1600* EGT's and blowing black smoke - Ford Powerstroke Diesel Forum
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post #1 of 6 Old 05-05-2019, 07:46 PM Thread Starter
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1600* EGT's and blowing black smoke

Pulling <9,000 lbs up not so steep grades at about 50 mph, I twice broke 1600 degrees pre turbo EGT's. It was still in 6th gear and and I check my side mirror and see a lot of black smoke coming out my tail pipe. Does this sound right? I know these things run a bit not, but holy smokes, 1600 degrees!

2015 CC, LB, 6.7, 4X4, DRW, Lariat ultimate, 160,000 mi. SCT Livewire w/ Tyrant tow tune. Deleted.

96 F250, 2wd regular cab. bone stock, 235,000 miles.

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post #2 of 6 Old 05-06-2019, 01:51 AM
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I have the same as you (no flat bed though).

I run a Tyrant tune...only the tune for Heavy Towing.

When I am not towing, I will get a puff of black smoke when passing someone (downshift from 6 to 5).

Surprisingly, when I am towing the Toy Hauler (20k lbs), I don’t think I’ve ever seen black smoke, even in a downshift to climb a hill.

Now, the temps. I am deleted also and have a temp probe installed for my CTS. When towing, I have an alarm set for 1200 degrees. Once it goes off, I back off and drive only by that temp probe (because I am not breaking any speed records). Once I am done with the climb, I go back to speedometer. I see no reason to destroy the truck trying to be the first one to the top of the hill.

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Cale
US Navy 1995-Present

2015 F-350 CCLB DRW, Lariat,
2nd Gen. 6.7L "Scorpion" Turbo Diesel,
440HP/860TQ, Torque Shift 6-speed,
Metallic w/Black Leather Interior,
14,000 LB GVWR,
4x4,
4.30 Gears,
Factory 5th Wheel/Gooseneck Prep Pkg.,
Spray In Bed-Liner,
Supplemental Cab Heater,
Camper Pkg.,
Upfitter Switches,
98 gallon Transfer Flow Bed Tank,
Timbrens,
10,150 lbs (CAT),
29,950 lbs with 2014 Voltage 3950 Toy Hauler (CAT).



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post #3 of 6 Old 05-06-2019, 03:57 PM Thread Starter
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1600* EGT's and blowing black smoke

I was pulling less than 9,000 lbs. I wouldnít think she would even break a sweat under that load.
Iím wondering if the truck is not shifting as early as it should.
I was in tow/haul mode. Maybe an issue with my tune?


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96 F250, 2wd regular cab. bone stock, 235,000 miles.

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post #4 of 6 Old 05-06-2019, 04:49 PM
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Check your cold side CAC pipe, the known for blowing out while towing

1997 F350 CCLB 7.3
2019 F350 CCSB 6.7 Lariat Sport
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post #5 of 6 Old 05-06-2019, 05:28 PM
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Quote:
Originally Posted by broncobilly_69 View Post
I was pulling less than 9,000 lbs. I wouldn’t think she would even break a sweat under that load.
I’m wondering if the truck is not shifting as early as it should.
I was in tow/haul mode. Maybe an issue with my tune?


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Possibly. I had a tow tine from a another vendor and it was complete crap...even though everyone said it was great. I am told that each truck reacts differently to tunes...which is interesting.

I specifically talked to Tyrant, before you had to go through third party vendors. I stated what I was towing, I wanted exhaust brake to work overtime, no hair dryer sounds, etc. the tune they sent was awesome.

Cale
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Cale
US Navy 1995-Present

2015 F-350 CCLB DRW, Lariat,
2nd Gen. 6.7L "Scorpion" Turbo Diesel,
440HP/860TQ, Torque Shift 6-speed,
Metallic w/Black Leather Interior,
14,000 LB GVWR,
4x4,
4.30 Gears,
Factory 5th Wheel/Gooseneck Prep Pkg.,
Spray In Bed-Liner,
Supplemental Cab Heater,
Camper Pkg.,
Upfitter Switches,
98 gallon Transfer Flow Bed Tank,
Timbrens,
10,150 lbs (CAT),
29,950 lbs with 2014 Voltage 3950 Toy Hauler (CAT).



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post #6 of 6 Old 05-07-2019, 06:47 AM Thread Starter
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I went through a third party.
Iíll have to remember which 3rd party that was and give them a call.


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96 F250, 2wd regular cab. bone stock, 235,000 miles.
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