[DeTomaso] Chassis

[Charles Engles]

Dear Mike,


                   My bad.  Insufficient coffee before responding.

                                    Mortified,  Chuck Engles



-----Original Message-----
From: Mike Drew [mailto:MikeLDrew at aol.com] 
Sent: Saturday, August 19, 2017 10:25 AM
To: cengles at cox.net
Cc: steve at snclocks.com; detomaso at server.detomasolist.com
Subject: Re: [DeTomaso] Chassis

Chuck,

The rest of us are talking about A-arm bushings. Nary a word about sway bar
bushings. 

Although I happen to agree with you...:)

Mike

Sent from my iPad

> On Aug 19, 2017, at 07:12, cengles at cox.net wrote:
> 
> 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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>> 
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> 
> 
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