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A friend of mine had an odd vib, on a whim he swapped the drums and
yeah it went away.
A.
On 15-Sep-08, at 9:20 PM, JHOUATHOME@aol.com wrote:
> Greg,
> My TR4 used to have a similar mystery vibration, which in the end,
> after much frustrating searching over many events, turned out to be
> an out of balance rear brake drum. Stupid, I know. I had also been
> through several attempts to balance wheels, replace wheels, and
> balance everything else, and simply never thought of those old iron
> drums. I swapped them out and never had the problem again. The
> strangest thing about it was that the problem seemed to be
> intermittent, and would crop-up with no pattern that I could figure
> out. In the end, that was it though. Upon more careful
> consideration I realized that it was only happening at Road America,
> the Glen, and BIR, all pretty fast places. I was delighted to
> figure it out. Hope this is your problem, and not something more
> expensive!
>
> Good Luck,
> John Houlton
>
> In a message dated 9/15/2008 7:57:35 P.M. Central Daylight Time,
>lunkercars@earthlink.net
> writes:
> Hello all,
> Beaten by equipment...
> My previous posting from Brainard quoted the common wisdom "you
> gotta' finish to win". Well, I was reminded that you gotta' start to
> finish. Sunday at Brainard shaped up to be what I would call "ideal
> conditions"... cold, wet and basically miserable enough that only
> fools/idiots/& the die-hards like me [3 in 1] would dare go out -
> perfect. Not sure if excessive oil pressure from the 40ish temp on my
> 20W50 caused it [doubtful] or if it was just it's time, but upon
> startup for the sunday race the oil cooler chose to rupture in the
> pits and that was the end of that. Could have by-passed it for the
> next race but it was canceled due to conditions too perfect for me to
> even imagine. Oh well - finding out that the top 4 finishers behind
> me on saturday are all ice racers boosted my ego enough and knowing
> that they were all gunning for me might not have made sunday quite as
> enjoyable as saturday.
> Interesting to note that that although I do buy better that 50% of my
> perts from Moss, 100% of my failures have been from parts they have
> supplied. Once again, my cheepo nature has proven to be false
> economy and bitten me in the butt.
> Now on to good vibrations and bad vibrations. The Beach Boys told us
> about the good ones but some aren't and never will be. First time I
> ever felt the bad one was at Watkins Glen. It may well have existed
> before but my car has never been on a track that fast. So far as my
> butt and brain can tell, it doesn't come on until somewhere beyond
> 100mph. After getting the driveshaft straightened last week I thought
> I had surely got to the problem. First couple sessions at Brainard
> felt good but that proved to be a combination of wishful thinking and
> not going fast enough. It's still there. For a time at The Glen and
> again at Brainard I almost convinced myself that it was 4th gear only
> but I am now pretty sure that it is only dependent on road speed -
> i.e., it's felt near redline in 3rd and only gets worse as 4th
> progresses. Scared the speed right out of me the first time I felt it
> come on, but after many teeth grinding laps with nothing coming thru
> the block [convinced it's not engine related], the trans. case, or
> thru the floor, I've lived with it thru the last two races. Doesn't
> mean I like it and that combined with a bum oil cooler, moody starter
> [thanks again Moss Motors] and exorbitant entry fees, will likely
> keep me from going to Road America.
> Any Ideas? The drive-shaft straightening didn't seem to do anything.
> I've run it on 3 different sets of tires and wheels, so that's not
> it. U-joints are fine [by all appearances], can't find any slop in
> the trans. output shaft or the diff, input [pinion] shaft nor any run-
> out on the input shaft flange or axles. Defiantly not coming from
> the front as it is not transmitted thru the steering wheel. Rear axle
> bearings seem to be in fine shape.
> The engine is fresh and in good balance. The trans. is new to me
> [close ratio in a TR6 case] but no recognized problems from the
> previous FoT owner. I have given the original, stock, open. 3.70
> differential a hard life since it's early retirement but I still
> can't see how that would figure in. The only unknown is my frozen
> axle shafts... As part of my recent "freshening", I sent the crank
> shaft [more on that later], stub axles, front hubs, rear hubs and
> half shafts to Controlled Thermal Processing [http://metal-wear.com]
> to be cryogenically frozen [-300f/+300f in a 68 hour process]. Being
> unknown voodoo, I'm creating a scenario where the axle[s] have a bow
> in it [them] causing a imbalance, causing the vibration but not
> detectable from the flange end - not very likely but I'm grasping at
> straws here [oh yea, I'm still in the mid-west so it must be corn].
> Please believe me, at this point I am willing to consider any ideas
> regardless how far fetched. And maybe one [some] of you know what I'm
> feeling and have the spot-on answer.
