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Old December 31st, 2011, 09:10 AM   #1
Plato2k5
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Default setting up shocks...up vs down travel

Its my understanding that 1" of wheel travel does not mean 1" of shock travel...is this correct?

I need to work on my front mounts on the front of my SOA re 1.5" lift springs and was wondering about this. I have them mounted ONTOP of the tube. Is it better to have them mounted behind the tube?

I think i have 5" of compression, and around 6" for extension.
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Old December 31st, 2011, 11:59 AM   #2
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Distance traveled is determined by the angle of the shock. Rarely is a shock mounted straight up and down, if it was it could actually become less effective when flexed out due to it "camming" over instead of absorbing the full range of motion. In our application we normally mount stuff in a way that keeps it from hanging you up or ripping stuff off. Not sure if its right or not engineering wise but thats what off road people seem to do. Maybe an actual engineer will chime in.
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Old December 31st, 2011, 12:01 PM   #3
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Oh and for a regular shock (not a coilover) I would flex out your suspension from full stuff to full out, or until the driveshaft angles approach binding, and get a measurement. Then get the correct shock length (maybe an inch or so longer) and mount it in a way that allows full movement without stressing the shock in any way. You should have bumpstops and limiting straps to keep the shock from being either.
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Old December 31st, 2011, 01:22 PM   #4
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This site should have a thanks button.
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Old December 31st, 2011, 08:01 PM   #5
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REP like other sites do.... thanks makes great sense! I hear of people mounting the shock at the same angle as the Ubolts on the front. Not sure how a revers shackle system plays out with this though.... Now as far as the shock mounting itself goes... I have eyelet and eyelet on each end. Now the top is parallel to the frame, and the bottom is parallel to the axle. Should they point the same way?
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Old December 31st, 2011, 08:22 PM   #6
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I have no idea honestly, but I would guess that the shocks should be mounted in the direction of travel/axle swing.
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