Down travel is still the same maxed out as the metal stop below the upper a arm is the limiter.įor the front I would say throw some longer shocks in and your good, use all 4inches of travel, we sure need it.įor the rear, there are several options. If done correctly it will be the exact same as OEM, if longer it will limit uptravel or shorter it will allow more up travel. Now I am not entirely sure of how the bumpstop extension brackets affect uptravel.
(Sway bar factors in there too).įor the rancho lifted shocks the extended and compressed lengths are longer but still net 2inches of travel. Down travel is limited by a cast metal stop under your upper A-arm, up travel is limited by the rubber bump and the shock. Without the shocks, but with OEM bumpstops the H3 OEM suspension travels 4". When we started my H3 project, we removed everything so we could get an accurate travel measurement. I arranged the measurements to reflect travel from the least to the most. the rancho shocks in lifted and non lifted form have less travel then any other shock.īrand. I am not sure if that new leaf pack ever came out though.Timgco may know that answer.įor the front: I have no issues with the front except the shocks. So Rancho is correct, the rear leaves limit the flex. Shackles in the correct place, with deavers and stock springs Next thing you know 208 lbs in the trunk will set your shackles like this.Ĭya later up travel! You have no up travel now.you bottom out constantly and your actual shackle angle should be around here(next picture.) Now you have the shackles naturally in a soft rate position its only gonna go further back. Well the softer the rate the less it will hold the weight. Now lets take a look at this picture above, the further the shackle is back the softer the rate is. The length of the main leaf shouldnt of been adjusted at all IMO, it should have been the arch. Even the deaver spring was the same length as the stock spring and gave more lift then the rancho spring. When I spoke to the guys at deaver they said the pack is too long. After looking at the picture below they wanted to go for a soft spring rate so it will ride nice. Here you can actually see the leaf spring is longer when it shouldnt be. Rear: Rancho claims it was the spring pack.Why though? I personally see 1 issue with the front suspension and 1 with the rear on why it flexed less. So I wanna help out others on the fence of doing this kit.
HUMMER H3 LIFTED HOW TO
When I was researching about my rancho lift purchase I wanted to know why the hell this damn kit flexed less but I never really heard solutions on how to fix this. We have since tweaked the rear spring design and included an updated jounce bumper bracket to correct for and maximize ramp travel (articulation)." They also noted that they would be happy to supply the updated components to any readers who are not completely satisfied with their Rancho H3 suspension system." The reason for the difference in the RTI scores is primarily due to a higher-rate leaf-spring package along with excessive jounce bumper interference. Rancho says this: "The leaf-spring package that we originally released for the H3 was not exactly what we were after given the extremely soft rate of the original equipment springs. Naturally, this loss of travel raised some eyebrows. After the installation of the kit, the H3 traveled 47 inches up the ramp, logging a score of 420 points. One con mentioned but never really questioned was the lack of flex.Īccording to four wheeler, " In stock form, the 111.9-inch-wheelbase H3 traveled 50 inches up a 20-degree RTI ramp, logging a score of 447 points. I know we have this thread here but I want to put this out there in terms of some obstacles never mentioned that should be looked at with the rancho lift.Įveryone has talked about the basic cons on the rancho lift, backspaced wheels, more difficult to change the oil filter, PITA to change out the steering rack.
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