>
> Greg "Lunker" Hilyer
> TR4 #314
> Albuquerque NM
>
> _______________________________________________
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>
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>
>
>
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> the latest fall trends and hair styles at StyleList.com.
> _______________________________________________
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>
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--
Andre Rousseau - andre@gt6.ca
'68 Triumph GT6 MK1 - http://www.gt6.ca/
Ottawa, ON, Canada
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<html><body style=3D"word-wrap: break-word; -webkit-nbsp-mode: space; =
-webkit-line-break: after-white-space; "><div>A friend of mine had an =
odd vib, on a whim he swapped the drums and yeah it went =
away.</div><div><br></div><div>A.</div><div><br></div><br><div><div>On =
15-Sep-08, at 9:20 PM, <a =
href=3D"mailto:JHOUATHOME@aol.com">JHOUATHOME@aol.com</a> =
wrote:</div><br class=3D"Apple-interchange-newline"><blockquote =
type=3D"cite"> <div id=3D"role_body" style=3D"FONT-SIZE: 10pt; COLOR: =
#000000; FONT-FAMILY: Arial" bottommargin=3D"7" leftmargin=3D"7" =
topmargin=3D"7" rightmargin=3D"7"><font id=3D"role_document" =
face=3D"Arial" color=3D"#000000" size=3D"2"> <div>Greg, </div> <div>My =
TR4 used to have a similar mystery vibration, which in the end, after =
much frustrating searching over many events, turned out to be an out of =
balance rear brake drum. Stupid, I know. I had also =
been through several attempts to balance wheels, replace wheels, and =
balance everything else, and simply never thought of those old iron =
drums. I swapped them out and never had the problem again. =
The strangest thing about it was that the problem seemed to be =
intermittent, and would crop-up with no pattern that I could figure =
out. In the end, that was it though. Upon more careful =
consideration I realized that it was only happening at Road America, the =
Glen, and BIR, all pretty fast places. I was delighted to figure =
it out. Hope this is your problem, and not something more =
expensive!</div> <div> </div> <div>Good Luck,</div> <div>John =
Houlton</div> <div> </div> <div> <div>In a message dated 9/15/2008 =
7:57:35 P.M. Central Daylight Time, <a =
href=3D"mailto:lunkercars@earthlink.net">lunkercars@earthlink.net</a> =
writes:</div> <blockquote style=3D"PADDING-LEFT: 5px; MARGIN-LEFT: 5px; =
BORDER-LEFT: blue 2px solid"><font style=3D"BACKGROUND-COLOR: =
transparent" face=3D"Arial" color=3D"#000000" size=3D"2">Hello =
all,<br>Beaten by equipment...<br>My previous posting from Brainard =
quoted the common wisdom "you <br>gotta' finish to win". Well, I =
was reminded that you gotta' start to <br>finish. Sunday at =
Brainard shaped up to be what I would call "ideal =
<br>conditions"... cold, wet and basically miserable enough that =
only <br>fools/idiots/& the die-hards like me [3 in 1] would =
dare go out - <br>perfect. Not sure if excessive oil pressure from =
the 40ish temp on my <br>20W50 caused it [doubtful] or if it was =
just it's time, but upon <br>startup for the sunday race the oil =
cooler chose to rupture in the <br>pits and that was the end of =
that. Could have by-passed it for the <br>next race but it was =
canceled due to conditions too perfect for me to <br>even =
imagine. Oh well - finding out that the top 4 finishers behind =
<br>me on saturday are all ice racers boosted my ego enough and =
knowing <br>that they were all gunning for me might not have =
made sunday quite as <br>enjoyable as saturday.<br>Interesting to =
note that that although I do buy better that 50% of my <br>perts =
from Moss, 100% of my failures have been from parts they have =
<br>supplied. Once again, my cheepo nature has proven to be =
false <br>economy and bitten me in the butt.<br>Now on to =
good vibrations and bad vibrations. The Beach Boys told us =
<br>about the good ones but some aren't and never will be. First time =
I <br>ever felt the bad one was at Watkins Glen. It may well =
have existed <br>before but my car has never been on a track =
that fast. So far as my <br>butt and brain can tell, it doesn't =
come on until somewhere beyond <br>100mph. After getting the =
driveshaft straightened last week I thought <br>I had surely got =
to the problem. First couple sessions at Brainard <br>felt good =
but that proved to be a combination of wishful thinking and =
<br>not going fast enough. It's still there. For a time at The Glen =
and <br>again at Brainard I almost convinced myself that it was =
4th gear only <br>but I am now pretty sure that it is only =
dependent on road speed - <br>i.e., it's felt near redline in =
3rd and only gets worse as 4th <br>progresses. Scared the speed =
