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I've used nylon and urethane--which may be what 'prothane' is--over the
years on my BJ8. In general, they do what you'd expect; i.e. stiffen things
up (and they should last forever). There are two potential drawbacks: they
may squeek, and making one part of a suspension more rigid puts a greater
load on related parts. Urethane or nylon sway bar bushes will put a somewhat
greater load on your end links. When I put the urethane bushes in, however,
I also added a thicker sway bar, uprated end links and urethane bushes on
the links. I don't remember the order of installation, but IIRC when I added
the sway bar, before the uprated end links, I broke an end link (it snapped
at the thread). FWIW, when I added the larger sway bar, plus uprated links
and bushes, I felt the car stayed flatter in corners.
>> Same experience here. I put on the next size up anti-roll bar(!), "rose"
end links and poly bushes. No squeaks, no visible wear and a flatter ride.
(Are they called "rose" links? Seem to remember the odd name..)
I got the sway bar and end links from Addco, don't recall where I got the
bushes.
>>Don't recall where I got my bits. Probably Cape who was then my preferred
supplier. But, since they've been in situ for +/- 20 years, I doubt that the
manufacturer or supplier is relevant. If I had to do it again, I'd still go
with poly. Ditto the front suspension bushes.
Simon
They do squeek a little; a fellow on this list has gone so far as to add
zerks on his A-arm bushes to prevent squeeks (I think some will squeek
eventually, regardless of manufacturer claims).
Bob
wrote:
When I replaced the busing 30 plus years ago, the only thing available was
rubber. I am missing one and the others are cracked, so time to replace.
Now Moss has Prothane bushings. I seem to recall that there was a
discussion that the Poly bushes do not last. What is the consensus of
opinion rubber or poly.
Bob Begani
67 BJ8
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vlink=3Dpurple style=3D'word-wrap:break-word'><div =
class=3DWordSection1><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'>I've used nylon and urethane--which may =
be what 'prothane' is--over the years on my BJ8. In general, they do =
what you'd expect; i.e. stiffen things up (and<i> </i>they<i> should</i> =
last forever). There are two potential drawbacks: they may squeek, and =
making one part of a suspension more rigid puts a greater load on =
related parts. Urethane or nylon sway bar bushes will put a somewhat =
greater load on your end links. When I put the urethane bushes in, =
however, I also added a thicker sway bar, uprated end links and urethane =
bushes on the links. I don't remember the order of installation, but =
IIRC when I added the sway bar, before the uprated end links, I broke an =
end link (it snapped at the thread). FWIW, when I added the larger sway =
bar, plus uprated links and bushes, I felt the car stayed flatter in =
corners.<o:p></o:p></p><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'>>> Same experience here. I put on =
the next size up anti-roll bar(!), “rose” end links and poly =
bushes. No squeaks, no visible wear and a flatter ride. (Are they called =
“rose” links? Seem to remember the odd =
name..)<o:p></o:p></p><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'><br>I got the sway bar and end links from =
Addco, don't recall where I got the bushes.<o:p></o:p></p><p =
class=3DMsoNormal style=3D'margin-bottom:12.0pt'>>>Don’t =
recall where I got my bits. Probably Cape who was then my preferred =
supplier. But, since they’ve been in situ for +/- 20 years, I =
doubt that the manufacturer or supplier is relevant. If I had to do it =
again, I’d still go with poly. Ditto the front suspension =
bushes.<o:p></o:p></p><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'>Simon<o:p></o:p></p><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'><o:p> </o:p></p><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'> They do squeek a little; a fellow on =
this list has gone so far as to add zerks on his A-arm bushes to prevent =
squeeks (I think some will squeek eventually, regardless of manufacturer =
claims).<br><br>Bob<br><br><o:p></o:p></p><div><p class=3DMsoNormal>On =
10/29/2020 7:37 AM, <a =
href=3D"mailto:rfbegani@gmail.com";>rfbegani@gmail.com</a> =
wrote:<o:p></o:p></p></div><blockquote =
style=3D'margin-top:5.0pt;margin-bottom:5.0pt'><p =
class=3DMsoNormal><span =
style=3D'font-size:12.0pt;font-family:"Arial",sans-serif'>When I =
replaced the busing 30 plus years ago, the only thing available was =
rubber. I am missing one and the others are cracked, so time to =
replace. Now Moss has Prothane bushings. I seem to recall =
that there was a discussion that the Poly bushes do not last. What =
is the consensus of opinion rubber or poly.</span><o:p></o:p></p><p =
class=3DMsoNormal><span =
style=3D'font-size:12.0pt;font-family:"Arial",sans-serif'> </span><o=
:p></o:p></p><p class=3DMsoNormal><span =
style=3D'font-size:12.0pt;font-family:"Arial",sans-serif'>Bob =
Begani</span><o:p></o:p></p><p class=3DMsoNormal><span =
style=3D'font-size:12.0pt;font-family:"Arial",sans-serif'>67 =
BJ8</span><o:p></o:p></p><p =
class=3DMsoNormal><o:p> </o:p></p></blockquote><p =
class=3DMsoNormal><o:p> </o:p></p></div></body></html>
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