Leaf Springs - Page 2 - Chevy Colorado & GMC Canyon
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post #21 of 55 (permalink) Old 03-20-2019, 06:31 PM
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If youíre paying under 800 for a progressive leaf pack the steel is coming from China.

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post #22 of 55 (permalink) Old 03-21-2019, 05:31 PM
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It looks to me that the rear leafs de-arcing slightly has been a problem for years now: https://www.coloradofans.com/forums/...g-problem.html

I haven't seen any aftermarket options available for purchase. I know @Fifty has been working with a shop local to him (Forged Offroad) to install a custom set of spring under Deaver springs, but I'm not sure if that's something they're going to bring to market eventually or if it's going to be limited to custom orders. There's also the new GM Performance Parts Long-travel leaf springs but I'm not sure if they're a direct swap for non ZR2, aside from needing longer shocks. Plus, at $3400 a set, they're twice as expensive as getting a custom set made.

Last edited by DarkScorpion; 03-21-2019 at 05:34 PM.
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post #23 of 55 (permalink) Old 03-21-2019, 06:59 PM
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Originally Posted by stealth13777 View Post
Thatís not even far from here. Hopefully theyíll be more Ďfactoryí in pricing.. only one way to find out. Thank you!!

**edit: called Heitman. No go, they could just add a leaf or order the part. Iím calling around trying to find a local shop but I may have to go to a bigger city to go that route.

Also some pics. Itís easier to see in person, super obvious
Adding a leaf would stop the flattening condition. They can re-arch the factory springs at the same time. Doing these two should not be very expensive. The spring companies in your area are geared more to 18 wheeler business. This one in Houston does all.

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post #24 of 55 (permalink) Old 03-23-2019, 12:53 AM
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Quote:
Originally Posted by DarkScorpion View Post
It looks to me that the rear leafs de-arcing slightly has been a problem for years now: https://www.coloradofans.com/forums/...g-problem.html

I haven't seen any aftermarket options available for purchase. I know @Fifty has been working with a shop local to him (Forged Offroad) to install a custom set of spring under Deaver springs, but I'm not sure if that's something they're going to bring to market eventually or if it's going to be limited to custom orders. There's also the new GM Performance Parts Long-travel leaf springs but I'm not sure if they're a direct swap for non ZR2, aside from needing longer shocks. Plus, at $3400 a set, they're twice as expensive as getting a custom set made.
I just noticed this on Filthy Motorsports' site.

https://www.filthymotorsports.com/Ki...-25001-337.htm

When ordering the King 2.5 coilovers they have a long list of options you can add to your order including Deaver leaf springs custom for your application. I mean progressive packs like that are always custom but it appears they are technically in the market for our trucks.

2018 Canyon SLE CCSB 3.6L - King 2.5 coilovers | Icon 2.0 rear shocks | 1" AutoSprings AAL | 1" rear lift blocks | RC 1.25" body lift | DV8 887 17◊9 wheels | Falken Wildpeak A/T3W LT285/70/17 | Custom bed rack |Tepui Baja Kukenam RTT | DV8 rear bumper | DV8 front bumper | Smittybilt X20 10k winch | Morimoto HID | Tyger step bars | LED bed lighting | Midland MXT115 GMRS | Nilight 60w LED 4" pods | RotopaX, Maxsa traction mats and Recovery Gear | DV8 + ZR2 skids |
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post #25 of 55 (permalink) Old 03-24-2019, 01:36 AM
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So deaver has a progressive add on mini pack. No idea how well that works
.
They have a full replacement stock location pack for under $900.

I am running a full spring under and oh boy. So smooth.

A bit stiffer because I ordered a race pack and for 350# of gear. Match that with the 104# wheel/tire weight and the stock shocks are far from capable. Heck the stock shocks canít handle the 35ís.

But the springs are smooooth. Not for those who want a super silent spring. 10 leafs rubbing when flexing. I only hear it at creeping speed.

But worth every penny. Call Forged offroad and ask them for the parts kit.

