--===============5651396415905864181==
--000000000000f47f1806517af30c
Jonmac wrote:
=============
Sorry. What did I do wrong?
Jonmac
==================
- you couched it in a plethora of phraseology, but I read between the
lines: you dissed my Toyota.
On Sun, May 10, 2026, 2:11 p.m. <triumphs-request@autox.team.net> wrote:
> Send Triumphs mailing list submissions to
> triumphs@autox.team.net
>
> To subscribe or unsubscribe via the World Wide Web, visit
> http://autox.team.net/mailman/listinfo/triumphs
> or, via email, send a message with subject or body 'help' to
> triumphs-request@autox.team.net
>
> You can reach the person managing the list at
> triumphs-owner@autox.team.net
>
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of Triumphs digest..."
>
>
> Today's Topics:
>
> 1. Re: Speedometer cable repair kits -- any experience?
> (dave northrup)
> 2. Re: Rear axle oil - overall lubricants and new designs
> (John Macartney)
> 3. Re: Rear axle oil - overall lubricants and new designs
> (Mark Bradakis)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sat, 9 May 2026 19:24:38 +0000
> From: dave northrup <dave@ranteer.com>
> To: Frank Fisher <yellowtr3@yahoo.com>, Triumphs list
> <triumphs@autox.team.net>, Don Hiscock <don.hiscock@gmail.com>
> Subject: Re: [TR] Speedometer cable repair kits -- any experience?
> Message-ID: <07659a3ab1dc4a77b05bcc33986575ab@ranteer.com>
> Content-Type: text/plain; charset="utf-8"
>
> West valley will do that. They made a cable for me connecting a British
> Ford 5 speed transmission to an MGA speedo. Custom length and everything!
>
> From: Triumphs <triumphs-bounces@autox.team.net> On Behalf Of Frank Fisher
> Sent: Saturday, May 9, 2026 10:23 AM
> To: Triumphs list <triumphs@autox.team.net>; Don Hiscock <
> don.hiscock@gmail.com>
> Subject: Re: [TR] Speedometer cable repair kits -- any experience?
>
> there is a guy, or was some time ago who would make custom cables.
> for me he built a toyota to triumph cable.
> do i need to try and find him again for you?
>
> Frank
> southern california
>
>
> On Friday, May 8, 2026 at 08:40:33 PM PDT, Don Hiscock <
>
>
> The 8' overdrive speedometer cable on my TR3B broke at the drive end a few
> months ago and I'm looking at replacement/repair options.
>
>
> https://photos.smugmug.com/photos/i-gHQ6r2K/0/Kw43kwPvCn3hvxVCzrPkczV9fbgmfGBnXBfxprNXV/X5/i-gHQ6r2K-X5.jpg
>
> The silver-sheathed cables (the most authentic to the Smiths originals)
> formerly sold by TRF are out of stock and Albert reports his UK supplier
> went out of business unexpectedly, so with no alternative supplier they're
> not likely to come back anytime soon.
>
> Moss sell a 96" cable, but the housing is black. Certainly an option.
>
> Napa sell speedometer cable repair kits, with various length universal-fit
> inner cables and a simple sort of staking tool to attach a fitting to one
> end. The end fitting and staking tool are sold without the drive cable, as
> well.
>
> https://www.napaonline.com/en/p/BK_6151798
> https://www.napaonline.com/en/p/BK_6151823
>
> Has anyone used one of these? How to they work? It sorta looks like one
> cuts the cable to the right length and attaches the fitting, I'm guessing
> to the instrument end on our cars. Is that right? Are these a realistic
> repair option?
>
>
> Donate: http://www.team.net/donate.html
> Archive: http://www.team.net/pipermail/triumphs
> http://www.team.net/archive
>
> Unsubscribe/Manage:
> http://autox.team.net/mailman/options/triumphs/yellowtr3@yahoo.com
> -------------- next part --------------
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> >
>
> ------------------------------
>
> Message: 2
> Date: Sat, 9 May 2026 21:31:52 +0100
> From: John Macartney <johnbmacartney@gmx.com>
> To: Mark Bradakis <mark@bradakis.com>
> Cc: triumphs@autox.team.net
> Subject: Re: [TR] Rear axle oil - overall lubricants and new designs
> Message-ID: <A0C26FD1-9DF0-46E8-8B2B-FD93A452C1F9@gmx.com>
> Content-Type: text/plain; charset=utf-8
>
> Sorry. What did I do wrong?
