FFD Rail System

fastersteve · Oct 9, 2019

superpsd said:
Not sure about Dave but Johnathan looks like he opened a new buisness focused on PCM repair/flashing and other electronics.

Got a name or contact info for that business?

trevdalocal · Oct 9, 2019

fastersteve said:
Got a name or contact info for that business?

https://www.dieseltechchatt.com/pages/about-d-t-c

powerlifter405 · Oct 9, 2019

superpsd said:
Not sure about Dave but Johnathan looks like he opened a new buisness focused on PCM repair/flashing and other electronics.

Had no idea, thanks.
Dave helped me trouble shoot some issues over the phone years ago. Was GTG.

fastersteve · Oct 10, 2019

trevdalocal said:
https://www.dieseltechchatt.com/pages/about-d-t-c

Thank you!

KCTurbos · Oct 13, 2019

Swaan said:
That's great , glad you can do some testing.
Too bad you couldn't do it all on the same dyno in the same day. As we all know air quality and altitude play huge roles in numbers. Looking forward to see some results.

Actually... that is why dyno's have "corrected numbers". Because you can't keep all variables exactly the same even 1-2hrs apart.

The "corrected numbers" take into account temp, altitude, humidity, etc... all the variables that change. It uses a fancy formula to "give and take" as needed to keep the baselines the same. It is pretty accurate from all of our testing. Just last week we took a truck that we had on the dyno 8 months ago when it was much cooler out, swapped around turbos a bunch of times, and went back to the original testing turbo. We are about to test something other than turbos and wanted to make sure our baseline was still correct... but who knows what can happen with a truck that is beat on over 8 months and did not want to throw off the data. So we put the original turbo testing turbo and went back to the dyno this week... EXACT SAME power curve and within 2 hp (which is negligible and can vary more than that just between dyno runs).

Long story short... that is why we use "corrected numbers" for all of our testing because it keeps a baseline and allows us to test things all year round and not have to worry about having he "exact same conditions".

Granted that is also why sometimes "corrected numbers" don't align 100% with track numbers.

I know this goes contrary to popular "internet" belief... but Dyno's are much better for testing products back to back because they can take these variables into account. They can also monitor and catch much smaller details.

cjfarm111 · Oct 18, 2019

It’s been a month and a half and still no testing? Results? Seat of pants difference?

jbolen323 · Oct 18, 2019

ran into a motor issue hiccup on my end that im tearing into that is affecting a lot of things along with sending off my injectors to be gone through. started dumping blue smoke after a hit on the dyno again.

I can barely crack 500hp on 350/200 and a s472 when all of my other trucks here are low 500hp on 238/80

ill keep everyone updated.

cjfarm111 · Oct 19, 2019

Oh ouch. What seems to be the issue

Swaan · Oct 19, 2019

Prob the new oil rail restrictions . Lmao

Sorry couldn't resist.

Hope you get it figured out and she's not hurt too bad.

superpsd · Oct 22, 2019

If it's like half the parts that come to market for the 7.3 no unbiased controlled tests will ever reveal if the new restrictor tubes work.

hucorey · Nov 12, 2019

These rails seem go against the science of fluid power. I wish I saw this thread much earlier. Testing that has been done for our crossover line (anyone's really) we seen as high as 300-400psi difference between the two heads with an analog gauge on each head. With an hpx line, pressures were the same. Keep in mind 400psi is A LOT at either a 5:1 or 7:1 pressure intensification for fuel nozzle pressure loss of 2000-2800psi.

Reason behind the above info is that there needs to be more pressure sensors (at least 3 more IMO) installed on the heads to see if ICP is only showing well because it's close to the pump and the tubes are restricting flow to the injectors further away from the pump. So cylinder #2 (where the ICP sensor is at) sees the pressure quicker, but cylinder #7 potentially will be low. PCM won't throw a low ICP code for #7 because there is no sensor to read it.

As mentioned earlier, when laying out a fluid power system, you need to know how much pressure and volume is needed to operate the device(s) in the circuit without causing high duty cycle to the pump. It simply takes X amount of oil volume at Y pressure to run the injectors at Z pulse width.

And Dave didn't sell Swamps. They went bankrupt, are now called Swamps Motorsports. Last I heard from another former employee, he's not even with the company any longer.

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lincolnlocker · Nov 13, 2019

hucorey said:
These rails seem go against the science of fluid power. I wish I saw this thread much earlier. Testing that has been done for our crossover line (anyone's really) we seen as high as 300-400psi difference between the two heads with an analog gauge on each head. With an hpx line, pressures were the same. Keep in mind 400psi is A LOT at either a 5:1 or 7:1 pressure intensification for fuel nozzle pressure loss of 2000-2800psi.

Reason behind the above info is that there needs to be more pressure sensors (at least 3 more IMO) installed on the heads to see if ICP is only showing well because it's close to the pump and the tubes are restricting flow to the injectors further away from the pump. So cylinder #2 (where the ICP sensor is at) sees the pressure quicker, but cylinder #7 potentially will be low. PCM won't throw a low ICP code for #7 because there is no sensor to read it.

As mentioned earlier, when laying out a fluid power system, you need to know how much pressure and volume is needed to operate the device(s) in the circuit without causing high duty cycle to the pump. It simply takes X amount of oil volume at Y pressure to run the injectors at Z pulse width.

And Dave didn't sell Swamps. They went bankrupt, are now called Swamps Motorsports. Last I heard from another former employee, he's not even with the company any longer.

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Isn't removing the check valves in the hpop lines at the pump fitting the same concept of a hpx crossover? Or shoud both be done for equal pressure?

live life full throttle

hucorey · Nov 13, 2019

lincolnlocker said:
Isn't removing the check valves in the hpop lines at the pump fitting the same concept of a hpx crossover? Or shoud both be done for equal pressure?

live life full throttle

Nope, we seen the 300-400 psi pressure difference between the two heads with the check valves out. I didn't realize other shops made these, but back when I was working at the steel mill, the engineers would always call out crossover piping on the big hydraulic pumps with dual outlets to stabilize pressure in the systems. That's where I got the idea from.

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lincolnlocker · Nov 13, 2019

hucorey said:
Nope, we seen the 300-400 psi pressure difference between the two heads with the check valves out. I didn't realize other shops made these, but back when I was working at the steel mill, the engineers would always call out crossover piping on the big hydraulic pumps with dual outlets to stabilize pressure in the systems. That's where I got the idea from.

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Wowza!! Thats a big difference then!

live life full throttle

cjfarm111 · Dec 2, 2019

Any test/dyno sheets available yet?

superpsd · Dec 2, 2019

Don't hold your breathe.

cjfarm111 · Dec 2, 2019

I’m starting to think it’s a joke. I always give someone the benefit of the doubt so I’ll be patient. I won’t be purchasing until I see some performance gains

Lt.Dan · Dec 21, 2019

Read this thread twice through now, still waiting patiently...

Arnoldb.1 · Dec 24, 2019

Saw a YouTube video where Strictly Diesel installed them on an OBS.
https://youtu.be/oTDwfGf-488
Maybe they will pop in and give some in site reviews

Chvyrkr · Dec 27, 2019

Hotrodtractor said:
I have MORE than enough modeling and other cool things on my plate - I don't need to do something else just for enjoyment. LOL I have a truck that needs finished so the owner can have it and enjoy it. Might be my last thing PSD at least for a while.

Speaking of...

I have a thing I've been meaning to talk about with you, but never remember to talk to you about...

My excuse is I took a desk job that gobbles up my time like I never could have imagined. When I get time away from my desk, I don't even want to look at a computer.

I'm posting in the off chance that this reminds us to talk about it.