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Re: [6pack] rear shock conversion

To: Ashford Little <ralittle2@mac.com>, Dick Taylor <taylorturbo6@yahoo.com>
Subject: Re: [6pack] rear shock conversion
From: Jim Jones via 6pack <6pack@autox.team.net>
Date: Sat, 16 May 2020 19:37:54 +0000 (UTC)
Cc: Mitchel Seff <ms6453@gmail.com>, 6pack Email List <6pack@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: 6pack@autox.team.net
References: <D9C0351D-B277-4242-83F0-8B3F50647B08@yahoo.com> <0F029935-B0BB-499D-80A1-16EE3F9E1CA5@gmail.com> <95F204D4-DACD-482E-822B-042F705A051A@yahoo.com> <E7AEFE49-3AD1-4E34-8CF8-86E9F17DD6D8@mac.com> CFNetwork/1125.2 Darwin/19.4.0
--===============5610963612866959560==
        boundary="----=_Part_197475_1856369492.1589657874239"

------=_Part_197475_1856369492.1589657874239
Content-Transfer-Encoding: quoted-printable

I=E2=80=99m chiming in later on this, but has anyone looked into the Reving=
ton coil over conversion?=C2=A0https://www.revingtontr.com/product/rtr3003s=
pk/name/damper-conversion-kit-rear-tr4a-6=C2=A0


Sent from Yahoo Mail for iPhone


On Saturday, May 16, 2020, 12:06 PM, Ashford Little via 6pack <6pack@autox.=
team.net> wrote:

Does any of this help with mental fatigue? =C2=A0

Ashford Littleralittle2@mac.com





On May 13, 2020, at 6:55 PM, Richard via 6pack <6pack@autox.team.net> wrote=
:
Ah Mitch....you cheated!!=20

Dick=20


On May 13, 2020, at 3:32 PM, Mitchel Seff <ms6453@gmail.com> wrote:

I agree with Dicks explanation of preparation and function. I=E2=80=99m not=
 denying the failures but rather try and understand why each particular fai=
lure happened. I have also had the VB tube shock bracket with KYB gas shock=
 on my car for over twenty years with out any failure or sign of metal fati=
gue. I also took the extra precaution of adding a support bracket.=20
<image0.jpeg>

<image1.jpeg>



Mitch Seff




On May 12, 2020, at 4:47 PM, Richard Taylor via 6pack <6pack@autox.team.net=
> wrote:

=EF=BB=BFMy message here, as told before on different TR6 forums, is that i=
f one wants to convert from lever shocks to tube shocks, it is prudent that=
 when the trailing arm rises the trailing arm bump stop(s) take the force, =
and not the shock attachment points. This can be checked by removing the ro=
ad spring and manual lifting the TA up to see where contact is made. In my =
case, when done approx. 10 years and around 70,000 miles ago. A 1/8 inch sp=
acer was added where it screws to the new TA bump rubbers. Also some shifti=
ng around to the shock bump rubbers, so that there was room left in the sho=
ck stroke when hard contact was made between the bump stop and the bump rub=
bers. Also note here that i=E2=80=99m running the =E2=80=9Csemi-comp=E2=80=
=9D road springs, so it=E2=80=99s not often that all of the spring compress=
ion takes place.=20
I write this not to defend the tube shock conversion, but to show that this=
 conversion needs to be checked out to be sure the above takes place. And n=
o, the attachment point from my conversion has never torn loose or welded a=
t any time. I do view this area each time the road wheel is removed for som=
e other reason.=20
So far as what I look for regarding shock operation is not all that scienti=
fic. Just press down with my weight on the rear fenders several times and w=
atch the action, I want both bounce and rebound to show a good damping effe=
ct.=20
In place is the KYB silver shock conversion, purchased from VB. (A birthday=
 gift from my bride of 30 years)=20

Dick=20

On May 12, 2020, at 7:56 AM, Glenn Franco via 6pack <6pack@autox.team.net> =
wrote:

