KC Drop in s300 turbine with billet wheel turbo testing - Ford Powerstroke Diesel Forum
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post #1 of 21 Old 08-21-2018, 02:02 PM Thread Starter
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KC Drop in s300 turbine with billet wheel turbo testing

We just got done testing one of our new turbo designs for the 7.3 and wanted to update people on the results. This is basically a 100% stock turbo with our wheel upgrades in it. 6x6 billet KC Compressor wheel and stock sized s300 turbine wheel and stock .84ar housing. We sent out about 40 testers a few months ago and everyone loved them… well here are our test results.

180/30 injectors (AKA stage 1.5s)
Stage 1 hpop
Stock turbo with upgraded KC Wheels

405hp and 894tq
This turbo spools crazy fast and has GREAT low end power. By 2000 rpms it is cranking out over 300hp and 850tq. The truck drives great and tows like a dream. ZERO egts issues…. You really have to push it hard to get egts above 1000 and almost impossible to get above 1200 unless doing a 0-100mph pull. Overall very low smoke unless you get in it hard. It does not quite fully clean up the 180/30 injectors at WOT.

It runs 1:1 boost/ebp up to about 30psi.
Max boost of 35psi
Max ebp of 50psi

For those wondering on the PW and whether the 1.5s actually hold icp. We were a little disappointed but it is what it is.
3.7ms tune holds about 2600-2800psi
4.2ms tune only holds drops down to 2200-2400


Here is a video... I will also try uploading it to youtube
https://www.facebook.com/KCTurbos/vi...7472257797713/

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Current Setup 190/30 and KC 64mm Stage 2 turbo
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post #2 of 21 Old 08-21-2018, 02:18 PM Thread Starter
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Here is a youtube link to the video


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Current Setup 190/30 and KC 64mm Stage 2 turbo
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post #3 of 21 Old 08-21-2018, 02:53 PM Thread Starter
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Current Setup 190/30 and KC 64mm Stage 2 turbo
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post #4 of 21 Old 08-22-2018, 04:23 AM
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@02_7.three

180/30s,KC38R, Sump, Walbro, Donaldson 6637, Leveled, 4'' exhuast to 7'' tip, 08 mirrors, 6.0 front end ect...
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post #5 of 21 Unread 04-14-2019, 06:26 PM
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Maybe a little late to the thread, but thanks for the information and video. I am seriously considering dropping this into my 02 when i rebuild it with my ww2. I had issues with my 180/80's running hot and smokey in my 96 with the supporting mods. I am curious if this, with my ww2, same injectors and supporting mods will run cleaner and cooler. I am trying to keep this truck as tow friendly as possible, so I will have my tunes dial back the fuel more then my previous setup I think. What do you think @peixinho

Thanks again for the continued development into the 7.3 platform! Love these trucks.
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2002 CCLB 4x4 f350. Dp tuned, exhaust, ford severe duty intake
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Rosewood stage 2 180/80 injectors
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post #6 of 21 Unread 04-14-2019, 08:49 PM Thread Starter
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Quote:
Originally Posted by Slimline View Post
Maybe a little late to the thread, but thanks for the information and video. I am seriously considering dropping this into my 02 when i rebuild it with my ww2. I had issues with my 180/80's running hot and smokey in my 96 with the supporting mods. I am curious if this, with my ww2, same injectors and supporting mods will run cleaner and cooler. I am trying to keep this truck as tow friendly as possible, so I will have my tunes dial back the fuel more then my previous setup I think. What do you think @peixinho

Thanks again for the continued development into the 7.3 platform! Love these trucks.
It will run cleaner and cooler than stock... but 180/80 are pretty big injectors. I would not expect it to clean up the top end.

Do you already have the injectors? "stage 2" are my least favorite injectors (160/80, 160/100, 180/80, and 180/100). I much prefer the 160/30, 180/30, and 205/30 injectors for the average truck. If you want more than that then jump up to a hybrid like 205/80 or 238/80.

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Current Setup 190/30 and KC 64mm Stage 2 turbo
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post #7 of 21 Unread Yesterday, 07:34 AM
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Quote:
Originally Posted by peixinho View Post
It will run cleaner and cooler than stock... but 180/80 are pretty big injectors. I would not expect it to clean up the top end.

Do you already have the injectors? "stage 2" are my least favorite injectors (160/80, 160/100, 180/80, and 180/100). I much prefer the 160/30, 180/30, and 205/30 injectors for the average truck. If you want more than that then jump up to a hybrid like 205/80 or 238/80.
Unfortunately I already have the injectors. Would it be feasible to swap out the nozzles to make em 180/30? At the time I bought them they were the best "bang for buck" I could afford.

2002 CCLB 4x4 f350. Dp tuned, exhaust, ford severe duty intake
1997 f250 (retired) extended cab SRW 4x4 7.3 turbo, e4od
DP Tuner F6 tuned by Jody
Rosewood stage 2 180/80 injectors
Diy intercooled
efuel conversion
t500 hpop
BHAF
4" straight pipe
Swamps IDM
Diesel site coolant filter

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For Sale: E4od "Punisher" valvebody $150 obo
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post #8 of 21 Unread Yesterday, 11:16 AM
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KC Drop in s300 turbine with billet wheel turbo testing

I like the 80% nozzle, I’m planning on getting 160/80s. I know some people who run them and love them. One particular guy I talked to dynod 400hp/1000tq with 160/80s and some supporting mods

To take advantage of 180ccs of fuel you’ll want an 80% nozzle. Otherwise, that 180ccs of fuel will be useless because it won’t be able to get into the cylinder quick enough. You’ll have to run a lot of pulsewidth to get peak power out of them. Running a lot of pulsewidth increases cylinder pressures and is very hard on the pistons and connecting rods, and creates a lot of heat too. An 80% nozzle will allow the fuel to enter the cylinder quickly at high rpm
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post #9 of 21 Unread Yesterday, 11:39 AM
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I don't know this

but, i still can disagree with you. I feel that a 180/30 can be emptied by a 30% nozzle just not dumped like an 80. If you can flow 160CC through a stock nozzle i don't feel that a 30% is to small.

Any who if you have fordged rods I'd rock 180/80s. You can dump the fuel giving you great pedal feel aswell as good bottom end torque. Low end fuel (torque) kills PMRs.

180/30s,KC38R, Sump, Walbro, Donaldson 6637, Leveled, 4'' exhuast to 7'' tip, 08 mirrors, 6.0 front end ect...
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post #10 of 21 Unread Yesterday, 11:40 AM
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Just realized its an 02.... you have PMR's

180/30s,KC38R, Sump, Walbro, Donaldson 6637, Leveled, 4'' exhuast to 7'' tip, 08 mirrors, 6.0 front end ect...
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