Duramax Diesels Forum Truck of the Week
  #1  
Old 11-23-2017, 01:50 PM
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Default CP3 conversion kit

Looking at picking up a CP3 conversation kit this weekend. Who makes the best fitting kit? I've heard of some fitment issues with a few of them. Looking at the following kits.

- SDP
- WcFab
- Fleece

Right now the Sceaming diesel kit looks the best right now to me.
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2011 CHEVY 2500HD CCSB Duramax/Allison LTZ

2005 CHEVY 2500HD RCLB 2WD Duramax/Allison

2002 GMC 2500HD RCLB Duramax/allison 2.6 puller
Special thanks to:
- Danville performance, Mark.
- Suncoast transmission's, Andrew.
- Wehrli custom fab, Jason.
- Profab, Rick
- Turbo performance, Levi.
- HSP, Joe and Dave.
- SoCal diesel.
- Wagler competition, Jeramy.
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  #2  
Old 11-23-2017, 01:55 PM
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No issues with my SDP kit, fitment is great...


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  #3  
Old 11-23-2017, 01:56 PM
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Quote:
Originally Posted by M.A.M. View Post
No issues with my SDP kit, fitment is great...


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Did you have to bend any high pressure lines to install?
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2011 CHEVY 2500HD CCSB Duramax/Allison LTZ

2005 CHEVY 2500HD RCLB 2WD Duramax/Allison

2002 GMC 2500HD RCLB Duramax/allison 2.6 puller
Special thanks to:
- Danville performance, Mark.
- Suncoast transmission's, Andrew.
- Wehrli custom fab, Jason.
- Profab, Rick
- Turbo performance, Levi.
- HSP, Joe and Dave.
- SoCal diesel.
- Wagler competition, Jeramy.
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  #4  
Old 11-23-2017, 02:09 PM
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No, the AN fittings and line they include keep you from having to bend anything.


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  #5  
Old 11-23-2017, 02:27 PM
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Quote:
Originally Posted by M.A.M. View Post
No, the AN fittings and line they include keep you from having to bend anything.


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Awesome, thanks, sounds like the kit for me.
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- ZAK

2011 CHEVY 2500HD CCSB Duramax/Allison LTZ

2005 CHEVY 2500HD RCLB 2WD Duramax/Allison

2002 GMC 2500HD RCLB Duramax/allison 2.6 puller
Special thanks to:
- Danville performance, Mark.
- Suncoast transmission's, Andrew.
- Wehrli custom fab, Jason.
- Profab, Rick
- Turbo performance, Levi.
- HSP, Joe and Dave.
- SoCal diesel.
- Wagler competition, Jeramy.
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  #6  
Old 11-23-2017, 04:53 PM
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I have installed several fleece kits. No issues with fitment. All in all very nice kit in my opinion.

Wherli had issues. And customer service was horrible. As a matter of fact I'm still waiting on a call back from them. Only been 9 months though.

Never installed an SDP kit.


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2003 GMC CCSB LLY
Built by me, tuned by me.

2009 ECI Diesel Truck Points Champion
2010 ECI Diesel Truck Points Champion
2011 ECI Diesel Truck Points Champion
2012 ECI Diesel Truck Points Champion

Big thanks to everyone who helps me.

Best 1/8th, 7.29, 98.6MPH (Street tires, fuel only, single Journal bearing GT42 charger) (2010)

Best 1/8th, 6.93, 104.24MPH (Street tires, fuel only, single HX60 turbo) (2016)

Best 1/8th, 6.60, 106.6MPH (Street tires, fuel only, single HX60 turbo) (2017)
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  #7  
Old 11-23-2017, 06:30 PM
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I did a wehrli kit a couple years ago or so and it all worked fine.. I wouldn't be scared of them at all either, and like 6 months later I wanted to change a fitting on back of pump to reroute my fuel line and they just sent me one no problems..
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  #8  
Old 11-24-2017, 11:04 AM
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I also did the Wehrli kit and it fit fine on my 2011. I have had other products(not the conversions kit) from SDP and they fit perfect as well.
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  #9  
Old 11-24-2017, 02:01 PM
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Only problem with the wehrli kit I had was the plug for the 9th injector. The plug didn't fit, it wasn't machined right and I showed them the specs after I mic'd it. They didn't have any interest in helping me so i ordered the plug from fleece and it fit great. Otherwise it was a good kit but don't expect any customer service if you run into a problem.
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11 CCSB 4x4
Full delete, EFI by Ridgerunner, 5" FloPro, Profab manifolds and up pipes, Wehrli cp3 conversion, 3" downpipe, S&B intake, AD165 4G, DHD tie rod sleeves, 2" rear drop shackles, Rancho RS9000XL
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  #10  
Old 11-24-2017, 02:04 PM
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Quote:
Originally Posted by AZlml View Post
Only problem with the wehrli kit I had was the plug for the 9th injector. The plug didn't fit, it wasn't machined right and I showed them the specs after I mic'd it. They didn't have any interest in helping me so i ordered the plug from fleece and it fit great. Otherwise it was a good kit but don't expect any customer service if you run into a problem.


