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Thread: AUTO TRANS PROBLEM

  1. #31
    Join Date
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    Quote Originally Posted by Mercguy View Post
    Best I've had is 20/100 in normal driving. Bearing in mind that the 100 zone is 2km from the driveway and most of the driving in the RRC occurs in 80-110 zones. about ¾ of the total use. So it's not a great "economy" result.

    Towing on the freeway will see 28-30 no problem.

    But low range is where it will easily eclipse 30/100 without batting an eyelid.

    I would have thought your LPG mileage would be a tiny bit better than that at least -
    LPG is a less dense fuel. SO you use more of it (yes, you can get way more power as the octane rating is very high if you build the motor to run dedicated LPG... But it'll still use more). Fuel economy is probably 20% worse.

    seeya,
    Shane L.
    Proper cars--
    '92 Range Rover 3.8V8 ... 5spd manual
    '85 Series II CX2500 GTi Turbo I :burnrubber:
    '63 ID19 x 2 :wheelchair:
    '72 DS21 ie 5spd pallas
    Modern Junk:
    '07 Poogoe 407 HDi 6spd manual :zzz:
    '11 Poogoe RCZ HDI 6spd manual

  2. #32
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    AUTO TRANS PROBLEM

    Hi Blokes,
    I thought I might add something here to the fuel economy issue and I'm probably preaching to the already converted here, but a year or so back I fitted 245 70R16 tyres to "VILET" (1986 RRC) but found that the fuel consumption went up dramatically.
    The reason for this was that the tyres were 730mm in diameter and the standard recommended tyres were 700mm, which then makes the odometer reading wrong.
    I then compared the odometer reading with the Kilometers actually travelled and found that in my case the odometer was reading 12% less than what had actually been travelled, so this had to be calculated into the economy figures when working off the odometer reading thus making a big but positive difference to the economy figures.
    Ok I'll get off now.

  3. #33
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    Quote Originally Posted by Patrick M View Post
    Hi Blokes,
    I thought I might add something here to the fuel economy issue and I'm probably preaching to the already converted here, but a year or so back I fitted 245 70R16 tyres to "VILET" (1986 RRC) but found that the fuel consumption went up dramatically.
    The reason for this was that the tyres were 730mm in diameter and the standard recommended tyres were 700mm, which then makes the odometer reading wrong.
    I then compared the odometer reading with the Kilometers actually travelled and found that in my case the odometer was reading 12% less than what had actually been travelled, so this had to be calculated into the economy figures when working off the odometer reading thus making a big but positive difference to the economy figures.
    Ok I'll get off now.

    There is a solution for this - speedohealer. SpeedoHealer v4 speedo and odo calibrator by HealTech Electronics Ltd.

    They are a speed sensor correction device.

    v4 is for hall sensors. They also do a 2-wire VR sensor version.

    I have it in my 300 coupe and the RRC. Best bit is the speedo is absolutely dead accurate because you callibrate it with high-speed gps. Or you can deliberately program a "safety margin" in once you have worked out the correction factor, so that your 105 is actually 100 - just in case your speedo has been so far out of whack for years you cannot get used to an accurate one.

  4. #34
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    Quote Originally Posted by Mercguy View Post
    There is a solution for this - speedohealer. SpeedoHealer v4 speedo and odo calibrator by HealTech Electronics Ltd.

    They are a speed sensor correction device.

    v4 is for hall sensors. They also do a 2-wire VR sensor version.

    I have it in my 300 coupe and the RRC. Best bit is the speedo is absolutely dead accurate because you callibrate it with high-speed gps. Or you can deliberately program a "safety margin" in once you have worked out the correction factor, so that your 105 is actually 100 - just in case your speedo has been so far out of whack for years you cannot get used to an accurate one.
    That is interesting. I tend to just check the speedo with my phone (gps). Most of them are quite close. The modern ****boxes are often understated by upto 5km/h at 60km/h. I have the most issues with my old cars wth mph speedo. Do you think I can remember what odd speeds like 40km/h, 50km/h and 80km/h are in mph....

