Anyone tow occasionally with Stage 3 KC Turbo and Larger Injectors - Ford Powerstroke Diesel Forum
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Old 06-28-2014, 08:13 AM
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Anyone tow occasionally with Stage 3 KC Turbo and Larger Injectors

I don't tow anything at all and I kept this in mind when making the decision on the mods I wanted to do from the very beginning when my truck was bone stock less than 1 year ago. The general consensus was that installing the stage 3 and larger injectors pretty much retires you're truck of any dedicated towing capabilities. No big deal for me. Only thing I haul is *** and the occasional sport bike to do track days.

My new Stg 3 turbo, 190/75 injectors, and WPE race ported manifold are still sitting in my garage, and as soon as I can spare the truck being down for about a week, I plan on putting these last 3 big items on.

With that said, just wondering if I HAD to tow something, would I have any issues? Just something that came to mind last week when I had to tow about 8k lbs which was a spur of the moment thing and the first time I towed anything with this truck since I bought it.. I was thinking once all my mods are installed, that maybe I should get a dedicated towing tune to account for the larger injectors and turbo JUST in case a need like this arrises in the future.


Anyone tow occasionally with this turbo and larger injectors?
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Old 06-28-2014, 08:28 AM
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I would think with a good tow tune that you should be able to tow okay on ocasion. I'm going with 205/100s, race manifold and a barder 68mm and wont hesitate to tow. I'll just have to keep a good eye on what the EGT's are doing. I THINK you'll be okay.
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Old 06-28-2014, 11:21 AM
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I'm running a KC 68 with 190/75's....but haven't towed anything yet
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Old 06-28-2014, 11:31 AM
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Hopefully some more guys with personal experience can chime in...

I personally have towed with 175/75 with no problems... as long as I was on a tow tune then everything was fine. DONT EVER TOW ON A RACE TUNE. It is not just about egts... it also has to do with timing and cylinder pressures.


I know Jared (gearhead 2012) here on the forum has towed 8000 lbs lifted on 37" tires and stock gearing with no problems. He is running 175/30 and KC68

I have another guy named Nick who owns CN Diesel who has towed upwards of 15000 lbs and said it did great.

Andy Warren from Warren diesel was towing over max weight (I think around 20,000 lbs) and said it did great


Your cruising egts will be a little higher than normal (but still in the safe zone). But when pushing it hard up a hill the turbo should do aweseom.


Get a good tow tune written that prevents going into OD too early and not to lock up the tq converter too early and make sure they pull plenty of fuel. You should be fine. Let me know if you have any specific questions
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Old 06-30-2014, 06:19 AM
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I just installed 225/75 injectors in my truck and towed approx 9000lbs ( tractor / trailer ). My truck is currently tuned for 190/30 injectors; not the 225cc's that are installed. Cruising up a pretty steep incline ( I speculate to be 6 % ) I was able to maintain 1100 degrees even with the mass fuel desired tables being skewed outside of 'allowable parameters'.

The turbo was able to keep the engine very cool. That is the thing I like the most about the KC68 is that it flows A LOT of air when needed.

Once I tune my truck where it needs to be for the recent modifications, I wouldn't hesitate to hook up to 15,000 lbs with this charger on a tow tune. It works very well.
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Old 06-30-2014, 06:56 AM
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Now that it has warmed up, up here in Canada I will say that the temps I see are on the higher side than I would like. At 65 mph towing I am seeing about 1050* as a typical temp on level ground, so I am about 100-150* warmer than I used to be on the same tunes with my stage 1. At 55-60 mph the temps are better and when in 5th at higher RPM (50-55 mph) the temps are about 850*. This is pulling my wakeboat (6,000 lbs) which does have a larger wind catch than my heavier horse-trailer. Climbing hills I have seen 1,200-1300* even at lower speeds in OD.

One thing I have noticed for DD trailerless, as initially described by Charlie prior to putting on the KC-68, is the typical temps are now 50-100* warmer than when I had my stage 1 turbo on the truck. In the winter months, there was not any noticeable increase. As well, lately my boost is about 1-2 psi lower at cruise. I will say the fuel economy is better with slightly lower boost at cruise, but the temps will be higher. I have no leaks and I have cursorily checked the turbo (comp section and finger bearing test). I still need to pull the turbo to check the turbine. I would agree that tuning, specifically for the turbo, will keeps the temps in control. I have not tried my new tow tune yet as I was establishing a base-line from what I had done last year.

FWIW, my trans temps haven't got above 160*. I have also been suffering what I believe to be T/C and/or transmission issues, but none of the typical symptoms are showing, or continuous; nor do I have any codes yet.

Last edited by twoicebergs; 06-30-2014 at 07:02 AM. Reason: fuel economy
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Old 07-01-2014, 07:46 AM
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What is consider a safe EGT and for how long can you run a high EGT?
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Old 07-01-2014, 08:18 AM
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Quote:
Originally Posted by bootcamp View Post
What is consider a safe EGT and for how long can you run a high EGT?
You shouldnt sustain over 1200 degrees EGT for any extended period of time. ( less than thirty seconds )
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Old 07-01-2014, 09:07 AM
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I can nearly hit 1100* accelerating moderately from 0-50mph only using 15-20% throttle on flat ground.
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Old 07-01-2014, 01:26 PM
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egts are like age, there just a number. LOL
scparrish, ODAWG714 and snafu! like this.
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