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Mods:
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-shock skids,
-BD squadron racer ditch lights, LP9's
-Forged Offroad bed dual spare tire, gear rack, rear bumper
bump kit with 2/2.5 Air Bumps,
-4.56 gears
-Evil Mfg rear brake light w/ squadron pro amber dust lights, UCA
701ís 35' RTís Fiberglass, LP9ís
-evil mfg Steering links
Deaver Spring under



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post #26 of 55 (permalink) Old 03-24-2019, 01:38 AM
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Here is a pic of the spring. The truck sits 1/2 inch higher out back than front.
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18 ZR2 CCSB. Bose & Nav.
Deepwood metallic

Mods:
-TB, afe Rebel exhaust, HPtuner
-Skid plates
-shock skids,
-BD squadron racer ditch lights, LP9's
-Forged Offroad bed dual spare tire, gear rack, rear bumper
bump kit with 2/2.5 Air Bumps,
-4.56 gears
-Evil Mfg rear brake light w/ squadron pro amber dust lights, UCA
701ís 35' RTís Fiberglass, LP9ís
-evil mfg Steering links
Deaver Spring under



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post #27 of 55 (permalink) Old 03-24-2019, 09:01 AM
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When that YouTube video surfaced of that dude getting big air and his Z bouncing like a pogo stick on landing, pretty much was a strong indicator the shocks wouldnít respond well to more weight.
The suspension was not over engineered in my opinion. Itís not a raptor. Wheeling hard with that 350 worth of gear likely would expose many short comings. And like you said, the shocks venerability.

18 ZR2. Nav and so called premium sound only factory options.
Mallet supercharged. FlowmasterFX cat back exhaust. Iíd rather be a hammer, thEn a nail.
Delivered 6/11/18.
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post #28 of 55 (permalink) Old 03-24-2019, 10:14 AM
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Quote:
Originally Posted by 1STSFG View Post
When that YouTube video surfaced of that dude getting big air and his Z bouncing like a pogo stick on landing, pretty much was a strong indicator the shocks wouldnít respond well to more weight.
The suspension was not over engineered in my opinion. Itís not a raptor. Wheeling hard with that 350 worth of gear likely would expose many short comings. And like you said, the shocks venerability.
The lack of shock tuning options on the ZR2 makes the case stronger for buying a regular Colorado/Canyon as a base for a serious off-road/overlanding rig IMO. An aftermarket front locker or OEM retrofit will be an option before long. IMO anyway.
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post #29 of 55 (permalink) Old 03-24-2019, 06:00 PM
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As Iíve posted before, I think the ZR2 off the showroom floor itís a very capable truck. Even my OE raptor wasnít a trophy truck. Even a million dollar trophy truck can easily be broken if driven by an idiot. My zr2 is was, more capable than my OE rap. After upgrading the front coil overs, leaf packs and some rear frame bracing it became how it shouldíve been from the factory.
If you want to build an animal, buying a WT is obviously the most cost effective way. Better yet, buying a low mileage used unit.
Iím not wheeling like I used to. Aerial pursuit days are gone. Iím quite happy with this suspension. Narrow hole filled rutty class four roads are what I primarily drive on. I will be upgrading the leaf springs when these sack out. Right now they keep the ass planted firmly even on the worst ruts. Something the OE raptor did not do.
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post #30 of 55 (permalink) Old 03-25-2019, 10:40 PM
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The problem with the stock zr2 rear leaf is the horrific way they did both stages

The first three leafs are so light individually, there is no build up. Totalling about 175#... Then the overload is 575# ish...

You go from a soft spring for comfort on road to a huge rated leaf. The compression doesnít have any spring rate to slow it down on compression and next thing you are bending a big spring, then upon release itís full 575 until itís off that spring. It doesnít have a progressive lighter rate.
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18 ZR2 CCSB. Bose & Nav.
Deepwood metallic

Mods:
-TB, afe Rebel exhaust, HPtuner
-Skid plates
-shock skids,
-BD squadron racer ditch lights, LP9's
-Forged Offroad bed dual spare tire, gear rack, rear bumper
bump kit with 2/2.5 Air Bumps,
-4.56 gears
-Evil Mfg rear brake light w/ squadron pro amber dust lights, UCA
701ís 35' RTís Fiberglass, LP9ís
-evil mfg Steering links
Deaver Spring under



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post #31 of 55 (permalink) Old 03-26-2019, 04:26 AM
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I did the road master active suspension to my leaf springs.
It keeps them tourqed and ready for action.

https://activesuspension.com
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post #32 of 55 (permalink) Old 03-26-2019, 07:53 AM
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Originally Posted by Fifty View Post
The problem with the stock zr2 rear leaf is the horrific way they did both stages

The first three leafs are so light individually, there is no build up. Totalling about 175#... Then the overload is 575# ish...

