Using a kicker shock - Hemi Truck Club
 
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Old 01-09-2017, 09:55 AM   #1
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Using a kicker shock

While fiddling under my truck I noticed that the SRT10 differential cover has a provision for a bracket to mount a kicker shock ( a very stiff damper used to control axle wrap/ wheel hop)
I started looking around and the cheapest I could find these fu(kers for was $325
Anyways, I was thinking of maybe making a bar with spherical rod ends on both sides and using that instead, but wanted to know if you guys think that would bind the suspension?? It is my understanding that the rear likes to slide back a little (on a perpendicular plane) under compression, am I wrong on that?
Anyways, attached are a few pics to show you what I am talking about
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File Type: jpg kicker shock-2.jpg (26.8 KB, 2 views)
File Type: jpg kicker shock.jpg (26.5 KB, 37 views)

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Old 01-09-2017, 10:37 AM   #2
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a solid rod would bind things up I'd think. That thing would need to get shorter as the suspension compresses, no ?
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Old 01-09-2017, 11:24 AM   #3
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Quote:
Originally Posted by Hugh Jassole View Post
a solid rod would bind things up I'd think. That thing would need to get shorter as the suspension compresses, no ?


Yes, that's also the same reason you should use Axle housing floaters with Ladder bars and leaf springs.


https://swracecars.com/store/REAR-AX...20=40-230.aspx


"It is my understanding that the rear likes to slide back a little (on a perpendicular plane) under compression, am I wrong on that?"

no your not wrong, but here's an old Ma Mopar system that contradicts it.
1964 D-100 High Performance Package scroll down the page, you'll see a photo of the "torque rod" used on the HHP trucks and some Big C-bodies.

Anti wrap is different then a Kicker systems.
Antiwrap / Traction Bars - RuffStuff Specialties

Also check out some of the 2014-2017 Rams 2500/3500 rear some of them have a bar attached to the top of the rear.
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Old 01-09-2017, 11:30 AM   #4
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Quote:
Originally Posted by Hugh Jassole View Post
a solid rod would bind things up I'd think. That thing would need to get shorter as the suspension compresses, no ?
I honestly do not know, LOL!!!!. I have very little experience with leaf spring style suspensions. As a matter of fact, this is the very first leaf spring suspension vehicle that I have tried to modified for performance purposes
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Old 01-09-2017, 11:38 AM   #5
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the thing I do not understand about using a damper/shock, when the suspension compresses and the axle pinion wants to point up wouldn't the shock, trying to extend, make the problem worse? wouldn't the shock push the pinion further up?
Apparently no, as I have also found out that some of the newer 2500 trucks come with this setup as well, but I just don't understand how it works
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Old 01-09-2017, 11:43 AM   #6
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When the Vehicle moves forward , the pinion gear wants to climb up the ring gear , so yes the top of the rear wants to pull away from the chassis anchor of the SRT 10 system .
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Old 01-09-2017, 12:17 PM   #7
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Originally Posted by ric3xrt View Post
When the Vehicle moves forward , the pinion gear wants to climb up the ring gear , so yes the top of the rear wants to pull away from the chassis anchor of the SRT 10 system .
In theory it works because the shock is resisting the reward motion, where expansion of the shock has a greater resistance then compression.
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Old 01-09-2017, 12:39 PM   #8
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Max, I would use a large piece of cardboard and layout the pivot points of the suspension and then draw arches from those pivot points to see if there is binding. My personal opinion is anything that pushes the pinion angle out of line is not good.
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Old 01-09-2017, 12:51 PM   #9
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I see. So the trick is the way these shocks behave. Now it makes sense.
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Old 01-09-2017, 12:53 PM   #10
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Originally Posted by Redtruck-VA View Post
Max, I would use a large piece of cardboard and layout the pivot points of the suspension and then draw arches from those pivot points to see if there is binding. My personal opinion is anything that pushes the pinion angle out of line is not good.
I was going to check suspension travel and clearance this past weekend, but it snowed so plans got cancelled
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