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The i32 gauges are 25.4 x 48 mm so take up less room than a 52 mm round gauge. The could also measure coolant temperature. Manual here

When I get one, I'll get an Omega DPi32-DC See here, $175USD or or 117 UKP or $240 CAD Very nice. Programmable alarms with digital outputs to run a buzzer if you like. The numbers change colour depending on alarm state. Maximum and minimum memory. Accept RTDs or TCs.

See here. http://www.x-eng.co.uk/X-Brake.asp I have no experience with the product, but I'm sure someone will speak up.

There you go. Just joined the other day,

That's funny Tuko, who do you think I am????

I will assume 16.5 mm which only makes sense for the Disco rear. This gives 210 lb/in until the tighter two coils touch, which will be after around 5" of compression. Once the lower two coils are touching you go to about 290 lb/in. The usual idea for these things is with the rig unloaded all coils are free and the lower spring rate in in place. When you load the truck up it should be enough to close the tight coils and increase the spring rate. IMO, it works well for most people who want to use the vehicle for play and work. It isn't the best for pure off roading as you tend to want a lighter rate throughout travel to get more travel.

I don't have any data in my database. Tell you what. 1) Snap a picture of one so I can see the progression design. 2) Carefully count the coils, be as exact as possible. 3) Carefully measure the coil diameter with something accurate. Measure up/down and side/side as the forming process slightly ovallizes the coils. Based on iformation you provided so far, it is similar to NRC9462/3 but longer. It is important though to get an accurate coil diameter as that affects things quite a bit.

Don't have the colour code. What is the part number?

So that picture shows a dual rate spring. Similar but heavier than the NRC8044/5. An accurate measurement of the coil diameter will allow a guestimate of the rate.

So I'm getting a rear locker soon and humming and hawing about putting in a Detroit. Could anyone who has a 90 with a Detroit in the rear give me there impressions of the locker and any bad points that you have found. PLEASE - Do NOT post unless your information is first hand and it is to do with a 90. Yes, yes, I have searched and read everything written on the subject and have chatted with locals that have the locker (in other type of rigs). I would just like first hand impression from people that have been running in a full time, SWB, manual tranny rig.

Lovely, thanks. I have NTC5527 on my 90. I guess they are rare and worth something. Must be less than 18mm as that would be really stiff. Probably the same wire as the 5527s.

Hello All, If you do get any better info let me know and I'll update the gear reference page.

Here is My Spring information page If you gave mopre information or correction, please let me know.

Petrol has a significant vapour pressure compared to diesel. In order to avoid excessive venting, modern vehicles allow it to pressurize slightly before venting. This reduces petrol emmisions.

Static load radius is all that matters. Measure from the ground to the axles centerline. Inflated circumference has no impact on the rotation of the tyre. The tyre deforms and has a rolling radius/circumference smaller than the unloaded one.