>
> Jonmac
>
> > On 9 May 2026, at 07:49, Mark Bradakis <mark@bradakis.com> wrote:
> >
> > For some reason this was flagged by Mailman. No idea why.
> >
> > mjb.
> >
> > =========
> >
> > -----Original Message-----
> >
> > From: Triumphs <triumphs-bounces@autox.team.net> On Behalf Of John
> Macartney
> > Sent: Thursday, May 7, 2026 3:30 PM
> > Cc: triumphs@autox.team.net
> > Subject: [TR] Rear axle oil
> >
> > Had an early night after spending the day sorting old Standard-Triumph
> handbooks (among lots of other stuff) and have just checked the grade for
> Standard Vanguard and TR3/3A as both used the same axle. Factory
> recommended an 85W90 GL4 type Hypoy as offered by Shell, BP, Castrol,
> Duckhams, Texaco. IOW, a hyper lube type with an ultra high resistance to
> shear. Does the stuff you have offer the same lubricity properties? Never
> heard of it myself but most modern oils are a complete mystery to me
> anyway. Still can?t get used to the family daily driver only being allowed
> a 0w20 full synthetic. Pours like water!
> >
> > Jonmac
> >
> > =========
> >
> > Regarding the 0w20, I'd like to have a bit of a rant on today's
> mechanical designs.
> >
> > When we take a look at the longevity of the supposed "high technology"
> direct injection engines of today and over the past say 10-15 years, it is
> woefully clear that these driveline designs are not lasting. Sure, they
> provide performance and a lot of mpg per BHP per cc/cid, but all that tech
> designs have all sorts of problems.
> > Might that be from too thin oil? As a long time cross-discipline
> control system professional, the lubricants or use of improper spec
> lubricants may be a cause, but not entirely, as when you tear into these
> new tech engines, they are yes, mechanical marvels controlled by complex
> computer management, but also, mechanical nightmares more likely to
> self-destruct if a microparticle of contaminate invades the wrong internal
> spot, a sensor allows the wrong stuff to enter the engine somewhere or the
> coolant level drops because some plastic coolant manifold or connection has
> a weak spot and suddenly dumped all the coolant creating a high temp spike
> on the close tolerance components.
> >
> > We love the new tech performance, but at what cost?
> >
> > People slammed the Triumph Stag 2997 CC OHC V8 for its design "flaws"
> but when I dive into some of these newer engines there are strikingly
> similar designs copied, I have seen across many other engine manufacturers
> including GM, Mercedes, Toyota, Ford, JLR and others. One example is
> timing chains, OHC design, etc. Today's OHC engines, all of them, have
> issues with timing chain tensioners, guides, oil pumps which are manifested
> from engine designs over 75 years ago but cost cut even more and designed
> to very narrow performance limits and very close tolerance requirements.
> >
> > When I look at these newer high-performance engines, they all appear to
> have the same old issues: multiple simplex roller timing chains (some use
> internal rubber belts!!!) held in place by insufficiently designed guides
> and tensioners driving all sorts of internal components like oil/fuel/water
> pumps buried deep internally into the engine, variable valve timing,
> variable stroke, very high-pressure requirements for oil and fuel with
> electronics like solenoids and sensors operating in the component
> lubricants, and they all have significant design structural problems from
> material and cost scrimping and lack of real longevity whether they are
> petrol/gas or diesel.
> >
> > I have been looking at the various JLR newer models, and what incredible
> value can be had in say a Range Rover autobiography /SV/Dynamic/ that had
> cost 180k USD or far more, yet with a blown 5.0 liter engine, they are
> relatively worthless. To rebuild one of those 3.0 or 5.0 engines, have a
> look at some of the teardown and rebuilds of any modern direct injection
> engine and you will quickly see the engines are all completely disposable
> designs; materials are skimped in the blocks to save manufacturing time,
> weight and maximize cooling, but when they break, they self-destruct. Labor
> alone to tear down and reassemble is often more that the OEM cost of the
> entire engine, and the factory does not provide rebuild kits. What is a
> pound of engine webbing structural aluminum removed from a 600 bhp
> supercharged engine as an assembly or weight saving design on a 6000#
> weight vehicle? Maybe if designed for the track that amounts to a fraction
> of a second of speed, but a road vehicle?!?
