Gray CPS?
Lead Driver
Joined: Oct 2004
Posts: 7,413
Likes: 1
From: Columbia, MO
Originally Posted by aklim
Well, I talked to Diane and she said that when they get the equipment moved, Jody will do some testing on the new CPS since that is going to be a standard that his tunes will have to work on
FTE Leadership Emeritus
Joined: Sep 2003
Posts: 12,253
Likes: 763
From: Houston, Texas
So far so good for me on the gray CPS. My engine actually runs smoother and quiter. With the HPX, 203* thermostat, and the gray CPS, my truck is as quiet as a V10 at cruising speeds. Great fuel economy too BTW, no less than 17.5 with my mods.
Fleet Mechanic
Joined: Feb 2007
Posts: 1,852
Likes: 39
Just today I replaced my black OE CPS with one of the new B-rev gray ones. $27 plus tax from the local dealer. I had already bought a replacement black ones off of eBay and put it in my toolbox about two months ago, but after reading that the gray one might be improved, I thought it would be money well spent.
The installation went smoothly, aside from cutting the shiat out of my finger on the fan (another thread on that!) I swear the truck is more responsive and powerful. My old CPS was just starting to go out, stuttering on the freeway occasionally, and sometimes dying completely. But, these symptoms had been going on for only a couple of days, so hard to say how well the OE CPS had been working overall.
However, I went and filled up the tank immediately after the change. I will be watching my mileage to see if the power change is just my imagination. I just got back from a long trip, and my freeway mileage was 14.5, I was disappointed, I was hoping for higher. But, I had three kayaks on top... So many variables!
I will report back with info about my fuel mileage with the new CPS, as soon as I know.
The installation went smoothly, aside from cutting the shiat out of my finger on the fan (another thread on that!) I swear the truck is more responsive and powerful. My old CPS was just starting to go out, stuttering on the freeway occasionally, and sometimes dying completely. But, these symptoms had been going on for only a couple of days, so hard to say how well the OE CPS had been working overall.
However, I went and filled up the tank immediately after the change. I will be watching my mileage to see if the power change is just my imagination. I just got back from a long trip, and my freeway mileage was 14.5, I was disappointed, I was hoping for higher. But, I had three kayaks on top... So many variables!
I will report back with info about my fuel mileage with the new CPS, as soon as I know.
Fleet Mechanic
Joined: Feb 2007
Posts: 1,852
Likes: 39
Originally Posted by aklim
Will you get an accurate reading tho? I mean, you might be comparing a working CPS with a semi or non working one
Senior User
Joined: Jul 2006
Posts: 192
Likes: 1
From: Florence,SC
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Lead Driver
Joined: Jan 2006
Posts: 7,308
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From: Hartford, WI
Originally Posted by JIM ROLAND
Regardless of what we prefer, the $25 version is a good spare to keep in the glovebox.I do.
Senior User
Joined: May 2007
Posts: 393
Likes: 0
Originally Posted by aklim
Not if it doesn't work well. I'd rather get the $100 International one if it has a better chance of working and lasting.
I am just curious. How can we gauge this? I mean some people here go 10K and need a new one, some are using their original with 150K plus miles. It seems if the black CPS’s reliably go bad at 50K all the time, for example, then you could use the new grey or blue ones to see if they last longer/shorter. Otherwise the lifespan of the black CPS’s seem to be all over the board, with no real means to measure reliability. Are the blue ones a known quantity as far as reliability? Thoughts?
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camodown
1999 - 2003 7.3L Power Stroke Diesel
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Feb 8, 2009 07:26 AM