right out of me the first time I felt it <br>come on, but after =
many teeth grinding laps with nothing coming thru <br>the block =
[convinced it's not engine related], the trans. case, or <br>thru =
the floor, I've lived with it thru the last two races. Doesn't =
<br>mean I like it and that combined with a bum oil cooler, moody =
starter <br>[thanks again Moss Motors] and exorbitant entry =
fees, will likely <br>keep me from going to Road America.<br>Any =
Ideas? The drive-shaft straightening didn't seem to do anything. =
<br>I've run it on 3 different sets of tires and wheels, so that's =
not <br>it. U-joints are fine [by all appearances], can't find =
any slop in <br>the trans. output shaft or the diff, input =
[pinion] shaft nor any run- <br>out on the input shaft flange or =
axles. Defiantly not coming from <br>the front as it is not =
transmitted thru the steering wheel. Rear axle <br>bearings seem =
to be in fine shape.<br>The engine is fresh and in good balance. The =
trans. is new to me <br>[close ratio in a TR6 case] but no =
recognized problems from the <br>previous FoT owner. I have =
given the original, stock, open. 3.70 <br>differential a hard =
life since it's early retirement but I still <br>can't see how =
that would figure in. The only unknown is my frozen <br>axle =
shafts... As part of my recent "freshening", I sent the crank =
<br>shaft [more on that later], stub axles, front hubs, rear hubs =
and <br>half shafts to Controlled Thermal Processing [<a =
href=3D"http://metal-wear.com">http://metal-wear.com</a>] <br>to =
be cryogenically frozen [-300f/+300f in a 68 hour process]. =
Being <br>unknown voodoo, I'm creating a scenario where the =
axle[s] have a bow <br>in it [them] causing a imbalance, causing =
the vibration but not <br>detectable from the flange end - not =
very likely but I'm grasping at <br>straws here [oh yea, I'm =
still in the mid-west so it must be corn].<br>Please believe me, at this =
point I am willing to consider any ideas <br>regardless how far =
fetched. And maybe one [some] of you know what I'm <br>feeling =
and have the spot-on answer.<br><br>Greg "Lunker" Hilyer<br>TR4 =
#314<br>Albuquerque NM <br> =
<br>_______________________________________________<br><a =
href=3D"http://www.team.net/donate.html">http://www.team.net/donate.html</=
a><br><br>Fot mailing =
list<br>Fot@autox.team.net<br>http://autox.team.net/mailman/listinfo/fot<b=
r><br></font></blockquote></div></font><br><br><br><div><font =
style=3D"color: black; font: normal 10pt ARIAL, SAN-SERIF;"><hr =
style=3D"MARGIN-TOP: 10px">Psssst...Have you heard the news? <a =
title=3D"http://www.stylelist.com/trends?ncid=3Daolsty00050000000014" =
href=3D"http://www.stylelist.com/trends?ncid=3Daolsty00050000000014" =
target=3D"_blank">There's a new fashion blog, plus the latest fall =
trends and hair styles at StyleList.com</a>.</font></div></div> =
_______________________________________________<br><a =
href=3D"http://www.team.net/donate.html">http://www.team.net/donate.html</=
a><br><br>Fot mailing =
list<br>Fot@autox.team.net<br>http://autox.team.net/mailman/listinfo/fot<b=
r><br></blockquote></div><br><div apple-content-edited=3D"true"> <span =
class=3D"Apple-style-span" style=3D"border-collapse: separate; color: =
rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: =
normal; font-variant: normal; font-weight: normal; letter-spacing: =
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auto; -webkit-text-stroke-width: 0; "><div style=3D"word-wrap: =
break-word; -webkit-nbsp-mode: space; -webkit-line-break: =
after-white-space; "><span class=3D"Apple-style-span" =
style=3D"border-collapse: separate; color: rgb(0, 0, 0); font-family: =
Helvetica; font-size: 12px; font-style: normal; font-variant: normal; =
font-weight: normal; letter-spacing: normal; line-height: normal; =
orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; =
widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; =
-webkit-border-vertical-spacing: 0px; =
-webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: =
auto; -webkit-text-stroke-width: 0px; "><div><div style=3D"word-wrap: =
break-word; -webkit-nbsp-mode: space; -webkit-line-break: =
after-white-space; "><div style=3D"margin-top: 0px; margin-right: 0px; =
margin-bottom: 0px; margin-left: 0px; ">--</div><div style=3D"margin-top: =
0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Andre =
Rousseau - <a href=3D"mailto:andre@gt6.ca">andre@gt6.ca</a></div><div=
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px; ">'68 Triumph GT6 MK1 - <a =
href=3D"http://www.gt6.ca/">http://www.gt6.ca/</a></div><div =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px; ">Ottawa, ON, =
Canada</div></div></div></span></div></span> </div><br></body></html>=
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