> >
> > Lubricants:
> > Historically, the fact was, API / SAE lubricants designed for components
> were once supposed to increase the range of mechanical protections with new
> specifications as time went on, where today, a mechanical component may be
> designed only for one very narrow type of lubricant that was designed only
> for that unique application.
> >
> > The API/ SAE "meets or exceeds" statements must be carefully dissected
> to understand exactly what the lubricant use range and components
> lubricants are approved, which may take significant research.
> >
> > If you decide to use your "favorite brand" oil or coolant in a modern
> driveline component not certified for use in that narrow design, you might
> be unknowingly starting the self-destruction timer.
> >
> > So, to answer the question for our old and very reliable vehicles, BEGIN
> with the Owner's Manual / Factory Manual specification for your lubricants
> in and on your components as they were designed by the manufacturer, and if
> that type of lubricant is not available, look and understand what and why
> it was replaced with a later API/SAE tested lubricant that "should" add
> increased protection in that application.
> > AVOID AT ALL COSTS, "my buddies or I uses this and swears by it..." I
> typically do not trust my local parts shoppe counter person for lubricant
> recommendation unless that counter person was once a master mechanic or
> factory trained tech, that being rare. There are reams of Technical
> Service Bulletins where the factory engineers got it wrong too, only
> discovered during or after warranty periods.
> > Lubrication is its own science, but if you read the specs, you will get
> the limitations and also the mechanics tales for snake oil.
> >
> > Caveat Emptor ya'll.
> >
> > Glenn a.k.a. StagByTriumph
> >
> >
> >
>
>
>
> ------------------------------
>
> Message: 3
> Date: Sat, 9 May 2026 15:14:12 -0600
> From: Mark Bradakis <mark@bradakis.com>
> To: triumphs@autox.team.net
> Subject: Re: [TR] Rear axle oil - overall lubricants and new designs
> Message-ID: <e8e347f3-7274-46b9-83bf-01e8a76849d6@bradakis.com>
> Content-Type: text/plain; charset=UTF-8; format=flowed
>
> On 5/9/26 2:31 PM, John Macartney wrote:
> > Sorry. What did I do wrong?
> >
>
> Your message went through just fine. It was Glenn's reply that got hung
> up for some unknown reason.
>
> mjb.
>
>
>
> ------------------------------
>
> Subject: Digest Footer
>
> _______________________________________________
>
> Triumphs mailing list
> Triumphs@autox.team.net
> http://autox.team.net/mailman/listinfo/triumphs
>
>
> ------------------------------
>
> End of Triumphs Digest, Vol 19, Issue 88
> ****************************************
>
--000000000000f47f1806517af30c
Content-Transfer-Encoding: quoted-printable
<div dir=3D"auto"><span style=3D"font-size:12.8px;background-color:rgb(246,=
250,255)">Jonmac wrote:</span><div dir=3D"auto">=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D<br style=3D"font-size:12.8px;background-color:rgb(246,250,255)=
"><span style=3D"font-size:12.8px;background-color:rgb(246,250,255)">Sorry.=
What did I do wrong?</span><br style=3D"font-size:12.8px;background-color:=
rgb(246,250,255)"><br style=3D"font-size:12.8px;background-color:rgb(246,25=
0,255)"><span style=3D"font-size:12.8px;background-color:rgb(246,250,255)">=
Jonmac</span></div><div dir=3D"auto"><span style=3D"font-size:12.8px;backgr=
ound-color:rgb(246,250,255)">=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D</span></div><div dir=3D"auto"><span style=3D"font-size:12.8px;bac=
kground-color:rgb(246,250,255)">- you couched it in a plethora of phraseolo=
gy, but I read between the lines: you dissed my Toyota.</span></div><div di=