The rear shock conversion sold by the likes of Moss Motors, TRF, Vicky Brit=
, and others is likely going to result in the shock crossmember being fract=
ured at the weld to the frame. I have fixed a few of these and this is a we=
ll known failure mode. The best practice if you are going to use these is t=
o fashion a diagonal brace from the upper shock mount 45 deg down to the fr=
ame. I have seen some made from angle but I made a number of these from 1" =
thick wall tube.
The problem with this conversion is its to simple to attach but it imparts =
fore aft loads on the crossmember that causes fractures and then if fails c=
ompletely and detaches from the frame.
The lever shocks do not cause fore aft loads and therefore no issues. We ju=
st had another club member suffer such a failure of the shock crossmember.
If you ever have to fix one of these your in for a treat since not only doe=
s it pull away from the frame but it tends to twist that crossmember.
This bracket should not be confused with the one TRF sold that the upper sh=
ock mount attaches to the inner rear wheel well. That one has its own issue=
s.
Good luck with that
Glenn
_______________________________________________
Archive: http://www.team.net/archive
6pack@autox.team.net
http://autox.team.net/mailman/listinfo/6pack
6@yahoo.com


_______________________________________________
Archive: http://www.team.net/archive

6pack@autox.team.net
http://autox.team.net/mailman/listinfo/6pack

nline.net



_______________________________________________
Archive: http://www.team.net/archive

6pack@autox.team.net
http://autox.team.net/mailman/listinfo/6pack

ac.com



_______________________________________________
Archive: http://www.team.net/archive

6pack@autox.team.net
http://autox.team.net/mailman/listinfo/6pack

oo.com





------=_Part_197475_1856369492.1589657874239
Content-Transfer-Encoding: quoted-printable

