Mud-club
Vehicle & Technical => Series Land Rovers => Topic started by: mark.yellow.series.3 on May 08, 2006, 22:19:40
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hi all,
i have a rangie box in my series (4 speed LT95), with the series diffs, and i plan to use a series speedo. will my speedo read somewhere near the correct speed??
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A GPS will tell you. :wink:
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Depends on the tyre size ;-)
The diffs will make the gearing different, but if you are running larger than the stock 205 tyres then it might be back near correct
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sorry, dont posses anything that technical!! i was going to try following my mate down the road, and compair speeds.
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Ask around.. I'm sure someone will be able to lend you one.
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Depends on the tyre size ;-)
The diffs will make the gearing different, but if you are running larger than the stock 205 tyres then it might be back near correct
the tyres are 237/70/16 amazons,
but the diffs are standard, as is the speedo, its just the different tyres and the RR gearbox.
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You have changed the final drive ratio . Not from the land rover but from the range rover . If you ran 3.54:1 (range rover ) diffs and range rover sized tyres the speedo should read right , but you have 4.7:1 diffs so the speedo will read wrong . You can for a small fee ( At least you could at one time ) send your clock to smiths and they will alter the clock to suit your diffs and tyres etc . I had this done when I fitted 3.9:1 diffs to my Siia FC .
As an after thought I have never known a series land rover speedo to read right anyway . :D
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so your running basically a standard v8/lt95 setup but with series3 diffs?
wow.
thats gonna accelerate well, but i reckon you'll top out at about 65mph
is there any reason you've kept the series diffs?
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get someone to drive at steady speeds from say 20 to 70, then when you're stopped tip-ex on the speedo what speed you were doing (or memorise it - in my S3 with the speedo waving all over the place I'm doing 30 at approx 26 on the speedo, 40 at approx 33 on the speedo, above that your guess is as good as mine!!)
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Mark, you have put CV swivels onto the front axle right?
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You have changed the final drive ratio . Not from the land rover but from the range rover . If you ran 3.54:1 (range rover ) diffs and range rover sized tyres the speedo should read right , but you have 4.7:1 diffs so the speedo will read wrong . You can for a small fee ( At least you could at one time ) send your clock to smiths and they will alter the clock to suit your diffs and tyres etc . I had this done when I fitted 3.9:1 diffs to my Siia FC .
As an after thought I have never known a series land rover speedo to read right anyway . :D
near enough, :lol: is good enough for me!!!
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so your running basically a standard v8/lt95 setup but with series3 diffs?
wow.
thats gonna accelerate well, but i reckon you'll top out at about 65mph
is there any reason you've kept the series diffs?
i dont plan on going any faster the 50mph or there abouts, i kept the series diffs coz iam not bothered about going fast or spending any more money, as the truck is primarily being ued off road i thought the lower ratio would be more of an advantage. but the box has got an overdrive which will help the motorway runs.
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Mark, you have put CV swivels onto the front axle right?
not yet, i shall look at that last. i only found out that snippet of info after i had bought and half fitted the RR box :oops:
the CV's arent that dear to buy, ive just got to source some half shafts and other little bits, hope i dont need to replace the whole swivel ive heard that the stage 1v8 swivles are bigger.
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That is a appitite for distruction.....he he G'N'R...
The series diffs will brake halfshafts for fun if ya not carefull. They will put alot of tourqe onto the shafts. I would be looking for some second hand RR diffs if I was you..... Sorry to be a stick in the mud.... :?
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will probibly change the diffs one day, but not on the list at the mo (just trying to get it on the road first!
but iam a careful driver, always thinking of the stresses iam putting on the vehicle when using the right foot. O:)
ps what kind of difference is there between the 4 speed RR box and a 4 speed series box :?:
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I've got rangie diffs and 31x10.5xR15 on a Series III 2 1/4 Diesel it shows 35mph but I'm told its 65mph by my bro following in his car.
The engine is a bit ropey (smokes like a 1918 tank) and is looking like it's going to have to go :( but seems to pull ok.
ps my gearbox is pant too :)
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Gear Ratios and also the fact that the LT95 is permament 4WD as well as the gearbox and transferbox are in the same casing, unlike the Series gearbox and transferbox which are two seperate units.
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that will be because the gearbox is going what it thinks to be normal speed but due to the rangie diffs there turning your wheels faster.
i think mine will be the other way round if anything, with the faster gearbox(i think) but lower ratio diffs.
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but iam a careful driver, always thinking of the stresses iam putting on the vehicle when using the right foot. O:)
Having replaced the original asthmatic two an' a quarter series lump with a V8 your probably gonna stress the old gal' out on tickover :shock:
But I like your style :D
Dave :wink:
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Gear Ratios and also the fact that the LT95 is permament 4WD as well as the gearbox and transferbox are in the same casing, unlike the Series gearbox and transferbox which are two seperate units.
thanks steel but as always my brain works but fingers dont, i ment to say what is the difference in ratio's between the boxes.
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but iam a careful driver, always thinking of the stresses iam putting on the vehicle when using the right foot. O:)
Having replaced the original asthmatic two an' a quarter series lump with a V8 your probably gonna stress the old gal' out on tickover :shock:
But I like your style :D
Dave :wink:
your probibly right :lol: , but i can hope. if (when ) i brake somthing i will let you say 'i told you so' :lol: :lol: