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Old 11-09-2010, 09:57 AM   #1 (permalink)
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4bt cummins Suburban

I'm mid stream in my build and thought it would be nice to give back to this forum by posting my project with pictures and how I did certain things so others can pull from the info on thier build, since thats what I did.

Body and frame is a 1989 suburban registered as a diesel.
Ive pulled the suspension, axles, motor, trans and transfercase to make room for 1-ton axles, 64 inch rear leafs, 56 inch front leafs, cummins 4bt motor, a518 trans with a 205 transfercase. My goal is a daily driver getting 26-30 mpg capable of completing trails such as the rubicon.

So far I have built the rear 3.73 14 bolt FF axle and added rear disc brakes. I installed 64 rear leafs off a 2004 duramax 2500 by using a ORD shackle flip and moving the stock front hangers forward.

Up front I installed my dana60 with 3.73 gears. But getting ready to pull it out again to install 56 inch rear springs up front. Hopefully this will be a good decision.
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Old 11-09-2010, 09:58 AM   #2 (permalink)
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The motor is a 1989 cummins 4bt out of a frito lay delivery truck. It was supposedly a runner but I didnt want to chance it so I tore it completely down. From Tennesee diesel I got all new bearings and gaskets. To top it off I got 75 horse injectors and an he341 turbo, 3800 rpm gov spring, modified fuel pin and other goodies. This will net me 250hp and 500 ftlbs trq.

The trans and transfer case are from a 1993 dodge cummins. An A518 trans completely rebuilt, and Im in the process of freshening up the 205.

I also pulled a 40 gal diesel fuel tank and skid plate from an 84 burb and installed them in mine

This is what I started with...

Last edited by AngryJosh; 11-10-2010 at 01:53 PM.
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Old 11-09-2010, 10:14 AM   #3 (permalink)
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Weres the pics............ Ur old 10 bolt is in my garage for my buds truck. I wana see this thing roll!
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Old 11-09-2010, 12:23 PM   #4 (permalink)
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I would also like to see pics. I have an old 1961 GMC Suburban that I would like to put a 4BT in. (The 305V6 fails at both power and MPG...)
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Old 11-09-2010, 02:00 PM   #5 (permalink)
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Pics at 9pm tonight when i get home
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Old 11-09-2010, 02:22 PM   #6 (permalink)
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Old 11-09-2010, 02:29 PM   #7 (permalink)
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Please do a good thread cause it sounds like it has potential to be awesome!
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Old 11-09-2010, 07:06 PM   #8 (permalink)
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Old 11-09-2010, 11:21 PM   #9 (permalink)
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how did you get your hands on the frito lay truck?
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Old 11-10-2010, 12:10 AM   #10 (permalink)
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Old 11-10-2010, 05:13 AM   #11 (permalink)
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Trying it again huh?

First go around was the 12V CUmmins.....


Best of luck !

john
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Old 11-10-2010, 10:13 AM   #12 (permalink)
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Quote:
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Trying it again huh?

First go around was the 12V CUmmins.....


Best of luck !

john
I think after he spends some time with a paint shaker under the hood he's gonna wish he had the 12V... especially in a 'burb.
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Old 11-10-2010, 01:20 PM   #13 (permalink)
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Sorry guys got really tied up last night...will try to post pics soon

Paint shaker...lol If its too bad I can easily switch to a 6bt
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Old 11-10-2010, 09:04 PM   #14 (permalink)
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Sorry guys got really tied up last night...will try to post pics soon

Paint shaker...lol If its too bad I can easily switch to a 6bt
Everyone told be "Put a 4bt inyour Blazer.". I put a 6bt in instead and never looked back. Well, and the fact I scored my engine for $1k didn't hurt either
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Old 11-12-2010, 11:32 AM   #15 (permalink)
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This is the exact build I want to do. Maybe not with the power and TQ you are gonna have but an older Sub with a 4bt. Will be watching this.
Gotta sell the jeep now! Inspiration
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Old 11-24-2010, 03:24 PM   #16 (permalink)
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anymore on this?
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Old 01-14-2011, 11:46 AM   #17 (permalink)
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Any Updates? Been looking for an old diesel suburban to start mine.
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Old 01-14-2011, 11:48 AM   #18 (permalink)
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This build is right up my alley... I need to see more, pleae.

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Old 01-19-2011, 12:20 PM   #19 (permalink)
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Same here really wanting to do this samething to my 90 3/4 2wd burban.. Dont be hatin on my 2wheeler!
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Old 09-13-2011, 04:11 PM   #20 (permalink)
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Post pics............
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