<html xmlns=3D"http://www.w3.org/1999/xhtml"; xmlns:v=3D"urn:schemas-microso=
ft-com:vml" xmlns:o=3D"urn:schemas-microsoft-com:office:office"><head><!--[=
if gte mso 9]><xml><o:OfficeDocumentSettings><o:AllowPNG/><o:PixelsPerInch>=
96</o:PixelsPerInch></o:OfficeDocumentSettings></xml><![endif]--></head><bo=
dy>
I=E2=80=99m chiming in later on this, but has anyone looked into the Reving=
ton coil over conversion?&nbsp;<a href=3D"https://www.revingtontr.com/produ=
ct/rtr3003spk/name/damper-conversion-kit-rear-tr4a-6" target=3D"_blank">htt=
ps://www.revingtontr.com/product/rtr3003spk/name/damper-conversion-kit-rear=
-tr4a-6</a>&nbsp;<div id=3D"temp-enhancr-placeholder" class=3D"enhancr-plac=
eholder-medium" data-size=3D"medium"></div><br><br><br><a href=3D"https://o=
verview.mail.yahoo.com/?.src=3DiOS">Sent from Yahoo Mail for iPhone</a><br>=
<br><p class=3D"yahoo-quoted-begin" style=3D"font-size: 15px; color: #715FF=
A; padding-top: 15px; margin-top: 0">On Saturday, May 16, 2020, 12:06 PM, A=
shford Little via 6pack &lt;6pack@autox.team.net&gt; wrote:</p><blockquote =
class=3D"iosymail"><div id=3D"yiv0325426009"><div>Does any of this help wit=
h mental fatigue? &nbsp;<br clear=3D"none" class=3D"yiv0325426009"><div cla=
ss=3D"yiv0325426009">
<span class=3D"yiv0325426009Apple-style-span" style=3D"color:rgb(0, 0, 0);f=
ont-family:Helvetica;font-style:normal;font-weight:normal;letter-spacing:no=
rmal;orphans:2;text-indent:0px;text-transform:none;white-space:normal;widow=
s:2;word-spacing:0px;border-collapse:separate;font-size:14px;line-height:no=
rmal;border-spacing:0px;"><span class=3D"yiv0325426009Apple-style-span" sty=
le=3D"border-collapse:separate;color:rgb(0, 0, 0);font-family:Helvetica;fon=
t-size:14px;font-style:normal;font-weight:normal;letter-spacing:normal;line=
-height:normal;orphans:2;text-indent:0px;text-transform:none;white-space:no=
rmal;widows:2;word-spacing:0px;border-spacing:0px;"></span></span><div clas=
s=3D"yiv0325426009" style=3D"word-wrap:break-word;"><div class=3D"yiv032542=
6009"><div class=3D"yiv0325426009"><span class=3D"yiv0325426009" style=3D"f=
ont-size:16px;"><br clear=3D"none" class=3D"yiv0325426009Apple-interchange-=
newline">Ashford Little</span></div><div class=3D"yiv0325426009" style=3D"f=
ont-size:16px;"><a rel=3D"nofollow" shape=3D"rect" class=3D"yiv0325426009" =
ymailto=3D"mailto:ralittle2@mac.com"; target=3D"_blank" href=3D"mailto:ralit=
tle2@mac.com">ralittle2@mac.com</a></div><div class=3D"yiv0325426009"><br c=
lear=3D"none" class=3D"yiv0325426009"></div></div><br clear=3D"none" class=
=3D"yiv0325426009"></div><br clear=3D"none" class=3D"yiv0325426009Apple-int=
erchange-newline"><br clear=3D"none" class=3D"yiv0325426009Apple-interchang=
e-newline" style=3D"color:rgb(0, 0, 0);font-family:Helvetica;font-size:16px=
;font-style:normal;font-weight:normal;letter-spacing:normal;orphans:2;text-=
indent:0px;text-transform:none;white-space:normal;widows:2;word-spacing:0px=
;">
</div>
<div style=3D""><br clear=3D"none" class=3D"yiv0325426009"><blockquote clas=
s=3D"yiv0325426009" type=3D"cite"><div class=3D"yiv0325426009yqt9068940614"=
 id=3D"yiv0325426009yqtfd87528"><div class=3D"yiv0325426009">On May 13, 202=
0, at 6:55 PM, Richard via 6pack &lt;<a rel=3D"nofollow" shape=3D"rect" cla=
ss=3D"yiv0325426009" ymailto=3D"mailto:6pack@autox.team.net"; target=3D"_bla=
nk" href=3D"mailto:6pack@autox.team.net";>6pack@autox.team.net</a>&gt; wrote=
:</div><br clear=3D"none" class=3D"yiv0325426009Apple-interchange-newline">=
</div><div class=3D"yiv0325426009"><div class=3D"yiv0325426009"><div class=
=3D"yiv0325426009yqt9068940614" id=3D"yiv0325426009yqtfd38563">Ah Mitch....=
you cheated!! <br clear=3D"none" class=3D"yiv0325426009"><br clear=3D"none"=
 class=3D"yiv0325426009">Dick <br clear=3D"none" class=3D"yiv0325426009"><b=
r clear=3D"none" class=3D"yiv0325426009"><blockquote class=3D"yiv0325426009=
" type=3D"cite">On May 13, 2020, at 3:32 PM, Mitchel Seff &lt;<a rel=3D"nof=
ollow" shape=3D"rect" class=3D"yiv0325426009" ymailto=3D"mailto:ms6453@gmai=
l.com" target=3D"_blank" href=3D"mailto:ms6453@gmail.com";>ms6453@gmail.com<=
/a>&gt; wrote:<br clear=3D"none" class=3D"yiv0325426009"><br clear=3D"none"=
 class=3D"yiv0325426009">I agree with Dicks explanation of preparation and =
function. I=E2=80=99m not denying the failures but rather try and understan=
d why each particular failure happened. I have also had the VB tube shock b=
racket with KYB gas shock on my car for over twenty years with out any fail=
ure or sign of metal fatigue. I also took the extra precaution of adding a =
support bracket. <br clear=3D"none" class=3D"yiv0325426009">&lt;image0.jpeg=
