[DeTomaso] Squeaky suspension

[michael@michaelshortt.com]

Rubber bushings are slower to respond and they dry rot over time.
Poly bushings respond faster, do not compress as much and they do not dry
rot.

Michael Shortt
On Oct 15, 2013 9:51 PM, "Jack Donahue" <demongusta at me.com> wrote:

> With all the talk about squeaky polyurethane bushings, which I have,I see
> Hall offers "rubber bushings"   - looks like I am going to lube up all the
> A-arm bushings, so why not convert back to rubber? I also have Hall's
> duel-zerked carrier shafts.
>
> On Oct 15, 2013, at 11:20 AM, MikeLDrew at aol.com wrote:
>
> >
> > In a message dated 10/15/13 3 44 1, shbailey at att.net writes:
> >
> >
> >> Mike Drew covered the concern for frozen shafts in the hub carrier. He
> is
> >> correct about this concern. When I built my car Hall Panera had a mod
> for
> >> that, He sold shafts that were machined to a accept grease at the
> bearing
> >> locations. All you had to do was drill and tap the carrier at the
> bearings
> >> for zerk fittings.
> >>
> >
> >>>> My car is equipped with a different version, which are no longer be
> > available?   Mine shafts have a zerk fitting in one end, and are
> gun-drilled
> > through the center and then have holes and cavities to allow grease to
> get
> > between the shaft and the inner sleeve, although it does not address the
> hub
> > carrier bearings.
> >
> > I don't know why they are no longer available, as they work quite well.
>   I
> > was dreading the task of removing them for inspection, but was pleasantly
> > surprised that they came out with nothing but gentle taps.   The fit is
> > absolutely precise, there was grease from one end to the other, and in
> general,
> > things were all tickety-boo.
> >
> > Having said that, I made no attempt to remove the sleeve from the center
> of
> > the hub carrier.   Ideally, the shaft and sleeve are to remain fixed
> > together, and the sleeve is supposed to rotate inside the hub carrier
> bearings.
> > The current kits are designed to promote this, by enabling a grease path
> from
> > the underside of the hub carrier, through to the outside of the sleeve,
> and
> > thence to the bearings.
> >
> > http://hallpantera.com/cgi-bin/p/awtp-product.cgi?d=hallpantera-inc&
> > item=22512
> >
> > This keeps things rotating nicely, but doesn't address the issue of the
> > center shaft potentially rusting to the inside of the sleeve.
> >
> > In this scenario, the suspension will operate perfectly well but could be
> > next to impossible to take apart.   I think the ideal scenario would be
> to
> > have both types of lubrication.   (I really have no way of knowing if my
> > sleeves are rotating in the hub carriers as intended, or if my
> suspension is
> > rotating on the shaft instead, which would certainly be less optimal).
> >
> > Mike
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