SPE CP3 Conversion?
Cargo Master
Joined: Jul 2011
Posts: 2,677
Likes: 981
From: Walpole, MA
Bosch is in significantly better shape than stanadyne, PE has picked it pretty clean.
That said if S&S did their homework they should have right of first refusal on the IP of the DCR based pump and could possibly replicate with a contract manufacturer.
That said if S&S did their homework they should have right of first refusal on the IP of the DCR based pump and could possibly replicate with a contract manufacturer.
Lead Driver
Joined: May 2021
Posts: 5,912
Likes: 3,529
From: Uh oh, CA
I haven't read through all of it, but here is an article on the CP8. I do wonder if Ford will adopt it, or even if it will be backwards compatible, but at this point isn't it just RAM using it... let them work all the bugs out I guess! It will be interesting to see how it does though.
https://www.kemsoracing.com/blogs/ne...He47zH8GLwiYzl
https://www.kemsoracing.com/blogs/ne...He47zH8GLwiYzl
Laughing Gas
Joined: Jan 2024
Posts: 849
Likes: 464
From: Up in Texas
I haven't read through all of it, but here is an article on the CP8. I do wonder if Ford will adopt it, or even if it will be backwards compatible, but at this point isn't it just RAM using it... let them work all the bugs out I guess! It will be interesting to see how it does though.
https://www.kemsoracing.com/blogs/news/cp8-fuel-pump-the-critical-high-pressure-heart-of-modern-diesel-engines?srsltid=AfmBOoqnrjA4iufe8dfmKN6EUsk2stvjF1 6xjpQOhxHe47zH8GLwiYzl
https://www.kemsoracing.com/blogs/news/cp8-fuel-pump-the-critical-high-pressure-heart-of-modern-diesel-engines?srsltid=AfmBOoqnrjA4iufe8dfmKN6EUsk2stvjF1 6xjpQOhxHe47zH8GLwiYzl
Quote:
" The entire contaminated fuel system must be addressed. At minimum:Replace all fuel injectors with new units.Replace the common rail.Replace the fuel filter housing and install a new filter.Thoroughly flush all fuel lines with clean diesel.Drain, clean, and flush the fuel tank, or replace it if debris is extensive.Replace any potentially contaminated sensors in the high-pressure circuit.Use fresh, high-quality diesel fuel."
Sure doesn't appear they have the faith in the new pump to warranty a pump swap without doing a full system 😞
Lead Driver
Joined: May 2021
Posts: 5,912
Likes: 3,529
From: Uh oh, CA
It looks like it is not a new pump either...
- Widespread Adoption: The CP8 has become the dominant high-pressure pump on many European diesel engines introduced from approximately 2015 onwards.
Lead Driver
Joined: Feb 2005
Posts: 7,984
Likes: 2,671
From: The Great State of Texas
I haven't read through all of it, but here is an article on the CP8. I do wonder if Ford will adopt it, or even if it will be backwards compatible, but at this point isn't it just RAM using it... let them work all the bugs out I guess! It will be interesting to see how it does though.
https://www.kemsoracing.com/blogs/news/cp8-fuel-pump-the-critical-high-pressure-heart-of-modern-diesel-engines?srsltid=AfmBOoqnrjA4iufe8dfmKN6EUsk2stvjF1 6xjpQOhxHe47zH8GLwiYzl
https://www.kemsoracing.com/blogs/news/cp8-fuel-pump-the-critical-high-pressure-heart-of-modern-diesel-engines?srsltid=AfmBOoqnrjA4iufe8dfmKN6EUsk2stvjF1 6xjpQOhxHe47zH8GLwiYzl
Laughing Gas
Joined: Jan 2024
Posts: 849
Likes: 464
From: Up in Texas
Are they still overdriving them?
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Lead Driver
Joined: Feb 2005
Posts: 7,984
Likes: 2,671
From: The Great State of Texas
Not sure, but with two pistons I suspect they still are unless they increased the volume of the cylinders
Last edited by FishOnOne; Dec 1, 2025 at 07:37 AM.
Laughing Gas
Joined: Jan 2024
Posts: 849
Likes: 464
From: Up in Texas
Or added lobes, the cp3 is 3 pumps 1 lobe, the cp4 is 2 pumps 2 lobes, we know the CP8 is 2 pumps, but how many lobes
Fleet Mechanic
Joined: Oct 2022
Posts: 1,823
Likes: 898
From: Dallas Metroplex
The way they keep pushing up fuel pressures I wouldn't be surprised if they eventually manufactured a little Wankel engine to mount on the front of the block to pump the dang fuel... lol
Cargo Master
Joined: Jul 2011
Posts: 2,677
Likes: 981
From: Walpole, MA
As long as they make the low pressure side of the pump oil and not fuel lubricated I couldn't care less how they do it.
Lead Driver
Joined: Feb 2005
Posts: 7,984
Likes: 2,671
From: The Great State of Texas
Bosch installed something similar to the back side of the CP4.2 used on the Duramax to pump fuel into the CP4.2 pump. This worked fine until the filter change and this pump went dry therefore starving the CP4.2 for a bit. That was a bad design.
FTE Legend
Joined: Mar 2017
Posts: 31,969
Likes: 9,197
From: Western NY
IMO, it appears Stanadyne isn't going anywhere anytime soon.
Diesel and Gasoline Fuel Injection Systems - Stanadyne
Diesel Products - Stanadyne
Diesel and Gasoline Fuel Injection Systems - Stanadyne
Diesel Products - Stanadyne
Cargo Master
Joined: Jul 2011
Posts: 2,677
Likes: 981
From: Walpole, MA
IMO, it appears Stanadyne isn't going anywhere anytime soon.
Diesel and Gasoline Fuel Injection Systems - Stanadyne
Diesel Products - Stanadyne
Diesel and Gasoline Fuel Injection Systems - Stanadyne
Diesel Products - Stanadyne
Just for context, stanadyne has produced 46 million injection pumps in almost 75 years..
Bosch has made over 60 million CP4s alone.
https://www.bosch-mobility.com/en/so...sure-pump-cp4/
So there is a significant difference in scale here, that said if S&S played their cards right even if Stanadyne goes toes up they should be able to get their hands on the underlying IP of the pump. Won't be cheap but should allow them to continue production.