&gt;<br clear=3D"none" class=3D"yiv0325426009"><br clear=3D"none" class=3D"=
yiv0325426009">&lt;image1.jpeg&gt;<br clear=3D"none" class=3D"yiv0325426009=
"><br clear=3D"none" class=3D"yiv0325426009"><br clear=3D"none" class=3D"yi=
v0325426009"><br clear=3D"none" class=3D"yiv0325426009">Mitch Seff<br clear=
=3D"none" class=3D"yiv0325426009"><br clear=3D"none" class=3D"yiv0325426009=
"><blockquote class=3D"yiv0325426009" type=3D"cite"><blockquote class=3D"yi=
v0325426009" type=3D"cite"><blockquote class=3D"yiv0325426009" type=3D"cite=
">On May 12, 2020, at 4:47 PM, Richard Taylor via 6pack &lt;<a rel=3D"nofol=
low" shape=3D"rect" class=3D"yiv0325426009" ymailto=3D"mailto:6pack@autox.t=
eam.net" target=3D"_blank" href=3D"mailto:6pack@autox.team.net";>6pack@autox=
.team.net</a>&gt; wrote:<br clear=3D"none" class=3D"yiv0325426009"></blockq=
uote>=EF=BB=BFMy message here, as told before on different TR6 forums, is t=
hat if one wants to convert from lever shocks to tube shocks, it is prudent=
 that when the trailing arm rises the trailing arm bump stop(s) take the fo=
rce, and not the shock attachment points. This can be checked by removing t=
he road spring and manual lifting the TA up to see where contact is made. I=
n my case, when done approx. 10 years and around 70,000 miles ago. A 1/8 in=
ch spacer was added where it screws to the new TA bump rubbers. Also some s=
hifting around to the shock bump rubbers, so that there was room left in th=
e shock stroke when hard contact was made between the bump stop and the bum=
p rubbers. Also note here that i=E2=80=99m running the =E2=80=9Csemi-comp=
=E2=80=9D road springs, so it=E2=80=99s not often that all of the spring co=
mpression takes place. <br clear=3D"none" class=3D"yiv0325426009">I write t=
his not to defend the tube shock conversion, but to show that this conversi=
on needs to be checked out to be sure the above takes place. And no, the at=
tachment point from my conversion has never torn loose or welded at any tim=
e. I do view this area each time the road wheel is removed for some other r=
eason. <br clear=3D"none" class=3D"yiv0325426009">So far as what I look for=
 regarding shock operation is not all that scientific. Just press down with=
 my weight on the rear fenders several times and watch the action, I want b=
oth bounce and rebound to show a good damping effect. <br clear=3D"none" cl=
ass=3D"yiv0325426009">In place is the KYB silver shock conversion, purchase=
d from VB. (A birthday gift from my bride of 30 years) <br clear=3D"none" c=
lass=3D"yiv0325426009"><br clear=3D"none" class=3D"yiv0325426009">Dick <br =
clear=3D"none" class=3D"yiv0325426009"><blockquote class=3D"yiv0325426009" =
type=3D"cite">On May 12, 2020, at 7:56 AM, Glenn Franco via 6pack &lt;<a re=
l=3D"nofollow" shape=3D"rect" class=3D"yiv0325426009" ymailto=3D"mailto:6pa=
ck@autox.team.net" target=3D"_blank" href=3D"mailto:6pack@autox.team.net";>6=
pack@autox.team.net</a>&gt; wrote:<br clear=3D"none" class=3D"yiv0325426009=
"></blockquote>The rear shock conversion sold by the likes of Moss Motors, =
TRF, Vicky Brit, and others is likely going to result in the shock crossmem=
ber being fractured at the weld to the frame. I have fixed a few of these a=
nd this is a well known failure mode. The best practice if you are going to=
 use these is to fashion a diagonal brace from the upper shock mount 45 deg=
 down to the frame. I have seen some made from angle but I made a number of=
 these from 1" thick wall tube.<br clear=3D"none" class=3D"yiv0325426009">T=
he problem with this conversion is its to simple to attach but it imparts f=
ore aft loads on the crossmember that causes fractures and then if fails co=
mpletely and detaches from the frame.<br clear=3D"none" class=3D"yiv0325426=
009">The lever shocks do not cause fore aft loads and therefore no issues. =
We just had another club member suffer such a failure of the shock crossmem=
ber.<br clear=3D"none" class=3D"yiv0325426009">If you ever have to fix one =
of these your in for a treat since not only does it pull away from the fram=
e but it tends to twist that crossmember.<br clear=3D"none" class=3D"yiv032=
5426009">This bracket should not be confused with the one TRF sold that the=
 upper shock mount attaches to the inner rear wheel well. That one has its =
own issues.<br clear=3D"none" class=3D"yiv0325426009">Good luck with that<b=
r clear=3D"none" class=3D"yiv0325426009">Glenn<br clear=3D"none" class=3D"y=
iv0325426009">_______________________________________________<br clear=3D"n=
one" class=3D"yiv0325426009">Support <a rel=3D"nofollow" shape=3D"rect" cla=
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