2/4" drop questions?
#1
2/4" drop questions?
I have a 2005 GMC Sierra 1500 RCSB 2WD. Right now it has DJM 2" rear drop shackles to level it out. I'm running 20" wheels wrapped in 275/55R20 rubber. I'd like to drop it 2 more inches all around. I'm on a tight budget and I'd like to maintain ride quality and maybe enhance handling. Below is a list of components I plan on installing. I just want to run them by you guys and see if I'm on track. Will I need a pinion shim kit? If so will I need 1,2,3,4, or 6 degree shims?
McG's 2" front drop spindles for 1500 2wd 16"+ wheels
McG's Shorter Rear Bump Stops
DJM 2" rear drop hangers
Belltech Sport Truck Street Performance Shocks all around
All for around $695+shipping
$720+shipping with pinion shims
Sound good?
McG's 2" front drop spindles for 1500 2wd 16"+ wheels
McG's Shorter Rear Bump Stops
DJM 2" rear drop hangers
Belltech Sport Truck Street Performance Shocks all around
All for around $695+shipping
$720+shipping with pinion shims
Sound good?
Last edited by 0235SS93; 01-04-2010 at 07:05 PM.
#4
PT's Slowest Truck
iTrader: (19)
Sounds like a plan...just curious why you listed DJM hangers, and not Belltech or McG? Seems like I've read mostly negative about DJM lately.
As far as the shims go, you could measure your pinion angle or go with trial and error. When I lowered the rear of my 4x4 by removing the lift blocks and installing Belltech 2" drop shackles, I actually cured a vibration that I had around 65mph So needless to say, I didn't use any shims. If you did require shims, I'm going to guess that 2* would do the trick...but that's just a guess.
As far as the shims go, you could measure your pinion angle or go with trial and error. When I lowered the rear of my 4x4 by removing the lift blocks and installing Belltech 2" drop shackles, I actually cured a vibration that I had around 65mph So needless to say, I didn't use any shims. If you did require shims, I'm going to guess that 2* would do the trick...but that's just a guess.
#7
A notch with a 2/4 drop? Really? Huh, didn't think that would be part of a 2/4...I went with DJM because they were cheaper. But belltech or McG's could be sprung for I guess. I don't have a lot of roads that are rough enough to need a notch really. there is a road to my friends house in town that's rediculous, but I can avoid it.
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#8
Sounds like a plan...just curious why you listed DJM hangers, and not Belltech or McG? Seems like I've read mostly negative about DJM lately.
As far as the shims go, you could measure your pinion angle or go with trial and error. When I lowered the rear of my 4x4 by removing the lift blocks and installing Belltech 2" drop shackles, I actually cured a vibration that I had around 65mph So needless to say, I didn't use any shims. If you did require shims, I'm going to guess that 2* would do the trick...but that's just a guess.
As far as the shims go, you could measure your pinion angle or go with trial and error. When I lowered the rear of my 4x4 by removing the lift blocks and installing Belltech 2" drop shackles, I actually cured a vibration that I had around 65mph So needless to say, I didn't use any shims. If you did require shims, I'm going to guess that 2* would do the trick...but that's just a guess.
#9
TECH Veteran
iTrader: (5)
pmed you... I'm selling DMJ hangers and shackles for $120 shipped (setup will give anywhere from 2"-5" drop depending on how you set them up). I never had a single issue with them and am only selling them since I went to a 4link/bags.
You don't NEED a notch for 4" but it's a good idea. I found I was really close to sitting on the bump stop when I had mine set at 4".
You don't NEED a notch for 4" but it's a good idea. I found I was really close to sitting on the bump stop when I had mine set at 4".
#10
PT's Slowest Truck
iTrader: (19)
On different applications (such as drag racing), I've heard of guys adjusting their pinion angles to compensate for the torque that moves the rear end, but...I *think* that the pinion angle should be around -2 or -3* for most applications, but I'm not 100% sure. Hopefully someone who definitely knows can chime in. I do know that you want your pinion angle to be at 0 when the vehicle is under power