IHC "Blue" CPS
Fleet Mechanic
Joined: Feb 2005
Posts: 1,797
Likes: 1
From: Northern Colorado
Originally Posted by blown99
.............Understanding what you are doing and why it does what it does is the important part. Any idiot can change a part............
Freshman User
Joined: Jan 2005
Posts: 42
Likes: 0
I have read all 37 pages of this and want to share my thoughts.
I am a dumb farm boy and have to revert to common sense or being dumb or what ever it is once in a while.
It seems to me that if the only difference in the 2 CPSs is the strength of the magnet, that a stronger magnet would give a cleaner more accurate signal, which seems to have been proven, it also appears that there are some discrepencies on how it affects engine performance.
I also know that magnets lose strenght over time. Does anyone have any experience with the age of their CPS and how it relates to performance? Could some of the differences in the black and the blue be because maybe the black one has gotten weak but has not failed yet? And those that did not notice a difference, maybe their black one was still strong? I would also think the readings produced by the sensor would be affected by the air gap in relation to the strength of the magnet.
I am a dumb farm boy and have to revert to common sense or being dumb or what ever it is once in a while.
It seems to me that if the only difference in the 2 CPSs is the strength of the magnet, that a stronger magnet would give a cleaner more accurate signal, which seems to have been proven, it also appears that there are some discrepencies on how it affects engine performance.
I also know that magnets lose strenght over time. Does anyone have any experience with the age of their CPS and how it relates to performance? Could some of the differences in the black and the blue be because maybe the black one has gotten weak but has not failed yet? And those that did not notice a difference, maybe their black one was still strong? I would also think the readings produced by the sensor would be affected by the air gap in relation to the strength of the magnet.
Fleet Owner
Joined: Jun 2004
Posts: 25,090
Likes: 1,112
From: Rio Rico, AZ.
Originally Posted by blown99
The KWIk mod and the fuel line mods are nothing more than a variation (homemade version) of what navistar puts in there 3000 and 4000 series trucks and buses. Its nice to see somebody offers his ideas without a price tag to people that don't know what works and doesn't instead of stealing there money for a mod that doesn't work.
What I did for my truck most certainly does work and gets what I wanted done: removing the air from the fuel rails.
Lead Driver
Joined: Oct 2004
Posts: 7,413
Likes: 1
From: Columbia, MO
Originally Posted by guzzle92
Yep, your right...We're nothing but a bunch of idiot parts changers here. Maybe someday cletus will take some time and explain to you what he knows about diesel ignition timing. In the meantime, I must get back to my idiotic parts changing.
With as many parts as I've been changing on my truck recently, I'm suprised I still know how to chew gum.
Senior User
Joined: Aug 2005
Posts: 123
Likes: 0
Originally Posted by guzzle92
Yep, your right...We're nothing but a bunch of idiot parts changers here. Maybe someday cletus will take some time and explain to you what he knows about diesel ignition timing. In the meantime, I must get back to my idiotic parts changing.
I can't wait to meet Cletus and tell him that diesels don't have ignition timing. FYI its injection timing.
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Thread Starter
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Lead Driver
Joined: Dec 2003
Posts: 5,250
Likes: 42
Here's my thoughts. Yes the blue has a stronger magnet.
My engine was noticeably quieter with bluey, would fire up a little faster, and "seemed" to have more get up and go.
My concern it that it failed so soon. What is causing this? It was not designed for our 7.3, but obviously made some effect on the engine. NOw, what effect does the engine/electrical system have on it since this wasnt its intended purpose? The blue cps was designed for a specific engine "enviornment" if you will and I seriously doubt its gonna adapt to its new "habitat"- if you see what I mean.
My engine was noticeably quieter with bluey, would fire up a little faster, and "seemed" to have more get up and go.
My concern it that it failed so soon. What is causing this? It was not designed for our 7.3, but obviously made some effect on the engine. NOw, what effect does the engine/electrical system have on it since this wasnt its intended purpose? The blue cps was designed for a specific engine "enviornment" if you will and I seriously doubt its gonna adapt to its new "habitat"- if you see what I mean.
Hotshot
Joined: Jan 2002
Posts: 17,988
Likes: 207
From: La La Land
Originally Posted by blown99
I can't wait to meet Cletus and tell him that diesels don't have ignition timing. FYI its injection timing.
Yes, it's considered injection timing, but diesels are compression ignition engines, so there WILL be ignition "timing". There IS a time when the fuel's flame travel begins, and it can be measured. It's a direct correlation to the injection timing.
We may be a bunch of amateurs on here (best not ask me what I think of some "professionals"), but I'll be more likely to take the advise of someone who isn't calling us idiots. I've been twisting wrenches for about 45 years, and it isn't rocket science or black magic. I follow very closely the writings of those from whom I'll be emulating procedures, weighing them against my own experiences, and then making my decision on what is going to happen with my own truck. And, no, I don't have a 466 CPS. I'll take my time with this kind of thing.
Coming in here to tell us what dumbkoffs we all are won't get you any respect points. I've got a pretty-good idea who is, and who isn't, worth listening to on this forum. My gut feelings have served me pretty well over the past. I may respect your experience and knowledge, but not your tact.
Lighten up.
Pop
Last edited by SpringerPop; Feb 24, 2006 at 02:16 PM.
Lead Driver
Joined: Oct 2004
Posts: 7,413
Likes: 1
From: Columbia, MO
Originally Posted by SpringerPop
Blown, I understand what you're saying, but let's be a bit more tolerant here....
Lighten up.
Pop
Lighten up.
Pop
I was thinking things were getting a little out of hand here -- especially for us.
Butt-Head
Joined: Apr 2004
Posts: 9,437
Likes: 2,925
From: Reed Point, MT
Originally Posted by blown99
.
I can't wait to meet Cletus and tell him that diesels don't have ignition timing. FYI its injection timing.
I can't wait to meet Cletus and tell him that diesels don't have ignition timing. FYI its injection timing.
How about you leave your self-righteousness in your head and accept the fact that EVERYONE here has something to learn. Not all of us are fortunate enough to have the technical knowledge of others....but that's why some of us do what we do and leave the stuff we don't know about to professionals in their field.
Cody
Lead Driver
Joined: Oct 2004
Posts: 7,413
Likes: 1
From: Columbia, MO
Originally Posted by cleatus12r
...EVERYONE here has something to learn.
Postmaster
Joined: Jun 2005
Posts: 3,438
Likes: 0
From: New Hampshire
Originally Posted by jtharvey
Yes indeed, Cody. I for one have a lot to learn, and am always all ears to new info. I'm sure I'm not the only one who appreciates all of your work and time you've put into the CPS mystery.
Nut