[DeTomaso] Chassis
Charles Engles
cengles at cox.net
Sat Aug 19 12:54:35 EDT 2017
Dear Joe,
My mistake. Sphere bars/balls are for mounting the ends of the sway bars to the lower arm. They have nothing to do with A-arm bushings.
Warmest regards, Chuck Engles
-----Original Message-----
From: DeTomaso [mailto:detomaso-bounces at server.detomasolist.com] On Behalf Of Joseph F. Byrd, Jr.
Sent: Saturday, August 19, 2017 9:42 AM
To: detomaso at server.detomasolist.com
Subject: Re: [DeTomaso] Chassis
Is there an spherical ball design that can be installed into the existing A-Arms? Is there an illustration of how it stacks?
I have look into spec'ing components for such a design (attached)
-----Original Message-----
From: cengles at cox.net [mailto:cengles at cox.net]
Sent: Saturday, August 19, 2017 10:12 AM
To: steve at snclocks.com
Cc: byrdjf at embarqmail.com; detomaso at server.detomasolist.com
Subject: Re: [DeTomaso] Chassis
Dear Stephen and Joe and John,
I believe the best option is to install the Sphere Ball/Bar sway bar mounts available from Pantera Performance Center, Pantera Parts Connection and other vendors. It seems to be the best upgrade to slightly imperfect 1970-era engineering.
Warmest regards, Chuck Engles
On Sat, Aug 19, 2017 at 9:02 AM, Stephen Nelson wrote:
> Wow - that is a novel thought - leave suspension bolts looser than
> spec'd by the manufacturer. Wow. If I were you I would talk to
> Dennis at Pantera Performance. And then I'd polish the inside of the
> A-arm ends where the bushings are meant to rotate and tighten to
> design specs.
>
> Just my thoughts...
>
> Stephen
>
> -----Original Message-----
> From: DeTomaso [mailto:detomaso-bounces at server.detomasolist.com] On
> Behalf Of Joseph F. Byrd, Jr.
> Sent: Saturday, August 19, 2017 6:01 AM
> To: detomaso at server.detomasolist.com
> Subject: Re: [DeTomaso] Chassis
>
> I should not question the design of others for a case where I have no
> experience, BUT my observation of a design that allows structural
> members ( the through bolt and side tabs) to have freedom would
> eventually allow the bolt to "beat out" the hole in the tabs and
> "notch" the bolt shank.
>
> The use of a sleeve so the bolt can be securely tighten, allowing
> rotation between sleeve/bushing AND limiting the amount of compression
> of the bushing
> faces. Even this improvement still uses a structural member (the
> tabs) to
> be a wear surface. Adding flange faces to the sleeves would then
> contain all "wearing" to replaceable components.
>
> Joe
>
> -----Original Message-----
> From: DeTomaso [mailto:detomaso-bounces at server.detomasolist.com] On
> Behalf Of John McKee
> Sent: Saturday, August 19, 2017 1:51 AM
> To: 'Mike Drew'; 'Larry Weston'
> Cc: detomaso at server.detomasolist.com
> Subject: Re: [DeTomaso] Chassis
>
> I am not certain what the design intent of the stock rubber bushing
> was but I think the poly bushings are intended to act like a thrust
> bearing if I understand that term correctly. The suspension mounting
> tabs pinch down on the radial end surface of the bushing something
> like an old time friction shock. Yes the bushing could spin on the
> shaft but the main movement or path of least resistance should be at
> the ends.
> I had Dick Drenske make me a set of bushings out of Delrin and he told
> me to coat the ends with anti-seize as that was the surface you want
> to have moving. Much like the shocks, you do not want to over tighten
> the tabs so he had me use new nylock nuts and tighten to 20 ft.lbs. I
> also polished the mounting tab surfaces smooth and gave them a light
> coat of sacrificial paint to keep the rust off before adding a liberal
> amount of anti-seize.
> I have yet to complete my car and put any miles on them but I know he
> had made Delrin bushings for his convertible Longchamp (beautiful car)
> and he also put a set on the front end of Dawg's Phoenix.
>
> John
>
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