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Thread: Noise and vibration of 6x6

  1. #21
    Join Date
    Mar 2014
    Location
    Macedon, Vic 3440 Australia
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    Isuzu's are noisy

    G'day "Noise Is Golden",

    Unfortunately Isuzu's are very noisy and have lots of vibration, which is what makes them fun to drive. Mine is a 4X4 hardtop and I haven't tried to deaden the noise as I figure it's a lost cause, I just wear earplugs whenever I'm driving alone and go sort of deaf when driving with my wife onboard ( this happens even when I'm not in my Landy however). When idling, she vibrates harshly, whereas when cruising she just ticks along comfortably, until wind noise becomes the main noise factor. She's a great engine on a bush track or in boggy conditions, loads of torque! It's quite economical also, I get about 12.5litres/100kms (factoring 7% for speedo overread). Maintenance is very low, they go forever, just lube and the usual replacing filters etc. Nulon G70 additive in the gearbox has helped to slicken it up.

    If you don't like noise and vibration, then I suggest you look elsewhere.

    Cheers, Deaf Ender.

  2. #22
    Join Date
    Apr 2013
    Location
    Bemboka NSW
    Posts
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    G'day DeafEnder. Yeah, noise and vibration is a funny thing and quite subjective. Mostly I hate it. On my Oka the engine was very, very tired after huge kilometres, and was using quite a lot of oil. But otherwise it was perfect, fast and mechanically quiet, with a gentle vibration that was more a throb of power. I replaced it with a very low 'k engine. It was totally different - similar power, but an uncomfortable harsh sort of vibration. I binned the new engine because of the vibes.

    Now I am trying 6x6 Perentie's and find that the engines certainly do vibrate and shake, but like my old Oka engine it is quite a pleasant vibe - except for the gearbox rattles at idle.

    Compared to a Defender, the Perentie 6x6 has plenty of spare space in the cab to fit sound shielding. I am sure I could get it quiet if I can overcome my reluctance to modify a Mortar Carrier - only eleven were built so it is a bit hard to wield the first blow of un-originality.

    Cheers,

    Noise-will-be-gone.

  3. #23
    Join Date
    Nov 2009
    Location
    Western Victoria
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    14,101
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    What makes your Perentie a mortar carrier is the pod on the back. You may consider removing it and storing it somewhere. Then construct your camping pod on the back.
    As to the sound deadening in the cab, do it. The 6x6 Perentie is actually a very comfortable vehicle. I have had passengers fall asleep whilst we were travelling.

  4. #24
    Join Date
    Apr 2013
    Location
    Bemboka NSW
    Posts
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    Thanks Mick, I had thought of that, but my shed is too full - the pod would have to live outside, and that would be just vandalism.

    Similarly, to make the cab really quiet I would be changing a lot of things that wouldn't be readily reversible. It is a pity I hadn't learned my way around the REMLR site before I bought this - I wasn't aware that it was a bit of a rarity.

    I only got it home two days ago - it has been getting a good going-over by our nearest Perentie mechanic. As you say, a very comfortable drive - especially with Bose noise canceling earphones!

    Cheers,

    Paul

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