Re: [lro] Axles and Diesel gearing (was: Forward control question)

From: Robert S. Cascaddan (scaddan@pacifier.com)
Date: Sun Feb 16 2003 - 22:57:27 EST

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        I don't know if this will be any help, or not, but I was noticing today
    that the axles on the old Toyota Land Cruiser have the differential offset
    to the same side as the Land-Rover. I don't know if there is aftermarket
    out there for the Land Cruiser axles or how strong the axles in the Land
    Cruiser are, but I thought it might we worth bringing up.
        Also, I've noticed that in the case of Dodges with Cummins diesels and
    Fords with Powerstrokes the rear-end gearing options they mention are still
    the standard 3.7 and 4.1. I assume this must mean that the transmission
    gearing is somehow different with these engines. Does anyone know any more?

    Robert S. Cascaddan, MBA
    scaddan@pacifier.com

    Author of:
    Revolutionary Changes Ahead for Motorcycling
    http://home.pacifier.com/~scaddan/

    Articles:
    "Disruptive Technology = Revolutionary Changes"
    http://home.pacifier.com/~scaddan/disruptive.htm

    "Attracting a New Generation of Riders to the Sport of Motorcycling"
    http://home.pacifier.com/~scaddan/new_riders.htm

    ----- Original Message -----
    From: "Jean-Leon Morin" <offroaddesign@softhome.net>
    To: <lro@koan.team.net>
    Sent: Saturday, February 08, 2003 12:19 PM
    Subject: Re: [lro] Forward control question

    >
    > > You're running a torquey 6 and want to run 9.00-16s? I'm running a
    > torquey V8
    > > and 35s and have yet (two years) to have a problem with my stock front
    > end. If
    > > you are running an open diff I don't think you'll have a problem with
    the
    > diff.
    > > If you run an aftermarket carrier (ARB, Detroit) then you have even less
    > reason
    > > to be concerned.
    >
    > The 10 spline front end that's in a series is substantially stronger than
    > the same in the coiler variety. Range rovers and 90s with the small 10
    > spline axles are notorious for breakage at the CV. It's a well known fact
    in
    > the coiler world that I'm living on borrowed time, failure isn't a
    > possibility, it's an eventuality. With the pretty low gears and torque,
    I'm
    > very worried about it. This isn't upgrading "just in case". I haven't
    broken
    > these parts yet because I've been taking it easy and driving really
    smooth.
    >
    > The rear's a joke. I used to snap rover axles like twigs, and these,
    > although slightly better metallurgy, are almost as weak. I'm driving very
    > carefully and avoiding shock loading as I'd really like them to last until
    > the replacement axles are ready.
    >
    > The other reason I'm thinking of going really beefy with the axles is that
    I
    > have been working up to an engine swap, to a diesel. I'm not quite yet
    ready
    > to tell the world what I've got planned for it (no Pete, not a GM), but
    > it's going to be heavy, therefore needing a very heavy duty front axle.
    I've
    > heard of bent series front axles cases on 88's with Perkins conversions,
    so
    > I'm trying to stay away from the welded steel axle casing of the rover
    axles
    > if I can, because the pressed in tubes and cast housing of the D60 is made
    > to support more weight. Ground clearance is a good point, though. If I
    could
    > build a 62" wide U jointed rover front axle with discs and locking hubs
    I'd
    > be set. However, that's not possible without some major work, and it might
    > still be too weak for the weight of the engine.
    >
    > J-L
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