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Old 05-12-2016, 09:19 AM   #92
robnolimit
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Join Date: Jul 2010
Location: Dandridge, Tn. USA
Posts: 2,226
Re: No Limit Trailing Arm Rear Suspension

Way back in the late '90's, we made a coil over mount set up for these trucks that mounted the shock behind the axle. - Just like what everyone else is doing now. It's all about leverage, so the farther back you are from the trailing arm pivot, the less the shock is leveraged. A shock/spring behind the axle is great for hauling rocks, but looses it's ability to help the tire stay stuck to the road when the truck is empty (no rocks). While our coil-over may seam 'out of place' compared to others, think about the location of the factory coil spring, not too far from our new mounting points. As to shock valving/action, it's just a question of matching the valving to the ratios and weights. Just like the difference of front shocks and rear shocks, 50% leveraged compared to 1-1 ratio. Also, many suspension designs incorporate the shock angle as it relates to the suspension travel angle, which is usually no straight up and down, as the suspension travels in arcs, and the shock needs to stay close to 90 degrees to the suspension motion, not 90 degrees to the ground.
Thanks for the input, and all of those things are a factor we need to think about.
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