r=3D"auto"><span style=3D"font-size:12.8px;background-color:rgb(246,250,255=
)"><br></span></div></div><br><div class=3D"gmail_quote gmail_quote_contain=
er"><div dir=3D"ltr" class=3D"gmail_attr">On Sun, May 10, 2026, 2:11 p.m. =
<<a href=3D"mailto:triumphs-request@autox.team.net";>triumphs-request@aut=
ox.team.net</a>> wrote:<br></div><blockquote class=3D"gmail_quote" style=
=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Send Tri=
umphs mailing list submissions to<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 <a href=3D"mailto:triumphs@autox.team.net"; targ=
et=3D"_blank" rel=3D"noreferrer">triumphs@autox.team.net</a><br>
<br>
To subscribe or unsubscribe via the World Wide Web, visit<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 <a href=3D"http://autox.team.net/mailman/listin=
fo/triumphs" rel=3D"noreferrer noreferrer" target=3D"_blank">http://autox.t=
eam.net/mailman/listinfo/triumphs</a><br>
or, via email, send a message with subject or body 'help' to<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 <a href=3D"mailto:triumphs-request@autox.team.n=
et" target=3D"_blank" rel=3D"noreferrer">triumphs-request@autox.team.net</a=
><br>
<br>
You can reach the person managing the list at<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 <a href=3D"mailto:triumphs-owner@autox.team.net=
" target=3D"_blank" rel=3D"noreferrer">triumphs-owner@autox.team.net</a><br=
>
<br>
When replying, please edit your Subject line so it is more specific<br>
than "Re: Contents of Triumphs digest..."<br>
<br>
<br>
Today's Topics:<br>
<br>
=C2=A0 =C2=A01. Re: Speedometer cable repair kits -- any experience?<br>
=C2=A0 =C2=A0 =C2=A0 (dave northrup)<br>
=C2=A0 =C2=A02. Re: Rear axle oil - overall lubricants and new designs<br>
=C2=A0 =C2=A0 =C2=A0 (John Macartney)<br>
=C2=A0 =C2=A03. Re: Rear axle oil - overall lubricants and new designs<br>
=C2=A0 =C2=A0 =C2=A0 (Mark Bradakis)<br>
<br>
<br>
----------------------------------------------------------------------<br>
<br>
Message: 1<br>
Date: Sat, 9 May 2026 19:24:38 +0000<br>
From: dave northrup <<a href=3D"mailto:dave@ranteer.com"; target=3D"_blan=
k" rel=3D"noreferrer">dave@ranteer.com</a>><br>
To: Frank Fisher <<a href=3D"mailto:yellowtr3@yahoo.com"; target=3D"_blan=
k" rel=3D"noreferrer">yellowtr3@yahoo.com</a>>, Triumphs list<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 <<a href=3D"mailto:triumphs@autox.team.net"; =
target=3D"_blank" rel=3D"noreferrer">triumphs@autox.team.net</a>>, Don H=
iscock <<a href=3D"mailto:don.hiscock@gmail.com"; target=3D"_blank" rel=
=3D"noreferrer">don.hiscock@gmail.com</a>><br>
Subject: Re: [TR] Speedometer cable repair kits -- any experience?<br>
com" target=3D"_blank" rel=3D"noreferrer">07659a3ab1dc4a77b05bcc33986575ab@=
ranteer.com</a>><br>
<br>
West valley will do that.=C2=A0 They made a cable for me connecting a Briti=
sh Ford 5 speed transmission to an MGA speedo.=C2=A0 Custom length and ever=
ything!<br>
<br>
From: Triumphs <<a href=3D"mailto:triumphs-bounces@autox.team.net"; targe=
t=3D"_blank" rel=3D"noreferrer">triumphs-bounces@autox.team.net</a>> On =
Behalf Of Frank Fisher<br>
Sent: Saturday, May 9, 2026 10:23 AM<br>
To: Triumphs list <<a href=3D"mailto:triumphs@autox.team.net"; target=3D"=
_blank" rel=3D"noreferrer">triumphs@autox.team.net</a>>; Don Hiscock <=
;<a href=3D"mailto:don.hiscock@gmail.com"; target=3D"_blank" rel=3D"noreferr=
er">don.hiscock@gmail.com</a>><br>
Subject: Re: [TR] Speedometer cable repair kits -- any experience?<br>
<br>
there is a guy, or was some time ago who would make custom cables.<br>
for me he built a toyota to triumph cable.<br>
do i need to try and find him again for you?<br>
<br>
Frank<br>
southern california<br>
<br>
<br>
