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Towing advice V8 v TD5

Discussion in 'General Land Rover Forum' started by Astraeus, Jan 25, 2018.

  1. Astraeus

    Astraeus New Member

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    In a few months time I intend buying a Discovery 2 or Range Rover. (Budget about £5k) I have always fancied a V8 and would fit it with LPG. However would be happy enough with a diesel TD5 etc. Has anybody any advice about which would be better and cheaper to run. I currently(last 5 years) run a Rover 75 V6 on LPG, and covered 70k in its predecessor 1.8 LPG) covering circa 10/12 k miles a year but don't tow with it. It is cheaper to run than my ZT with the 2.0 BMW Diesel in it.
    It would have to be automatic so can anyone give some advice/ experience with comparison? Heart v head?

    It will be used for towing classic cars/ sailing boat including a Rover 75

    All advice ( even if totally against the V8 ) will be helpful

    Thanks

    Chris
     
  2. norseman

    norseman Well-Known Member

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    I cannot offer any advice re. the TD5 as I've no driving experience of a vehicle powered by that engine, but what I will say is decide if you can cope with the V8's thirst ... if you can't steer clear of LPG & buy something that is affordable.
     
  3. listerdiesel

    listerdiesel Well-Known Member Events Planner

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    Discovery 2 V8's, we have three, plus a Vogue 4.6.

    They are not so bad as folks make out, but the diesels are cheaper to run, if a little down on power for towing.

    One of our V8's is going to be up for sale, it's a low mileage 1999 GS manual, no ACE.

    upload_2018-1-26_12-3-23.png

    That's 3500kg, and the extra power of the V8 makes a big difference at the top towing weight.

    Peter
     
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  4. Joemac434

    Joemac434 Well-Known Member

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    My experience is visa versa only towed with a td5 disco,With a tractor weighing just on 2 tons on a 16' ifor Williams trailer so almost at the 3,500kg limit,never had any problems at all,it's a complete big standard disco with air and ace,no mods of any kind to engine or any where else.Has plenty of power and handles really well at towing speeds 55/60 mph.Does around about 15)7 mpg at that weight which I think I'd reasonable.hope that helps
     
  5. Astraeus

    Astraeus New Member

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    Thanks. Why do you say steer clear of LPG? Is there a problem with that engine and LPG?
    I have run a V6 Rover 75 without any problem for last 4 years with decent Stag kit fitted. Does it perhaps depend on LPG kit or something with the V8 engine?
     
  6. Astraeus

    Astraeus New Member

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    Hi
    Thanks. I note from your signature you run a V8 on LPG. How has that been? What sort of LPG kit have you on it?
    Chris
     
  7. Astraeus

    Astraeus New Member

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    Hi
    Thanks. Yes, I have heard that they are perfectly capable. Good that it tows well at limit.
    Chris
     
  8. saxavordian

    saxavordian Well-Known Member

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    To be honest you need to make sure the V8 is running sweet as the LPG will pick any flaws being a different combustion. LPG on open systems SU Carbs are forgiving with a V8 but reduce the umphs on acceleration. Injection system has to be accurate so make sure the V8 is SERVICED first before adding the LPG.
     
  9. saxavordian

    saxavordian Well-Known Member

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    Forgot to add the tanks or tank take up a lot of space so decide what variety and volume your willing to have.
     
  10. listerdiesel

    listerdiesel Well-Known Member Events Planner

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    Both of our Discovery V8's are on Zavoli multipoint systems, and the Rangie Vogue will go on the same system after we've sorted the engine out (cooked by previous owner)

    LPG is good, mine has done 95k on gas, more before I bought it. We've been into Europe 7 times with it and had no issues.

    V8's need to be solid mechanically if you're going to run on LPG, it runs at a higher combustion temperature and there's no evaporative cooling as you get with petrol.

    Joemac's Ifor trailer seems a bit heavy? ton and a half seems a lot?
    https://www.iwt.co.uk/products/flatbed/lt-and-lm/?tab=spec

    Peter
     
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  11. Joemac434

    Joemac434 Well-Known Member

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    Traile not that heavy Peter,forgot to mention the plough,800 kilos ! Doh
     
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  12. Turboman

    Turboman Rural Activist

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    V8 Auto worked well for me. No issues, and not too dear to run for a big vehicle.
     
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  13. Astraeus

    Astraeus New Member

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    All good advice thanks

    Chris
     
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  14. goonarmy

    goonarmy Annoyed by new forum LZIR Despatch Agent

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    Both will be fine to tow. Both wont be very effcient especially when towing. V8 will be more fun, diesel more frugal solo.
     
  15. top-cat

    top-cat Well-Known Member

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    i Had up until last year a disco2 v8 manual that i only used occasionally for towing a 26' caravan.
    Some years ago i had a 200tdi disco for pulling a similar size caravan.
    I would say without doubt the v8 everytime. plenty of power for cruising speeds and plenty more left in case its needed.
    I have a tdv6 d4 now that i have yet to tow any distance so im not sure how comparable that would be.
    My mpg when towing would average 14mpg and i drove it hard and usually towed at 70mph
    i hope this helps
     
  16. listerdiesel

    listerdiesel Well-Known Member Events Planner

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    When we go to Nuenen for the engine show, we are fully loaded, car and engine/living trailer, but there's still a reasonable return on mileage if you make the engine pull rather than rev its nuts off.
    I much prefer the 5-speed manual in the Discovery, but with the higher power of the Range Rover 4.6 I'll probably be OK with the four speeds of the ZF HP24 box.
    We fitted the uprated R380 box from Ashcrofts last year as the bearings were going in the box that we fitted in 2012.
    Peter
     
  17. Turboman

    Turboman Rural Activist

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    Autobox on my D2 was lovely for towing. No idea what sort of box it was, but it worked well.:)
    Nice and gentle on the works on pulling away, and good for creeping for low speed reversing.
     
  18. Astraeus

    Astraeus New Member

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    Thanks. It is good to get various opinions
    Chris
     
  19. listerdiesel

    listerdiesel Well-Known Member Events Planner

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    ZF 4HP22 by memory, a very good box.

    The Vogue has the slightly larger 4HP24.

    Peter
     
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  20. MJI

    MJI Well-Known Member

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    Either will be good.

    Both have good points and bad points.

    Basically medium sized V8 vs tuneable smallish Diesel. Both sound nice.

    Condition of vehicle is also important.