[DeTomaso] [POCA Forum] A-ARM BUSHINGS (Pantera Technical)

Julian Kift julian_kift at hotmail.com
Fri May 1 09:17:56 EDT 2015


This begs the question are all the vendors polyurethane offerings the same? I have poly bushing and can't remember when I last greased everything, but never had any squeaks.
 
Julian
 
> From: demongusta at me.com
> Date: Fri, 1 May 2015 01:22:05 -0700
> To: mbefthomas at comcast.net
> CC: deTomaso at POCA.com
> Subject: Re: [DeTomaso] [POCA Forum] A-ARM BUSHINGS (Pantera Technical)
> 
> Ah yes, life is but a trade-off. Stiff and squeaky or softer and quiet, The older you get, the more you like the latter. 
> 
> > On Apr 30, 2015, at 8:20 PM, Mike Thomas <mbefthomas at comcast.net> wrote:
> > 
> > I have a set of the original style bushings, but as I'm running an offset
> > set in the front for more caster, and the shims are all forward, I'd lose
> > some of the caster by going back to the stock bushings.
> > 
> > I am getting awfully tired of the squeaking . . . .
> > 
> > Mike Thomas
> > 
> > -----Original Message-----
> > From: DeTomaso [mailto:detomaso-bounces at poca.com] On Behalf Of Mike Drew via
> > DeTomaso
> > Sent: Wednesday, April 29, 2015 2:12 PM
> > To: demongusta at me.com; sjcarguy60 at yahoo.com
> > Cc: deTomaso at POCA.com
> > Subject: Re: [DeTomaso] [POCA Forum] A-ARM BUSHINGS (Pantera Technical)
> > 
> > 
> > In a message dated 4/29/15 12 34 27, demongusta at me.com writes:
> > 
> > 
> >>      What is the main advantage of the Poly A-arm bushings? If they 
> >> are
> >>>      replaced with the stock rubber, I assume you would not have the
> >>>      squeaking, correct.
> >> 
> > 
> >>>> Interesting--I never saw this original message, or John Donahue's
> > response, or Dennis' response to that; the only thing that came through is
> > John's 
> > subsequent reply.   Is this something that bled over from a web-based forum 
> > perhaps?
> > 
> > As to the question above--the principal selling point of poly bushings is
> > that they offer less compliance (which is what bushings are for in the first
> > 
> > place).   They are favored by racers and autocrossers (back in the day, race
> > 
> > Cobras came with solid metal bushings, yow!).   The main advantage they 
> > used to have over factory bushings was greatly reduced cost.
> > 
> > Drawbacks are many, however.   As you mentioned, they can squeak something 
> > awful if they aren't properly (and routinely) lubricated.   (People often 
> > fail to lube the outside ends of the bushings, which is where most of the 
> > squeaking happens).   Too, they can deliver a somewhat harsher ride, and
> > fail to 
> > absorb road shocks as well, transmitting them through the body instead.
> > 
> > Now MaseratiSource sells stock-style bushings at a very affordable price, 
> > making them competitive with poly bushings.   I vastly prefer stock-style 
> > bushings for a variety of reasons.
> > 
> > Getting the old ones out is time-consuming and labor-intensive, but not 
> > especially difficult.   Using a sawzall (you can use a hacksaw but it would 
> > take forever), you cut the large end off the bushing.   Then you use a 
> > just-large-enough deep well socket on one side, and a just-small-enough
> > socket on the other, put the whole affair in a vice and compress it; the
> > small socket should be small enough to fit inside the A-arm tube, and the
> > large one large enough to accept the bushing as it is pressed out of the
> > A-arm.
> > 
> > My wife Lori changed all 16 of her bushings herself, once the process was
> > demonstrated, so you can definitely do it too! :>)
> > 
> > Mike
> > 
> 
> 
> _______________________________________________
> 
> Detomaso Forum Managed by POCA
> Posted emails must not exceed 1.5 Megabytes
> DeTomaso mailing list
> DeTomaso at poca.com
> http://poca.com/mailman/listinfo/detomaso_poca.com
> 
> To manage your subscription (change email address, unsubscribe, etc.) use the links above.
 		 	   		  
