can get to burn off the soot, I wouldn't be surprized if some diesels fired up their intake heater to help burn off the DPM.
My solution, ax the DPF. On larger diesels it can take up to 17 liters, 4+ gallons of fuel, $16 worth of fuel, to torch the DPM off the DPF.
This is a great deal for the government, they get over $2 in taxes for 0 miles driven on your part every time your DPF lights up.
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
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