2000 K3500 Gone Mechanical Build

[DieselMike1]

60mm 6 blade compressor wheel and 14 cm(.80ish a/r). John made the turbo master.

No pictures of the valley off hand, I can get some. Is not a GEP and wasn't supposed to be Chinese Knockoff. Was supposed to be cast somewhere in the America's. Been probably 8 years since the block was bought so the exact details aren't fresh in my mind. But we compared it to a factory 6.5 block and the mains were larger and if I remember right it weighed quite a bit more than the factory block (thinking maybe 20-30 lbs, maybe more, heavier?) Again, it was a long time ago so this is all based off of my memory of when we got it and compared it to the original block that came out of the truck we put the aftermarket block in.

And I'll take the crazy comment at a compliment


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There is a seller on ebay, states the block is cast in Brazil, South America. Supposed to be made the same as gep block, just wondering if this is the one your talking about.

 

[ak diesel driver]

actually that's the same seller who used to state cast in canada

 

[3500_6.5]

Not the same seller, on his listing I think it says they've been selling them for only a couple years. But it very well could be the same block, just a different person/company selling them now. His price is roughly the same price as mine was if I remember right.


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[3500_6.5]

actually that's the same seller who used to state cast in canada

I thought there use to be someone selling one claiming that they were manufactured in Canada. Makes you wonder what they're really selling....


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[ak diesel driver]

these guys? http://www.ebay.com/itm/6-5-L-6-5L-...Parts_Accessories&hash=item2580ab9bcb&vxp=mtr

this is the same company who used to advertised cast in canada

 

[3500_6.5]

these guys? http://www.ebay.com/itm/6-5-L-6-5L-...Parts_Accessories&hash=item2580ab9bcb&vxp=mtr

this is the same company who used to advertised cast in canada

Looks to be the company I was referring to. Didn't see on his ad anywhere saying how long they've been selling the block though. I was thinking the last time I looked at it there was a place on there saying they haven't had any cracked blocks in the "x" number of years they've been selling them. Either way, not sure how much I trust any of the aftermarket blocks anymore.


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[3500_6.5]

Hx35/40 with the intercooler, low 80s outside temp with rain (obviously). Top gauge is egts, middle is boost, bottom is tranny. Blue gauge on the dash is intake air temp. Stayed in the 80s regardless of boost for the entire drive.

After stopping and the truck sat for a while and heat from the engine was absorbed by the intake temps read around 150 when I first started the truck back up. Once driving again, temps dropped to around 100 degrees and stayed there. Sustained 17-18 psi at one point and temp barely climbed to 110. This turbo and my ATT never saw below 100 degrees, even running no boost, without the intercooler. This run was also running the "hot air intake" I tested before when I was having egt issues with the ATT that can be found earlier in this thread.

Moral if this story is that ALL turbos being run on the 6.5, including the ATT, regardless of what is said, will without a doubt benefit from running some form of air charge cooling. Couldn't be happier with the results of everything I've done so far.


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[DieselMike1]

I would like to hear how you get along with your setup when you do some towing.

 

[Cummins Driver]

Im new here, but just wanted to say I have enjoyed reading your thread. I really like seeing people use their trucks for work and hauling. I have to agree with running 3rd gear towing. These engines really like some RPM in my opinion, much different than my 94 cummins, but I enjoy driving both.

 

[3500_6.5]

I would like to hear how you get along with your setup when you do some towing.

Hauled around 8500 lbs with it a few weeks ago. Pulled it at 55 in overdrive. No egt issues, engine stayed under 200 degrees and boost ran between 0-8 psi depending on throttle/grade of road. Ran perfect, very pleased with the set up. I didn't have the intake temp sensor hooked up yet so I don't know what intake temps were but egts never climbed above 900 so I would say they were staying well below what they use to run.


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[turbovanman]

Awesome. That's my next install, an Intercooler.

 

[pronghorntractorworks]

You are going to have to start a thread on that turbovan. I really want to see that

 

[turbovanman]

You are going to have to start a thread on that turbovan. I really want to see that

Will do.

 

[3500_6.5]

Figured I would do some updating in the build finally.

Maintenance wise, I have replaced the oil cooler lines and cooler with Leroy's cooler and lines. Also replaced the front to rear brake line that decided to start leaking while I was doing other work.

I decided to do what everyone on these forums seems to hate but me, and put a body lift on. I pulled the bed and cleaned up the frame and painted it all before putting the lift on. Then I redid the fuel system

Started with a new sending unit because I found a couple rust pinholes in the feed line. The original plan was to just pull the sock filter on the original sending unit. Instead I installed new and pulled the filter off that one.



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[3500_6.5]

Next I ran new 3/8" aluminum fuel line to my new pre filter and walbro lift pump from Leroy. I made the mount for it and used 3/8" aluminum line to connect the two.

Then I ran the aluminum fuel line from there up to the engine bay.

Next I did away with the factory ffm and replaced with my own "fuel manager." Filter and base again came from Leroy. The filter is good to 3 microns. I used the factory water drain for an air bleeder for the new system. Installed my fuel pressure gauge post fuel filter and then ran 3/8" rubber hose down to a steel line feeding the injection pump. I just need to install a couple more rubber brackets for the fuel line and am going to put a gasket on the filter base bc I can now hear the fuel pump clicking through the dash. Other than that I am satisfied with how it turned out.


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[3500_6.5]

Pulled just a hair over 11,000 lbs with it after the new fuel system was complete. Ran perfect, no drips, leaks or issues and pulled it like a dream. I am fairly confident that this thing can out pull my dads 05 Duramax with a 60 hp "tow tune". Very pleased with how the truck has turned out so far.


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[3500_6.5]

Forgot to mention that I also installed Leroy's heavy duty lift pump wiring harness and relay.

And finally mounted my trans controller.....

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[3500_6.5]

And I finally got the engine that I hope to build from the ground up to handle the added power for another 200,000+ miles pulled from my parts truck. The build of that engine will be the next step for the truck. Engine came out of a wrecked 2000 so hopefully it is a solid engine to build on.

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[3500_6.5]

Random pictures of the truck over the past several months.

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[bowtiebutler956]

Now thats what I call an update! I'm glad you got it back on the road, and that its running well. Thats one fine looking truck! Does the trans controller work well?

Matt