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6.7 Cummins Suburban Build
I got them on amazon. https://www.amazon.com/dp/B0C69M6T84/ Battery box came from Ruff Stuff Specialties.- grampsbutler
- Post #83
- Forum: Diesel 6.2, Conversions Cummins, etc.
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6.7 Cummins Suburban Build
I just haven't had time to figure out how the grid heater should be wired up and whether it should be controlled by the ECU. The symptom was a dead battery. It wouldn't even turn the engine over, so the grid heater wouldn't have helped me in this case........as soon as I had a jump start it...- grampsbutler
- Post #81
- Forum: Diesel 6.2, Conversions Cummins, etc.
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6.7 Cummins Suburban Build
Front Axle: I put some time in to regearing the front D60. The axle came with 4.10 gears, but the truck is 3.73. I am very happy with the 3.73 ratio. I can run on the highway at 75 mph at approximately 2000 rpms and 1600 at 65mph. I have never felt like it was geared too high. I got a...- grampsbutler
- Post #80
- Forum: Diesel 6.2, Conversions Cummins, etc.
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6.7 Cummins Suburban Build
Update: I took some time off from working on the truck last month. We went on a 1000 mile trip up to the mountains for a week of winter sports fun. The truck ran very well except for 2 things. 1: Problems cold starting: We had a pretty good storm dump a foot of snow on us and pull temps...- grampsbutler
- Post #78
- Forum: Diesel 6.2, Conversions Cummins, etc.
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6.7 Cummins Suburban Build
Good observation. When I first assembled I had not put the shroud seal in, but installed it later when I got to doing final assembly. The seal is epoxied to the shroud and touches the radiator. So far I have had zero overheating issues. The electric fan thermostat is 180 degree on, which is...- grampsbutler
- Post #77
- Forum: Diesel 6.2, Conversions Cummins, etc.
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6.7 Cummins Suburban Build
Exhaust modification: After driving for a few months now, I decided I needed to add a muffler to the exhaust. I was not happy with the exhaust drone especially on the highway. It wasn't terrible, but after 8+ hours it did wear on me a little. Sooo I bought a class pack muffler that won't...- grampsbutler
- Post #70
- Forum: Diesel 6.2, Conversions Cummins, etc.
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6.7 Cummins Suburban Build
Air Conditioning: This past weekend I got around to wiring up the Air Conditioning system (Vintage Air). I had a vacuum pulled and it held vacuum. Then I charged it, and discovered a leak in the stock condenser that I was planning to reuse.... So I got a new condenser and installed. I have...- grampsbutler
- Post #69
- Forum: Diesel 6.2, Conversions Cummins, etc.
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6.7 Cummins Suburban Build
Turbo Actuator Failure: Back in January the truck started running like crap. Lost power and, would stumble and stall. Upon investigation I found a blown fuse on the ASD circuit. I replaced the fuse and it immediately blew the new fuse. The ASD circuit runs the MAF sensor, Turbo Actuator and...- grampsbutler
- Post #68
- Forum: Diesel 6.2, Conversions Cummins, etc.
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6.7 Cummins Suburban Build
Rear Brake Lock Up: I pulled my rear brakes apart and sure enough the wheel cylinder seals were bad, and was leaking brake fluid all over the pads. It seems that this also caused the wheel seal to go bad. Wheel seals were replaced at the time of the axle install......so I can only assume that...- grampsbutler
- Post #66
- Forum: Diesel 6.2, Conversions Cummins, etc.
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6.7 Cummins Suburban Build
I have lots of progress to add, but not time to do it! INSTRUMENT CLUSTER: I received the Dakota gauges ready to go in this weekend. I'll take some pictures and post once it is done. I also got my fuse panel and relay box installed after rebuilding the wiring harness. REAR AXLE: The big...- grampsbutler
- Post #62
- Forum: Diesel 6.2, Conversions Cummins, etc.
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6.7 Cummins Suburban Build
I think I figured it out.....I have a leak in the left cylinder which I suspect was causing the lock up condition. I am going to do a brake job tomorrow and will report back the results. I don't think I have the load sensing proportioning valve. I'll know for sure tomorrow after redoing the...- grampsbutler
- Post #61
- Forum: Diesel 6.2, Conversions Cummins, etc.
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6.7 Cummins Suburban Build
Rear Brake Lock up: Since getting the 1 ton rear axle, I have noticed that I am tending to lock up my rear wheels under hard braking. I did a little off pavement driving in the wet today, which at times was really problematic due to rear wheel lock up. Does anyone have a fix for this? I...- grampsbutler
- Post #59
- Forum: Diesel 6.2, Conversions Cummins, etc.