    seeya,
    Shane L.
    Proper cars--
    '92 Range Rover 3.8V8 ... 5spd manual
    '85 Series II CX2500 GTi Turbo I :burnrubber:
    '63 ID19 x 2 :wheelchair:
    '72 DS21 ie 5spd pallas
    Modern Junk:
    '07 Poogoe 407 HDi 6spd manual :zzz:
    '11 Poogoe RCZ HDI 6spd manual

  5. #35
    DiscoMick Guest
    Just keep in mind it's illegal for the speedo to read less than the actual speed and it makes your vehicle technically unroadworthy, which could affect your insurance if you crash and assessor uses it as an excuse to reject your claim.

    On fuel economy, the figures mentioned scare me, as my Puma Defender only uses 11 l/100 kms when towing our camper.

  6. #36
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    Quote Originally Posted by DiscoMick View Post
    Just keep in mind it's illegal for the speedo to read less than the actual speed and it makes your vehicle technically unroadworthy, which could affect your insurance if you crash and assessor uses it as an excuse to reject your claim.

    On fuel economy, the figures mentioned scare me, as my Puma Defender only uses 11 l/100 kms when towing our camper.
    the ****box here uses easily 35L/100kms towing the block of flats. Most petrol 4wds made in the last 50years will return similar economy sadly (they just don't tend to talk about it like land rover owners do).
    Proper cars--
    '92 Range Rover 3.8V8 ... 5spd manual
    '85 Series II CX2500 GTi Turbo I :burnrubber:
    '63 ID19 x 2 :wheelchair:
    '72 DS21 ie 5spd pallas
    Modern Junk:
    '07 Poogoe 407 HDi 6spd manual :zzz:
    '11 Poogoe RCZ HDI 6spd manual

  7. #37
    Join Date
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    3,742
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    Quote Originally Posted by Mercguy View Post
    There is a solution for this - speedohealer. SpeedoHealer v4 speedo and odo calibrator by HealTech Electronics Ltd.

    They are a speed sensor correction device.

    v4 is for hall sensors. They also do a 2-wire VR sensor version.

    I have it in my 300 coupe and the RRC. Best bit is the speedo is absolutely dead accurate because you callibrate it with high-speed gps. Or you can deliberately program a "safety margin" in once you have worked out the correction factor, so that your 105 is actually 100 - just in case your speedo has been so far out of whack for years you cannot get used to an accurate one.

    $134.10 - bugger, I've just spent $206 ordering a C6100 speedo adapter for my RRC. Oh well at least I know they work as I have one in the D2.
    MY16 D4 TDV6 - with a little Cambo magic for towing "The Brick"
    MY95 RRC LSE Vogue Softdash "Bessie" (turning circle comparable to QE II) with MY99 TD5 and 4HP24 transplants. Back home Nov 22 after a magic overhaul by Chivalry
    SADLY SOLD MY04 D2a TD5 auto Classic and MY10 D4 2.7 both with lots of goodies

  8. #38
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    Capel WA
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    AUTO TRANS PROBLEM

    Quote Originally Posted by DoubleChevron View Post
    the ****box here uses easily 35L/100kms towing the block of flats. Most petrol 4wds made in the last 50years will return similar economy sadly (they just don't tend to talk about it like land rover owners do).
    Yeah isn't that something.
    For years and years fuel consumption of the Range Rovers was always a lever for owners of other 4x4's but non of them would mention what they were getting out of their machines.
    When I was doing some desert driving, (no tracks, cross country only) we were crossing sand ridge after sand ridge I had my 3.5 V8 D1 Disco at the time, one of my mates had a Toyota diesel troop carrier, we were in the desert for 10 days and after it he came out 1Klm per litre better off than my D1, which I was totally gobsmacked about especially when I had to go up the sand ridges and pull him over the top of nearly every one because he got bogged halfway up.
    By the way the Toyota was a non turbo diesel.
    My mate was a bit disgusted at the ease at which I climbed over the ridges and then pulled him over so when he got back to home me went straight out and bought a Detroit locker for the Tojo, to which I thought at the time might make a bit of a difference but not solve the problem totally.

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