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Thread: Defender V's Hilux

  1. #1
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    Defender V's Hilux

    My son is always giving me heaps about the advantages of his Hilux over my 300TDI 130, I must admit that I would like some of the creature comforts that he enjoys, but the one thing that really erks me is that he is able to use his Air/Con all day with out any effect on his performance. Where as I have to virtually turn it off to pull out of the kerb or over take someone, let alone what it does to my fuel consumption. [B]Is it the compressor??[B]Has anyone fitted a more efficient compressor or is the whole system inadequate. Any suggestions.
    Peter

  2. #2
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    maybe remove the boat from the roof racks.......

    i could only wish my air-con worked in my tdi....

  3. #3
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    Every time he does just point at the difference in the running cost, comfort visability, safety, offroad capability, towing capability and insurance. Then point out that since you have progressed from the young and stupid to old and wise that you will wait for him to mature before wasting your time having this same of boring arguement again.

    Of course you could fit 4.11 diffs and/or get the injector pump tweaked.

    The draw of the aircon has little to do with the efficiency of the pump, very roughly at the end of the day it takes the same amount of HP to do the same amount of cooling.

    whats wrong with your aircon weeds?
    Dave

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  4. #4
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    I would have thought that the running costs, comfort and off road ability, safety and insurance would be better on the hilux I must admit i am in the market for a dual cab mid 90's hilux. A 130 didnt even get a look in because i want to regularly drive in traffic and have some comfort for myself and the missus.
    Cant help with the aircon though. The 2.8 diesel lux motors are pretty damn slow on their own.

  5. #5
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    Quote Originally Posted by Blknight.aus View Post

    whats wrong with your aircon weeds?
    dunno, had an air-con guy look at it once, he said it had enough gas but its a ppoor setup

    the previous owner modded the fan/temp switch....it only has a fan speed switch now, the temp is controlled through one of the air vents it appears to be set and forget

  6. #6
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    I thought new Hilux's were ok until the other day - when a sparky stopped in my rather steep concrete driveway just before the gate and reversed, his T/C went beserk and he left a huge burnout reversing from his front right wheel. I have done this move about a million times in my disco 2 and have never left even a trace of a black mark. 6 weeks on and I can still see it was a cooper ST .

    Go the live axle , independent front - bahh humbug.

    EDIT - oh, I forgot, I have a disco and therefore have awesome creature comforts!!
    Last edited by gusthedog; 3rd January 2012 at 02:27 PM. Reason: I forgot to be cheeky

  7. #7
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    Quote Originally Posted by weeds View Post
    maybe remove the boat from the roof racks.......

    i could only wish my air-con worked in my tdi....
    Now if we used hydrocarbon refigerants they would be 10-20% more efficient and not leak out requiring re-gas every summer.

    Diana (waits for the flaming to start, not the LPG)

    You won't find me on: faceplant; Scipe; Infragam; LumpedIn; ShapCnat or Twitting. I'm just not that interesting.

  8. #8
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    Quote Originally Posted by Lotz-A-Landies View Post
    Now if we used hydrocarbon refigerants they would be 10-20% more efficient and not leak out requiring re-gas every summer.

    Diana (waits for the flaming to start, not the LPG)
    I rang Ladas once about converting a tractor a/c system to HC refrigerant as we had a porous hose somewhere and his recommendation was that if it leaks R134a or a hybrid blend, it'll leak HC's just as well.

    We replaced every single hose (not a cheap exercise on a biggish tractor) and I continued to use a blend (8% more efficient than straight R134a )

  9. #9
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    Quote Originally Posted by rick130 View Post
    I rang Ladas once about converting a tractor a/c system to HC refrigerant as we had a porous hose somewhere and his recommendation was that if it leaks R134a or a hybrid blend, it'll leak HC's just as well. ...
    It is always better to have a fault free system, however the molecule size of the 134a is much smaller than that of the HC refrigerant and therefore can leak through smaller holes.

    It's very much like a fuel tank that will leak petrol, but when you try to repair the tank it doesn't leak the water you use as an indicator because of the larger molecule size.

    I'm not suggesting people change refrigerants, but there are a lot if reasons why HC refrigerants should be more common than they are.

    Diana (still waiting for the bomb myths)

    You won't find me on: faceplant; Scipe; Infragam; LumpedIn; ShapCnat or Twitting. I'm just not that interesting.

  10. #10
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    Quote Originally Posted by Lotz-A-Landies View Post
    It is always better to have a fault free system, however the molecule size of the 134a is much smaller than that of the HC refrigerant and therefore can leak through smaller holes.

    It's very much like a fuel tank that will leak petrol, but when you try to repair the tank it doesn't leak the water you use as an indicator because of the larger molecule size.

    I'm not suggesting people change refrigerants, but there are a lot if reasons why HC refrigerants should be more common than they are.

    Diana (still waiting for the bomb myths)
    Water molecules are much smaller then most of the organic molecules that make up the mixture we call petrol. I expect the reason for the leakage difference is the volatility of the petrol which creates a significant (vapour) pressure above the liquid petroleum and thus the tank leaks because it is under 'pressure'. Water is much less volatile and does not create the same pressure situation. There is also the hydrophobic nature of the petrol which would be well entrenched in any fine crack in the petrol tank. Even after extensive washing the petroleum would still be in the crack repelling any water that came near it (ie the residual petrol blocks up the leak to water).

    Cheers
    KarlB

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