This was my exact issue also. ^^^^


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__________________
2003 GMC CCSB LLY
Built by me, tuned by me.

2009 ECI Diesel Truck Points Champion
2010 ECI Diesel Truck Points Champion
2011 ECI Diesel Truck Points Champion
2012 ECI Diesel Truck Points Champion

Big thanks to everyone who helps me.

Best 1/8th, 7.29, 98.6MPH (Street tires, fuel only, single Journal bearing GT42 charger) (2010)

Best 1/8th, 6.93, 104.24MPH (Street tires, fuel only, single HX60 turbo) (2016)

Best 1/8th, 6.60, 106.6MPH (Street tires, fuel only, single HX60 turbo) (2017)
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  #11  
Old 11-24-2017, 04:06 PM
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I never tried to plug that line so I didn't run into that problem.. But just because you had a bad experience with customer service don't mean it's bad.. There is always somebody that has had a bad experience with anybody you wanna talk about lol...
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  #12  
Old 11-24-2017, 04:17 PM
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Quote:
Originally Posted by kiwilml View Post
I never tried to plug that line so I didn't run into that problem.. But just because you had a bad experience with customer service don't mean it's bad.. There is always somebody that has had a bad experience with anybody you wanna talk about lol...
What did you do with the 9th injector line if you didn't plug it? After more than 2 phone calls and them saying I wasn't doing it right EVEN after I gave them specs of their plug that was wrong they just ignored me and didn't return any more phone calls. Sorry but that's terrible customer service.
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11 CCSB 4x4
Full delete, EFI by Ridgerunner, 5" FloPro, Profab manifolds and up pipes, Wehrli cp3 conversion, 3" downpipe, S&B intake, AD165 4G, DHD tie rod sleeves, 2" rear drop shackles, Rancho RS9000XL
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  #13  
Old 11-24-2017, 04:22 PM
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I agree, they should have done something to make it right for you..

And I just left the injector plugged in and zip tied it up out of the way.. Not the cleanest looking but it worked..
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  #14  
Old 11-24-2017, 04:26 PM
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Quote:
Originally Posted by kiwilml View Post
I agree, they should have done something to make it right for you..

And I just left the injector plugged in and zip tied it up out of the way.. Not the cleanest looking but it worked..
WTF talk about doing the job half ass
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  #15  
Old 11-24-2017, 07:44 PM
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Quote:
Originally Posted by AZlml View Post
What did you do with the 9th injector line if you didn't plug it? After more than 2 phone calls and them saying I wasn't doing it right EVEN after I gave them specs of their plug that was wrong they just ignored me and didn't return any more phone calls. Sorry but that's terrible customer service.


After arguing with them on the first phone call they finally agreed to send me another plug.

New plug didn't fit. I called a second time. They said my return line must be jacked up. Or I was doing it wrong. So I ordered a new return line from GM. It didn't fit in it either.

Called them again. They said I was doing something wrong. So I ordered the Fleece plug. It fit perfectly fine. So I measured their plug, measured the Fleece plug, and measured the factory fitting. I documented everything and called again.

When I talked to them his time I started explaining how I purchased a fitting from Fleece and it fit fine. Then I started to explain to him the difference in measurements and why their plug wouldn't fit properly. He wouldn't even let me finish. He cut me off with a laugh! Yes he laughed at me and said he was pretty sure they knew how to measure stuff. By this time I could have reached through the phone and strangled this asshole!

So I said fine. What are you going to do about the fact your fitting won't fit either of my return lines, and the Fleece fitting does. He suggested I run the Fleece fitting. So as far as I'm concerned wherli can pound sand. And I figure with someone from wherli suggesting I run he Fleece fitting because it actually fits and is made correctly then I might as well just buy the Fleece kit in he beginning.

All company's can have bad days, bad answers on occasion etc. But the moron at wherli had multiple chances and he failed miserably. And consequently he ruined wherli fabrication for me forever.


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__________________
2003 GMC CCSB LLY
Built by me, tuned by me.

2009 ECI Diesel Truck Points Champion
2010 ECI Diesel Truck Points Champion
2011 ECI Diesel Truck Points Champion
2012 ECI Diesel Truck Points Champion

Big thanks to everyone who helps me.

Best 1/8th, 7.29, 98.6MPH (Street tires, fuel only, single Journal bearing GT42 charger) (2010)

Best 1/8th, 6.93, 104.24MPH (Street tires, fuel only, single HX60 turbo) (2016)

Best 1/8th, 6.60, 106.6MPH (Street tires, fuel only, single HX60 turbo) (2017)
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