| Author | Message | ||
     Matthew A. Barnes (Discoveryxd) New Member Username: Discoveryxd Post Number: 19 Registered: 08-2003 |
Would a set of 4.5" bump stops affect my flex? I have RTE 3" suspension lift. | ||
| Rob Davison (Nosivad_bor) Dweb Lounge Member Username: Nosivad_bor Post Number: 812 Registered: 02-2003 |
maybe, what shocks do you have. | ||
| Matthew A. Barnes (Discoveryxd) New Member Username: Discoveryxd Post Number: 20 Registered: 08-2003 |
I have Rancho 9000s | ||
| Peter Matusov (Pmatusov) Senior Member Username: Pmatusov Post Number: 1028 Registered: 09-2002 |
Matthew, something has to affect your flex - bumpstops or tires rubbing on the fenders. Pick your poison. | ||
| Randall Smith (Mr_smith) Member Username: Mr_smith Post Number: 52 Registered: 04-2003 |
Mathew Depends on which Rancho. Most likely RTE gave you Ranchos be cause they are available in some really long travels. They probably suggested that you consider longer bump stops as well. This is the way your springs/shocks/bumpstops should be set: Your shock should be right in the middle of it's travel when the vehicle is on level ground. The gap between the bumpstop and the axle should be 1" less than the uptravel on the shock(so the shock will not bottom out). This can get complicated on the rear shocks because they are mounted at a 30degree angle, and the angle becomes larger the further up your wheel goes. The springs compression should also be matched to the shock travel. If the shock is too long for the spring then it will fall out of it's mount. If it is too short it will bottom out instead of the axle hitting the bump stop. The info above is a very breif discription and doesn't cover the real details. If you are going to be lifting a truck then you have to spend lots of time modifying shock mounts, swaping springs, spring spacers, bump stops, etc. Other wise all you get is a lifted truck. Randall | ||
| Robb Sundmaker (Robb) Member Username: Robb Post Number: 77 Registered: 03-2002 |
Mathew got the question from me. I am having the same problem as Mathew. Based on his previous post regarding his rear Ranchos going bad I emailed him and told him I had the same problem and RTE told me to get 4.5" bump stops. I was wondering if bump stops would reduce the articulation but at the same time wondering if I was not supposed to be getting that much articulation and that is why the shock bottomed out. I bought new Ranchos from RTE but am now considering sending them back for OMEs or Bilsteins because I do not want to go through this again next year. If Rancho does not back up the product why should I buy another set? Any advice on what I should do is appreciated? I have the 2" RTE lift with RTE cones and RTE rear upper shock mounts. The Ranchos are installed "upside down." | ||
| Matthew A. Barnes (Discoveryxd) New Member Username: Discoveryxd Post Number: 21 Registered: 08-2003 |
I installed the new bump stops and shocks today. The shocks are mounted with the adjuster on the bottom (right side up). I'm going to flex my truck today or tomorrow. I'll have my dad watch as the suspension flexs to see if the stops keep my shock from bottoming out. If they don't, then I'll have to move the bottom mount below the stock mount to give me more room. I'll let you guys know if it affects my travel. | ||
| Mike Bauer (Mikeb) Member Username: Mikeb Post Number: 87 Registered: 02-2003 |
I have the 2" RTE lift with RS9000 (9234s) in the rear with 4.5" bump stops. Fully stuffed on 245/75/R126s on American Racing rims, my rear diff is about 1/4 in from touching the bump stops. So, I don't think the bump stops really make much of a difference. In theory, I was sure that it would make a difference, but it does not appear to in actual practice. Maybe I'm missing something... I'm thinking about going with a slightly taller bumpstop. At full stuff, my tires rub the inside of the wheel well. Thanks, Mike B. | ||
| Greg Davis (Gregdavis) Senior Member Username: Gregdavis Post Number: 981 Registered: 08-2002 |
Mike, if your rear tires are fully stuffed but the bump stops are not touching your axle, what's stopping it from going farther up? Probably the shock is bottomed out, which is a bad thing. You need to make your bump stops about 1" taller so they will bottom before your shocks do. Otherwise, your shocks will die a quick and painful death.  | ||
| Jake Porter (Beluga) New Member Username: Beluga Post Number: 8 Registered: 06-2003 |
The bump stops are intended to keep your shocks from bottoming out and keep your axle from pounding your frame when droping off obstacles curbs whatever. Bump stops simply slow the impact but do not impede rear travel they are much to soft for that. I run 4.5 inch energy suspension bump stops which like all other bump stops does not hinder articulation thats what a sway bar is for. Your rear tire's will rub the inside of the wheel well's at full articulation, with a drop out suspension and some retained suspensions. Provided you do not have a sway bar stopping you. | ||
| Mike Bauer (Mikeb) Member Username: Mikeb Post Number: 92 Registered: 02-2003 |
Greg: The wheel is hitting the top of the wheel well. I'm pretty close on the shock length too. That is why I plan on either changing the shocks or bump stops or both. Thanks, Mike B. |