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6.7 Cummins Suburban Build
AC plumbing: I spent some time plumbing the air conditioning. I made up stainless steel hard lines and flex hose to the compressor. Making the stainless lines was way easier than I expected, with the stainless being more malleable than I had feared. I got all the connections and fittings...- grampsbutler
- Post #58
- Forum: Diesel 6.2, Conversions Cummins, etc.
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6.7 Cummins Suburban Build
Back in action: The truck is back in action. The rear diff grenade'ed the day before Christmas eve.....I had it towed to a shop in Cedar City (Matts Auto and RV), and found a great salvage yard in Paragonah UT, with a ton of squares. I bought a 14 bolt FF with the 3.73 ratio (same as my old...- grampsbutler
- Post #57
- Forum: Diesel 6.2, Conversions Cummins, etc.
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6.7 Cummins Suburban Build
Key Learning Point: When people say don't run a 10 bolt......listen! I had a catastrophic rear end failure today. It drove great for about 400 miles.....then I got an ugly pop sound in stop and go traffic, on a shift from 2nd to 3rd. I kept on going and it took me to my destination, but...- grampsbutler
- Post #56
- Forum: Diesel 6.2, Conversions Cummins, etc.
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6.7 Cummins Suburban Build
Updated Snag List (in order of priority) I have done many of the items on my last snag list, but have discovered some new ones. Here is the new list: Key-on relay install Install inner left fender Engine bay AC plumbing for Vintage Air Dual Battery install and wiring Door hinge pins Dakota...- grampsbutler
- Post #54
- Forum: Diesel 6.2, Conversions Cummins, etc.
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6.7 Cummins Suburban Build
Thanks for all the pointers on the axles. Bucket: I don't plan to tow anything very heavy.......but I do want the truck to be strong enough not to leave me stranded off road.....so I see the D60 as a good investment for the front. The rear is way easier to solve for, I could do a 14FF or an...- grampsbutler
- Post #53
- Forum: Diesel 6.2, Conversions Cummins, etc.
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6.7 Cummins Suburban Build
Hey Blackbeard44..... I am on the same page as you and others. A donor K30 seems to be the way to go. They are a little hard to come by. I've seen a lot of k10 and k20s, but not a single non-dually K30. I am not in a hurry so I'll watch the market. I'd like to get the axles done in the...- grampsbutler
- Post #50
- Forum: Diesel 6.2, Conversions Cummins, etc.
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6.7 Cummins Suburban Build
Dead Pedal not quite gone: I was driving home on Thursday evening last week, and I lost my accelerator pedal while stopped at a red light. Same symptoms as before, I shut the truck off and restart, and the problem goes away. Last time around I polished all my ground connections, and that...- grampsbutler
- Post #49
- Forum: Diesel 6.2, Conversions Cummins, etc.
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6.7 Cummins Suburban Build
Here are some more of the interior progress. I still need to do the carpet in the back.- grampsbutler
- Post #48
- Forum: Diesel 6.2, Conversions Cummins, etc.
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6.7 Cummins Suburban Build
Cool...do you know what years the Dana 60 were put into the squares? Are they a direct bolt in? Or will be be doing mods? I'll try searching the internet for this, but if anyone has first hand experience it would be cool to hear. I have a couple of update on the build since my last post. I...- grampsbutler
- Post #42
- Forum: Diesel 6.2, Conversions Cummins, etc.
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6.7 Cummins Suburban Build
Hey Big Ray.....the 10 bolt is something I have been pondering recently, and I don't know which direction to go. The 10 bolt has stood up fine so far but I don't want to stick with it long term because 1: the brakes are slightly small for running 37s, 2: I will likely break something in the...- grampsbutler
- Post #40
- Forum: Diesel 6.2, Conversions Cummins, etc.
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6.7 Cummins Suburban Build
Vintage Air, Dynamat and Carpet: Over the long weekend I was able to get the Vintage air system into the vehicle. On the whole the install was pretty straight forward, but there were a few surprises. When removing the old dash pad I broke most of the crappy plastic studs that secure the AC...- grampsbutler
- Post #36
- Forum: Diesel 6.2, Conversions Cummins, etc.
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6.7 Cummins Suburban Build
Electrical Gremlins - possibly fixed: I think I have resolved the electrical gremlins.....based on advice from another board I cleaned all of my ground connections, and put an additional connection directly from the negative battery terminal to the intake manifold. I have not put a lot of...- grampsbutler
- Post #35
- Forum: Diesel 6.2, Conversions Cummins, etc.
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6.7 Cummins Suburban Build
Electrical Gremlins: I have been having intermittent dead pedal. I am pretty sure that this is not an electrical connection issue because as soon as shut it off and restart I get my pedal back. I had to do this yesterday at 70mph on the freeway....I was able to restart before I got down to...- grampsbutler
- Post #34
- Forum: Diesel 6.2, Conversions Cummins, etc.
