Hello Everyone,
I'm Chris. I am in the army. Currently reside on Aberdeen Proving Ground, MD. I have a stock 07 Trailblazer LS, I am looking for insight on upgrading the drivetrain from part-time 4WD to full-time 4WD. I now the gear ratio makes the tires skip when turning in 4WD. If any one can give me some insight on changing it from part-time 4WD to full-time 4WD. It would be greatly appreciated.
Thanks,
Chris
New guy from APG, MD
8 posts
• Page 1 of 1
- soldier1983
- Newbie
- Posts: 3
- Joined: Fri Aug 15, 2014 12:18 pm
- Name: Christopher Partlow
- Vehicle Year: 2007
- Vehicle: Chevrolet TrailBlazer
- DriveTrain: 2WD w/ G80
When you say full-time 4WD, do you mean that you want AWD?
If you just want full-time 4WD, then just throw the switch in 4WD and be done with it - just don't drive it on pavement. That is why ALL 4WD vehicles have a mode where the center diff unlocks, because the tires will stick-slip on pavement when in 4WD mode.
The way an AWD vehicle gets around it is by having a non-locking center diff. This can be done with a conventional geared diff configuration or a viscus clutch that constantly slips.
What is at the root of this request? Why would you want this?
If you just want full-time 4WD, then just throw the switch in 4WD and be done with it - just don't drive it on pavement. That is why ALL 4WD vehicles have a mode where the center diff unlocks, because the tires will stick-slip on pavement when in 4WD mode.
The way an AWD vehicle gets around it is by having a non-locking center diff. This can be done with a conventional geared diff configuration or a viscus clutch that constantly slips.
What is at the root of this request? Why would you want this?
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Trail X - Founder
- Posts: 9925
- Joined: Mon Sep 07, 2009 10:22 pm
- Location: VA, Roanoke
- Name: James Downing
- Vehicle Year: 2005
- Vehicle: Chevrolet TrailBlazer
- DriveTrain: 4WD w/ Aftermarket Locker
- Rank: Expedition Guide
I have only really been off-road in HMMMVV in the army and with a ATV. Don't know much about going off-road in TB. Just looking for some advice on upgrades so I can. It's a learning process for me right now.
- soldier1983
- Newbie
- Posts: 3
- Joined: Fri Aug 15, 2014 12:18 pm
- Name: Christopher Partlow
- Vehicle Year: 2007
- Vehicle: Chevrolet TrailBlazer
- DriveTrain: 2WD w/ G80
Don't worry about the 4WD system then. It's fine as long as its working and serviced well. Do your required maintenance on the 4WD system including diff fluid changes, transfer case fluid changes, and regreasing of the front disconnect, and you'll be fine. The best real upgrade regarding the drivetrain is getting lower gears and putting the AWD sleeve (doesn't turn the truck into an AWD truck) in the disconnect.
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Trail X - Founder
- Posts: 9925
- Joined: Mon Sep 07, 2009 10:22 pm
- Location: VA, Roanoke
- Name: James Downing
- Vehicle Year: 2005
- Vehicle: Chevrolet TrailBlazer
- DriveTrain: 4WD w/ Aftermarket Locker
- Rank: Expedition Guide
AWD systems do not perform as well off road. I agree with.everything Trail X said. I would encourage reviewing the build threads for ideas. I planned, saved, bought, built. You can make a pretty good plan by reading build threads.
It's not how fast you go. It's how quick you get there. Lifted TBSS Build
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ErikSS - Lifer
- Posts: 2044
- Joined: Fri Apr 26, 2013 5:23 pm
- Location: IL, Flossmoor
- Name: Erik
- Vehicle Year: 2008
- Vehicle: Chevrolet TrailBlazer
- DriveTrain: 4WD w/ Limited Slip
- Rank: Offroad Rated
Alright thanks for the advice. I will check out the build threads. enjoy your weekends!!! 
- soldier1983
- Newbie
- Posts: 3
- Joined: Fri Aug 15, 2014 12:18 pm
- Name: Christopher Partlow
- Vehicle Year: 2007
- Vehicle: Chevrolet TrailBlazer
- DriveTrain: 2WD w/ G80
Welcome!!
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The Roadie wrote:Research, plan your mods, fund the plan, then GO DO THEM. THEN WHEEL IT.
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Cable810 - Veteran
- Posts: 1989
- Joined: Thu Feb 09, 2012 6:43 pm
- Location: MI, Rogers City
- Name: Caleb
- Vehicle Year: 2002
- Vehicle: Chevrolet TrailBlazer
- DriveTrain: 4WD w/ Aftermarket Locker
- Rank: Offroad Rated
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SmokeyMcBlazer - Off-Roader
- Posts: 200
- Joined: Wed May 01, 2013 10:47 am
- Location: Toronto, ON. Canada
- Name: Rob
- Vehicle Year: 2002
- Vehicle: Chevrolet TrailBlazer
- DriveTrain: 4WD w/ G80
8 posts
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