Pm replied to D.

I have a few parts surplus to my needs for sale.

* A set of 4 15x6 114.3 PCD CH Lancer steel wheels, not sure of exact offset but they would be around +35-45 (will measure if needed). They fit rear of 1200 ute with no issues but hit standard strut tube at front, could be used with spacers or offset easily changed by a wheel shop. $80

* A pair of S13 CA18DET 180sx (RS13DFT) calipers. They are I'm pretty sure for the 250mm rotors, threw discs out years ago so can't verify. $60

* An alloy H190 bare carrier out of a 620 ute. Have crown wheel and pinion and diff case sill also if anyones interested. SOLD

Prefer pick up located 50 mins north of Brisbane Qld. May consider shipping if no interest locally.

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Mate, very keen to check this out make an offer. Check your private msgs.

P.M. Sent

Hey guys, trying to increase my storage space so want to get rid of these 13x6 +10 offset cheviots (not sure the model name). They are in original, I would say good to very good condition some scratches and small amount of light curb damage. No bends or distortion. Come with 175/70 R13 Bridgestone Turanza ER592's, two with 4mm tread, two with 7.5mm tread. I am located between Brisbane and Sunshine Coast, looking for local pick up sale, $275 ONO. SOLD!!

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Also should have said measurment was taken from wheel arch center to ground, so some tyre compression was also included in droop figure. This would bump rate up further at that ROUGH 22mm figure if tyre compression was subtracted. All i'm saying is the spring rate is very close to quoted Nissan spec, as you would expect given it is a standard pack, my experience with loading know 500kg loads in tray(over loaded with additional passengers) in past and where springs sit with that known load. Of course if want accurate results you could do a complex lengthy mathematical theoretical equation, order a new pack and put it in a test rig if you don't trust the nissan figure, whats the point? Your not going too get everyone to agree on ride height preference or spring rate they want in a custom composite monoleaf anyway. I would not enter into a group buy like this for that very reason and for same reason i'm not spending my time doing accurate measurements to prove you wrong. I was just trying to assist with a bit of basic info and ROUGH measurments that took 5minutes of my time.

oh and did i mention that virtually the same result divided by 2, round 2 the closest mm, in droop is achieved if the weight is applied direct center, over the top of the third member in the tray. Mind you i did say all along rough measurments if you read my posts. Why dont you try it for yourself Mr i'm Automotive engineer of the century, don't just take it from little old me, and i take it your also telling Mr Nissan he doesn't know what he's on about too. You did realise that 30 year old set of springs with worn insulators was going to bind a little more than a new set didnt you?

I applied weight to one spring pack only so rate was 203 lb/in per spring pack. Take roughly 20-25% of that for friction and binding of leaves and you arrive at the factory quoted spec for four leaf pack on a B120. Reason why with composite leaves they say use roughly 20% higher spring rate is due to the lack of friction in a mono leaf design i would think.

Yeah it would be interesting to know for sure, I would say its alot closer to being 267kg/mm, 149lb/in rate than the coupe figure of 110lb/in. Just from memory the overrider doesn't come into play till the bump stops are nearly touching the chassis. Did a rough measurment, starting with unladen ride height, adding 80kg of weight to top rail centered longitudinally, above the axle centerline. Ride height dropped by 22mm. Taking into account friction and binding caused by the leaves sliding against one another, I would say it fairly accruate as at 80kg for 22mm droop that is over the spec given. The coupe leaf thickness in wiki however of 1x6mm and 2x7mm thickness would suggest different, however they have less free camber to start with which would cause a flatter leaf profile.

"the overrider" is the 13mm thick leaf mentioned at the bottom of the list.