You go from a soft spring for comfort on road to a huge rated leaf. The compression doesnít have any spring rate to slow it down on compression and next thing you are bending a big spring, then upon release itís full 575 until itís off that spring. It doesnít have a progressive lighter rate.
It seems, at least with the F150 raptor and Chevy zr2 that they both decided to do a low budget leaf pack. The steel is obviously very low quality. While I agree with what you say about the two stage progression, if you arenít carrying any payload and keeping the off-road beat down to minimal aerial activity, they work far better than the OE raptors. My raptor sacked after two weeks of 40-50 mph rutted wash board roads. And the wash board four wheel slide left a pucker factor of eleven over two months in the Z. No pucker factor period. There are signs of them losing the battle though. Iíd say all mall crawlers and a payload of a 65 yeti full of your favorite beverage and ice have little to worry about.
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post #33 of 55 (permalink) Old 03-26-2019, 12:18 PM
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whats the part number for the deaver kit. Just found out my firestone bags are on order for another month and Im just tired of waiting and despising this trucks lean....These leafs are JUNK
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post #34 of 55 (permalink) Old 03-27-2019, 02:30 AM
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Quote:
Originally Posted by 1STSFG View Post
It seems, at least with the F150 raptor and Chevy zr2 that they both decided to do a low budget leaf pack. The steel is obviously very low quality. While I agree with what you say about the two stage progression, if you arenít carrying any payload and keeping the off-road beat down to minimal aerial activity, they work far better than the OE raptors. My raptor sacked after two weeks of 40-50 mph rutted wash board roads. And the wash board four wheel slide left a pucker factor of eleven over two months in the Z. No pucker factor period. There are signs of them losing the battle though. Iíd say all mall crawlers and a payload of a 65 yeti full of your favorite beverage and ice have little to worry about.
Another bad thing on this stock leaf is the size of the gaps for noise reduction and the height of the stock block. It allows the leaf to flex off the centering pin when driven hard ish.

The rear leaf is probably the #1 fault outside of the shocks when it comes to any off-roading above a cruise down a fire road with nothing more than wash board. (Iím underwhelmed by the dssv)

18 ZR2 CCSB. Bose & Nav.
Deepwood metallic

Mods:
-TB, afe Rebel exhaust, HPtuner
-Skid plates
-shock skids,
-BD squadron racer ditch lights, LP9's
-Forged Offroad bed dual spare tire, gear rack, rear bumper
bump kit with 2/2.5 Air Bumps,
-4.56 gears
-Evil Mfg rear brake light w/ squadron pro amber dust lights, UCA
701ís 35' RTís Fiberglass, LP9ís
-evil mfg Steering links
Deaver Spring under



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post #35 of 55 (permalink) Old 03-28-2019, 11:26 AM
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I added a cap (175#) and a CG1000XL (225#) and it leveled it out. Still want to pull 3500# camper with tw of 350+#. I added the Hellwig helper springs today & it brought it back to stock height. Have not hooked up camper yet.
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post #36 of 55 (permalink) Old 03-28-2019, 08:54 PM
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Evil manufacturing says they are doing a spring under kit as well.
Just fyi
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18 ZR2 CCSB. Bose & Nav.
Deepwood metallic

Mods:
-TB, afe Rebel exhaust, HPtuner
-Skid plates
-shock skids,
-BD squadron racer ditch lights, LP9's
-Forged Offroad bed dual spare tire, gear rack, rear bumper
bump kit with 2/2.5 Air Bumps,
-4.56 gears
-Evil Mfg rear brake light w/ squadron pro amber dust lights, UCA
701ís 35' RTís Fiberglass, LP9ís
-evil mfg Steering links
Deaver Spring under



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post #37 of 55 (permalink) Old 03-28-2019, 09:02 PM
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Fifty sick truck but your sig is getting too long from all the mods!
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post #38 of 55 (permalink) Old 03-29-2019, 11:26 AM
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I just got a quote from Deaver for a new progressive leaf pack (stock height) for $850.


Is it worth the upgrade?
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post #39 of 55 (permalink) Old 03-29-2019, 11:32 AM
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Iíd say you will kick yourself for not doing it sooner.
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18 ZR2 CCSB. Bose & Nav.
Deepwood metallic

Mods:
-TB, afe Rebel exhaust, HPtuner
-Skid plates
-shock skids,
-BD squadron racer ditch lights, LP9's
-Forged Offroad bed dual spare tire, gear rack, rear bumper
bump kit with 2/2.5 Air Bumps,
-4.56 gears
-Evil Mfg rear brake light w/ squadron pro amber dust lights, UCA
701ís 35' RTís Fiberglass, LP9ís
-evil mfg Steering links
Deaver Spring under



https://www.instagram.com/redbeardfifty/
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post #40 of 55 (permalink) Old 03-29-2019, 01:31 PM
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I just got a quote from Deaver for a new progressive leaf pack (stock height) for $850.


Is it worth the upgrade?
Do it! Did they give you any specifics regarding the pack? I've pretty much settled on getting a set of Deavers myself now that I've done more snooping around after reading @Fifty and @F8LZ71 's posts. It seems like there were a lot more people running Deaver springs on their ZR2 than I originally thought.
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