-------------- next part --------------
   This begs the question are all the vendors polyurethane offerings the
   same? I have poly bushing and can't remember when I last greased
   everything, but never had any squeaks.

   Julian

   > From: demongusta at me.com
   > Date: Fri, 1 May 2015 01:22:05 -0700
   > To: mbefthomas at comcast.net
   > CC: deTomaso at POCA.com
   > Subject: Re: [DeTomaso] [POCA Forum] A-ARM BUSHINGS (Pantera
   Technical)
   >
   > Ah yes, life is but a trade-off. Stiff and squeaky or softer and
   quiet, The older you get, the more you like the latter.
   >
   > > On Apr 30, 2015, at 8:20 PM, Mike Thomas <mbefthomas at comcast.net>
   wrote:
   > >
   > > I have a set of the original style bushings, but as I'm running an
   offset
   > > set in the front for more caster, and the shims are all forward,
   I'd lose
   > > some of the caster by going back to the stock bushings.
   > >
   > > I am getting awfully tired of the squeaking . . . .
   > >
   > > Mike Thomas
   > >
   > > -----Original Message-----
   > > From: DeTomaso [mailto:detomaso-bounces at poca.com] On Behalf Of Mike
   Drew via
   > > DeTomaso
   > > Sent: Wednesday, April 29, 2015 2:12 PM
   > > To: demongusta at me.com; sjcarguy60 at yahoo.com
   > > Cc: deTomaso at POCA.com
   > > Subject: Re: [DeTomaso] [POCA Forum] A-ARM BUSHINGS (Pantera
   Technical)
   > >
   > >
   > > In a message dated 4/29/15 12 34 27, demongusta at me.com writes:
   > >
   > >
   > >> What is the main advantage of the Poly A-arm bushings? If they
   > >> are
   > >>> replaced with the stock rubber, I assume you would not have the
   > >>> squeaking, correct.
   > >>
   > >
   > >>>> Interesting--I never saw this original message, or John
   Donahue's
   > > response, or Dennis' response to that; the only thing that came
   through is
   > > John's
   > > subsequent reply. Is this something that bled over from a web-based
   forum
   > > perhaps?
   > >
   > > As to the question above--the principal selling point of poly
   bushings is
   > > that they offer less compliance (which is what bushings are for in
   the first
   > >
   > > place). They are favored by racers and autocrossers (back in the
   day, race
   > >
   > > Cobras came with solid metal bushings, yow!). The main advantage
   they
   > > used to have over factory bushings was greatly reduced cost.
   > >
   > > Drawbacks are many, however. As you mentioned, they can squeak
   something
   > > awful if they aren't properly (and routinely) lubricated. (People
   often
   > > fail to lube the outside ends of the bushings, which is where most
   of the
   > > squeaking happens). Too, they can deliver a somewhat harsher ride,
   and
   > > fail to
   > > absorb road shocks as well, transmitting them through the body
   instead.
   > >
   > > Now MaseratiSource sells stock-style bushings at a very affordable
   price,
   > > making them competitive with poly bushings. I vastly prefer
   stock-style
   > > bushings for a variety of reasons.
   > >
   > > Getting the old ones out is time-consuming and labor-intensive, but
   not
   > > especially difficult. Using a sawzall (you can use a hacksaw but it
   would
   > > take forever), you cut the large end off the bushing. Then you use
   a
   > > just-large-enough deep well socket on one side, and a
   just-small-enough
   > > socket on the other, put the whole affair in a vice and compress
   it; the
   > > small socket should be small enough to fit inside the A-arm tube,
   and the
   > > large one large enough to accept the bushing as it is pressed out
   of the
   > > A-arm.
   > >
   > > My wife Lori changed all 16 of her bushings herself, once the
   process was
   > > demonstrated, so you can definitely do it too! :>)
   > >
   > > Mike
   > >
   >
   >
   > _______________________________________________
   >
   > Detomaso Forum Managed by POCA
   > Posted emails must not exceed 1.5 Megabytes
   > DeTomaso mailing list
   > DeTomaso at poca.com
   > http://poca.com/mailman/listinfo/detomaso_poca.com
   >
   > To manage your subscription (change email address, unsubscribe, etc.)
   use the links above.


More information about the DeTomaso mailing list