[DeTomaso] [POCA Forum] A-ARM BUSHINGS (Pantera Technical)
Larry - Ohio Time
Larry at ohiotimecorp.com
Fri May 1 10:28:31 EDT 2015
<< Stiff and squeaky or softer and quiet>>
A part of aging we must all put up with...
Larry (still squeaky) - Cleveland
-----Original Message-----
From: DeTomaso [mailto:detomaso-bounces at poca.com] On Behalf Of John Donahue
Sent: Friday, May 01, 2015 4:22 AM
To: Mike Thomas
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
>
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