OME Terms, Explanations & Components
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4 x 4 Connection has been for years one of the nations leading installers of the Old Man Emu suspension. When you are choosing a suspension for your 4 x 4 you need to think about a couple of different things before you make your investment. First off, are you or will you be installing a bull bar and does it have or will it have a winch in it? How much weight will you be carrying in the rear of the vehicle, and how much of the time? Will you be doing any towing and what percentage of time? What percentage of time will the vehicle be used on road or off? What type and diameter of tire do you want to use? How much ground clearance do I need? Do you want a suspension that offers excellent on road handling and off road flexibility?
With these questions in mind you have several choices with the OME Suspensions. The Standard Duty Suspensions [our term for suspensions with normal loads] offer you better handling, increased ground clearance, increased flexibility off-road, and over-all a much better ride than any factory can provide. These suspensions can handle most all of your off-roading requirements. The Heavy Duty Suspensions or Extra Leaf Packages offer you all the same benefits as the Standard Duty, but also give you additional load carrying capability. If you are running a bull bar and a winch on the front you would want the heavy duty in the front. If you are running an aux. Fuel tank, heavy rear bumper and tire carrier, roof rack or you just carry a lot of gear all the time you will want the heavy duty in the rear also. You must decide if having the Maximum load carrying capability is what you need by the amount of equipment and time that it is used. The ride quality does differ between the two, where as with out a heavy load in the vehicle the heavy duty is going to seem a little stiffer than the standard duty. We have consoled many, many people over the years about these questions and feel that dollar for dollar the Old Man Emu Suspensions are the best choice for on or off road performance. Please check out all of the tech info on our site and if you have further questions please give or tech support line a call. Thanks!
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OME Technical Pages.
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OME Terminologies & Explanations
- Metric Conversion - Millimeters to Inches. Millimeters x .03937 = Inches
- Weight Conversion - Pounds(lb) to Kilograms(kg). 2.2046lb = 1kg
- Caster Kit - The OMECA77B & CALR1/2 kits consist of 4 eccentric bushings which are pressed into the leading arms of the vehicle. This will induce positive caster into the front geometry after fitting the raised suspension.
- Coil Springs - Driver's or Passenger's side is shown on the individual coil only where applicable. This is to compensate on those vehicles with uneven weight distribution. Remember that the drivers side in AUS. Is our passenger side here in the US.
- GearBox Packer Kit - Designed to space down the gearbox cross member from the chassis to reduce tail shaft flange angle there by reducing drive line vibration.
- Greasable Shackles - Replacement for original shackles allow easy regular greasing of polyurethane bushings.
- Leaf Spring - A & B springs are used to compensate for uneven vehicle weight distribution. Springs marked A have a greater camber height than springs marked B. ' A ' type springs are generally fitted to the driver's side and the B springs to the passenger side.
- GVM (Gross Vehicle Mass) - Set by the vehicle manufacturer and is determined by brake, axle, differential and tire specifications. Exceeding GVM rating can have legal and safety implications and is not recommended.
- Lift Height - Is shown as a guide only and equates to the amount of lift over the vehicle's original ride height. This amount can vary from vehicle to vehicle.
- Load Rating - Front-Weights shown are the maximum permissible loads with regard to accessories fitted, i.e., bull bars, winches, duel battery, etc….
- Load Rating - Rear-Light Load: Full passenger load with light luggage weights up to 150 kg.
Medium Load: Full passenger load with varying luggage weights from 200kg-350kg.
Medium to Heavy Load: Same as medium load with an increased load carrying to
Manufacturer's GVM.
Heavy Constant Load: The minimum constant load shown is required for optimum
Spring performance.
- OE - Original Equipment, as supplied by the manufacturer of the vehicle.
- Spring Bushings - OME polyurethane spring eye bushings on installation must be greased within the bore and flange area and regularly thereafter.
- Shock Absorbers - Available in different valve ratings.
- Steering Stabilizers/Damper - Designed as improved, original equipment replacement incorporating 50/50 neutral valving.
- Trim Packer - Prime purpose is to correct slight vehicle leaning.
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