2004 Suburban 2500 family hauler asser - Pirate4x4.Com : 4x4 and Off-Road Forum
 
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Old 03-23-2020, 03:14 PM   #1 (permalink)
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2004 Suburban 2500 family hauler asser

Hey folks! Love this page so I'm going to go over the details of a build I want to do, to see what you think. I've posted around other pages gathering info and answers to little questions, but again this is my preferred page.

2004 Suburban 2500, 8.1L, 4wd. I have 5 kids and this is my way of getting everyone out wheeling and having fun. I mostly like hauling ass appropriately with what I've got.

Build wants/ideas:
-New front upper A-arms from kryptonite or camburg for example (these seem to add about 2" of travel)
-Considering upgrading CV shafts
-Hoping for something like 8" travel up front and 10-12 rear?
-Deaver J1 mini pack added to rear leaf packs. Confirmed although rear leafs are shorter than pickup, the J1 mini pack (made for 64" pickup leaf packs) will fit my suburban leafs
-Torsion bar crank and J1 mini pack will give me 2" lift front and rear
-Would like 2.5 fox's or kings tuned by Accutune front and rear.
-35" tires, will cut fenders as needed
-Sumo spring bump stops front and rear
-Upgrade steering as needed (tie rods, hear they're weak, plenty aftermarket options)
-Re-gear (haven't done the math on what ratio I want yet)

Correct me if I am wrong. I think with the right shocks, and 35's aired down I should be able to coerce a decent ride out of this rig.

I have a long term project 1987 J20 that only seats 2 and I'd like to include everyone.
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Old 03-23-2020, 05:59 PM   #2 (permalink)
DMG
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our 100 series is put together for a similar purpose. I wish it had the power of the 8.1.
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Old 03-24-2020, 06:23 AM   #3 (permalink)
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In for pics and updates. Have a similar plan for mine.
Thanks.
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Old 03-25-2020, 11:08 AM   #4 (permalink)
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Quote:
Originally Posted by DMG View Post
our 100 series is put together for a similar purpose. I wish it had the power of the 8.1.
I don't dislike the 8.1L, but this was originally bought for the wife and kids with the possibility of towing my J20. If I had to start over I'd buy the 6.0L because the sky is the limit with anything LS based. The 8.1L is a weird bastard engine
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Old 03-25-2020, 11:09 AM   #5 (permalink)
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Quote:
Originally Posted by backchat View Post
In for pics and updates. Have a similar plan for mine.
Thanks.
How similar? I'm about 6 months out from starting this. I was wanting to bounce my ideas off the people on this site and see what everyone thinks. To further help me in the planning stage
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Old 03-25-2020, 12:13 PM   #6 (permalink)
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You are plenty ahead of me, so I'm not sure I would be too much help. I would be glad to contribute what I can.

I DD mine, so it will take some time before I can start in. I have really only done some simple mods to date. Shocks, Trans cooler, new oil and trans lines, simple stuff.

It is a 2002 Chevy 8.1 4L85E

There was another good thread in the tow rig section for 8.1L burbs...

https://www.pirate4x4.com/forum/tow-...500-8-1-a.html

Last edited by backchat; 03-25-2020 at 12:23 PM. Reason: found the thread
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Old 03-25-2020, 01:23 PM   #7 (permalink)
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thanks!
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Old 03-26-2020, 03:33 PM   #8 (permalink)
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I'm looking into upgraded torsion bars from Sway-A-Way. I have confirmed with them that PN 1763 will fit my Suburban and are 15% stiffer.

I generally only like enough spring rate to support the vehicle at ride height, and use the shocks to do the rest of the work on both compression and rebound. But they are probably higher quality torsion bars, and won't sag especially after cranking them for my front 2" lift.
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