Outer Limits 4x4 Board

I wouldn't think the exercise is viable. You would be better off purchasing a coil sprung vehicle, this would save plenty of cash and many head aches.

Big Mav Post your coil dimensions and I will reply with your coil rates. Dimensions required. Coil ID Coil turns - list fraction of turns Wire OD Coil Free Length A coils rate will alter (very slightly) with the differance in free length. If you know brand name or colour of shock, then please list ...

What tyre's do you want to run?

What do you use the vehicle for?

What load bearing accessories are added to the vehicle?

Do you tow? What would your constant load be?

The answers to these question will allow the readers to give accurate feedback.

Your lift will be directly proportional to your current shackle angle and leaf length. Unless you gather a few measurements it will be very difficult to calculate. If you are determined to install 75mm extended shackles (this does seem a little excessive), then do as Grimbo said and cross up your ...

The Cofap shock manufacturer has had a very good reputation in Australia for over 20 years. Australia has been a solid development base for the Cofap products and Cofap will continue to use Australian companies and vehicles as a benchmark for shock absorber performance. The TJM and EFS (Elite ...

EFS has a 3" suspension kit for 60 series off the self. If you require any mods to cater for any personal changes, then these amendments can also be done to suit your needs. See Extreme 4x4 Browns Plains.

XGS (TJM) will also have a kit, they can supply all products for front and rear suspension.

3" coil will accomadate your 33" tyres. A soft rate coil will be 215 lbs/inch (front) and 220 lbs/inch (rear). A more moderate coil that will allow good flex and prolong fatigue will around the 250 lbs/inch (front) and 270 lbs/inch (rear). Due to your tank mass I would suggest a 3.5" to 4" coil in ...

The suspension travel will be relavant to the Dakar spring rates. Do you know want spring rates were installed to your Hilux? Do you know the extended length of your front and rear dampers?

Let us know as these issues will determine your outcomes.

There will be a lot of better choices around. The Ironman Suspension will not be an itergrated suspension package that is designed to suit a particular application. The Ironman units will be a bunch of individual parts sold to fit a Patrol, and that will be as good as it gets. There are many better ...

Nissan MK and MQ OEM front leaf springs came out with 3 and 6 leaf tapered spring packs. these packs are sometimes refered to as "parabolic". The parabolic profile relates to the cross section thickness, you will find your 3 leaf packs have thicker material in centre of spring. All aftermarket ...

Carrolls Springs can bend custom ubolts from SAE1340 grade 5 material, they only have imperial sizes but will cater for 1/2", 9/16" and 5/8" in grade 5. All ubolt will have approx 90-100mm of UNF roll thread.

As the front end rebound travel is governed by the control arms most aftermarket shock should be satisfactory (based on length only) for the front end, the valving on some may leave a little bit to be desired. It still comes back to how much money do you want to spend? If upto $300 / pair, I would ...

Polyairs sound good. If you have standard springs and wish to preload the airbags to produce a 30-40mm lift, then leave your current monroes on there and assess the ride before replacing them. The monroe may have too higher forces for the standard coil but with the added airbag (less friction and ...

The two primary vendors for normalised spring steel are One Steel and Southmet Industries. But your chances of finding new steel plate to suit the leaf sprung rovers is next to nothing. If you are that keen to produce a custom spring with the OEM steels then purchase some old springs, have them ...

Humphey: what temperature are you restting the leaf springs at (just curious)? I am sure, even as you are a spring maker, you would not suggest a reset spring over a new spring (new spring with correct rates, mechanical properties and dimensions). I could see the value in a reset if you were only ...

fnqcairns, the 300 and 330 lbs/inch rates produced a huge improvement to the overall ride control of the GQ. I went with a 300 lbs front as I removed the sway bars and wanted to maintain a tigher front end feel on and off road. The 330 lbs rear hold the mass of my drawer system (rear still sits up ...

Almost correct Ben, spring setting can be very ambiguous as 95% of cold leaf spring resetting premises do not have the facilties to retemper leaf springs (including the one your have mentioned - retempering of high carbon spring steel requires a constant temp of approx 440-460 deg C). The process is ...

What do you intend on using your vehicle for? What sort of constant load is on your vehcile? We all know there are many suspensions available for for these vehicles based on heights and rates. Let us know a few more facts so we can suggest a few options, these options will based on vehicles mass and ...

All rear suspension lifts are going to be restricted by the available height from the torsion bars, weather you purchase new bars or preload your OEM bars they achieve the same vehicle heights, the aftermarket torsion bars will be off a higher rate (approx 96.6 Nm/deg based on a 30mm OD and SAE5160 ...

Not so crucial but I have some data as an accurate bench for your vehicle, typical 3" lift would result in a 1988 GQ wagon with 4.2TD centre of hub to natural metal guard to be front 620mm and rear 635mm. these heights are based on 300 lbs front springs and 330 lbs rear springs. The spring rate will ...

What model Hilux and what load bearing accessories are installed? Give us a bit more info.

As Canada has stated removing leaves from your current leaf pack will reduce it's static ride height. The set up on your steer axle spring looks ok but is hard to define without knowing leaf thicknesses (will determine spring rate). If you are not happy with the steering axle suspension performance ...

To have your suspension proportionally compress without have premature fatigue can be quite difficult. Even if you purchase the 6 leaf tapered spring and derate it (would suggest to 4 leaf) you would still require a hot reset to enable the spring to perform at a satisfactory level. Any second hand ...