Do these additives really work? - Diesel Forum - TheDieselStop.com
7.3L IDI Diesels (Not Power Strokes) Technical discussion of topics related to vehicles powered by the 7.3 Liter In-Direct Injection Navistar engines.

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post #1 of 15 (permalink) Old 09-13-2018, 04:28 PM Thread Starter
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Do these additives really work?

https://www.hotshotsecret.com/?utm_s...8057d453d4382c

94 F350 7.3 IDI Turbodiesel 4x2 CC E4OD transmission, 4.10 gear ratio, 10.25 ring gear, limited slip, single rear wheels, long bed, Tru-Cool Max 45k transmission cooler l
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post #2 of 15 (permalink) Old 09-13-2018, 05:16 PM
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Some 6.0 owners report injector stiction being an issue and having luck with this product. Never seen stiction on a 7.3 DI and no way on an IDI.


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post #3 of 15 (permalink) Old 09-13-2018, 05:24 PM
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The stiction eliminator will help clean the engine.
The diesel extreme works, but only supposed to run it once every 6 months.


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post #4 of 15 (permalink) Old 09-14-2018, 08:31 AM
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I put the Hotshot In my 99 7.3 when I bought it this past spring. It is amazing how clean the oil has stayed. Not the normal black diesel oil that you cant get off your hands. So Yes I say it works.
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post #5 of 15 (permalink) Old 09-14-2018, 11:53 AM
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The black in the diesel oil is soot from the cylinder walls that gets washed off and into the oil. It is the filters job to get rid of it.

Hotshot would have nothing to do with cleaning the oil. Even their web site says nothing about cleaning the oil.

96 F250 PS XLT 4X4 long box, 5sp,4.10, manual hubs,pyro+boost guages, Dark Toumaline, add a leaf, Dale's TYMAR, and HX hose, downpipe, coolant filter, Luk clutch
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post #6 of 15 (permalink) Old 09-14-2018, 01:09 PM
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Quote:
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The black in the diesel oil is soot from the cylinder walls that gets washed off and into the oil. It is the filters job to get rid of it.

Hotshot would have nothing to do with cleaning the oil. Even their web site says nothing about cleaning the oil.
Couldn't agree more, Bugman.
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post #7 of 15 (permalink) Old 09-14-2018, 03:10 PM
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Yeah, something else going on. Lol or something hes not telling. (Like a bypass filter)

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PHP HYDRA, 6637, 3-4 DP TO STRAIGHT 4 BEHIND THE TIRE, 1.0 EXHAUST HOUSING, DIY D66 TURBO, FUGA E-FUEL, EBPV DELETE. Cooper discoverer AT/3'S.

2010 VW JETTA TDI DSG Kerma tune. Hankook ventus v2 concept 2.


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post #8 of 15 (permalink) Old 09-14-2018, 03:25 PM
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The post might have been saying that he used Hotshot when he bought the truck and his more recent oil changes are not as dirty.


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post #9 of 15 (permalink) Old 09-14-2018, 03:44 PM
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I looked at the Hotshot web site and how clean some of the motors are on before and after shots. Problem is you can get them just as clean by running kerosene mix in your oil.
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post #10 of 15 (permalink) Old 09-14-2018, 04:22 PM
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I looked at the Hotshot web site and how clean some of the motors are on before and after shots. Problem is you can get them just as clean by running kerosene mix in your oil.

Right, that's all most of that stuff is.

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post #11 of 15 (permalink) Old 09-14-2018, 04:30 PM
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It has helped my 7.3 clean some of the coking out of my turbo and injectors. But the key to a 7.3 is use good filters and change the oil every 4,000 miles.


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post #12 of 15 (permalink) Old 09-14-2018, 09:32 PM
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Yeah, but that'll be harder on your bearings.

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1994 F350 7.3 PSD 4X4 ZF5 DUALLY
PHP HYDRA, 6637, 3-4 DP TO STRAIGHT 4 BEHIND THE TIRE, 1.0 EXHAUST HOUSING, DIY D66 TURBO, FUGA E-FUEL, EBPV DELETE. Cooper discoverer AT/3'S.

2010 VW JETTA TDI DSG Kerma tune. Hankook ventus v2 concept 2.


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post #13 of 15 (permalink) Old 09-16-2018, 07:05 PM
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It's always been agreed upon by diesel mechanics and diesel engine reps that black oil means the oil is doing its job. I remember years ago a few people requested Havoline and it would turn black so quick a few people later accused the shop of not changing their oil, and this was in gas engines. Long time back, but I remember any life-long Havoline engine we tore down the tops of the cylinder heads were amazingly clean, no sludge whatsoever to be found.

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post #14 of 15 (permalink) Old 09-16-2018, 07:12 PM
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Quote:
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The stiction eliminator will help clean the engine.
The diesel extreme works, but only supposed to run it once every 6 months.
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You can't replace wear with chemistry. It's injector solenoid wear that causes the stiction in electronic engines.

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post #15 of 15 (permalink) Old 09-16-2018, 08:14 PM
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But it's not always wear causing stiction in a 6.0 injector. Many times the spool valves could be cleaned.

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PHP HYDRA, 6637, 3-4 DP TO STRAIGHT 4 BEHIND THE TIRE, 1.0 EXHAUST HOUSING, DIY D66 TURBO, FUGA E-FUEL, EBPV DELETE. Cooper discoverer AT/3'S.

2010 VW JETTA TDI DSG Kerma tune. Hankook ventus v2 concept 2.


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