On Friday, May 8, 2026 at 08:40:33 PM PDT, Don Hiscock <<a href=3D"mailt=
o:don.hiscock@gmail.com" target=3D"_blank" rel=3D"noreferrer">don.hiscock@g=
mail.com</a><mailto:<a href=3D"mailto:don.hiscock@gmail.com"; target=3D"_=
blank" rel=3D"noreferrer">don.hiscock@gmail.com</a>>> wrote:<br>
<br>
<br>
The 8' overdrive speedometer cable on my TR3B broke at the drive end a =
few months ago and I'm looking at replacement/repair options.<br>
<br>
<a href=3D"https://photos.smugmug.com/photos/i-gHQ6r2K/0/Kw43kwPvCn3hvxVCzr=
PkczV9fbgmfGBnXBfxprNXV/X5/i-gHQ6r2K-X5.jpg" rel=3D"noreferrer noreferrer" =
target=3D"_blank">https://photos.smugmug.com/photos/i-gHQ6r2K/0/Kw43kwPvCn3=
hvxVCzrPkczV9fbgmfGBnXBfxprNXV/X5/i-gHQ6r2K-X5.jpg</a><br>
<br>
The silver-sheathed cables (the most authentic to the Smiths originals) for=
merly sold by TRF are out of stock and Albert reports his UK supplier went =
out of business unexpectedly, so with no alternative supplier they're n=
ot likely to come back anytime soon.<br>
<br>
Moss sell a 96" cable, but the housing is black.=C2=A0 Certainly an op=
tion.<br>
<br>
Napa sell speedometer cable repair kits, with various length universal-fit =
inner cables and a simple sort of staking tool to attach a fitting to one e=
nd.=C2=A0 The end fitting and staking tool are sold without the drive cable=
, as well.<br>
<br>
<a href=3D"https://www.napaonline.com/en/p/BK_6151798"; rel=3D"noreferrer no=
referrer" target=3D"_blank">https://www.napaonline.com/en/p/BK_6151798</a><=
br>
<a href=3D"https://www.napaonline.com/en/p/BK_6151823"; rel=3D"noreferrer no=
referrer" target=3D"_blank">https://www.napaonline.com/en/p/BK_6151823</a><=
br>
<br>
Has anyone used one of these?=C2=A0 How to they work?=C2=A0 It sorta looks =
like one cuts the cable to the right length and attaches the fitting, I'=
;m guessing to the instrument end on our cars.=C2=A0 Is that right?=C2=A0 A=
re these a realistic repair option?<br>
<br>
** <a href=3D"mailto:triumphs@autox.team.net"; target=3D"_blank" rel=3D"nore=
ferrer">triumphs@autox.team.net</a><mailto:<a href=3D"mailto:triumphs@au=
tox.team.net" target=3D"_blank" rel=3D"noreferrer">triumphs@autox.team.net<=
/a>> **<br>
<br>
errer" target=3D"_blank">http://www.team.net/donate.html</a><br>
Archive: <a href=3D"http://www.team.net/pipermail/triumphs"; rel=3D"noreferr=
er noreferrer" target=3D"_blank">http://www.team.net/pipermail/triumphs</a>=
=C2=A0 <a href=3D"http://www.team.net/archive"; rel=3D"noreferrer noreferrer=
" target=3D"_blank">http://www.team.net/archive</a><br>
<br>
hs/yellowtr3@yahoo.com" rel=3D"noreferrer noreferrer" target=3D"_blank">htt=
p://autox.team.net/mailman/options/triumphs/yellowtr3@yahoo.com</a><br>
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<br>
------------------------------<br>
<br>
Message: 2<br>
Date: Sat, 9 May 2026 21:31:52 +0100<br>
From: John Macartney <<a href=3D"mailto:johnbmacartney@gmx.com"; target=
=3D"_blank" rel=3D"noreferrer">johnbmacartney@gmx.com</a>><br>
To: Mark Bradakis <<a href=3D"mailto:mark@bradakis.com"; target=3D"_blank=
" rel=3D"noreferrer">mark@bradakis.com</a>><br>
Cc: <a href=3D"mailto:triumphs@autox.team.net"; target=3D"_blank" rel=3D"nor=
eferrer">triumphs@autox.team.net</a><br>
Subject: Re: [TR] Rear axle oil - overall lubricants and new designs<br>
com" target=3D"_blank" rel=3D"noreferrer">A0C26FD1-9DF0-46E8-8B2B-FD93A452C=
1F9@gmx.com</a>><br>
<br>
Sorry. What did I do wrong?<br>
<br>
Jonmac<br>
<br>
> On 9 May 2026, at 07:49, Mark Bradakis <<a href=3D"mailto:mark@brad=
akis.com" target=3D"_blank" rel=3D"noreferrer">mark@bradakis.com</a>> wr=
ote:<br>
> <br>
> For some reason this was flagged by Mailman.=C2=A0 No idea why.<br>
> <br>
> mjb.<br>
> <br>
> =3D=3D=3D=3D=3D=3D=3D=3D=3D<br>
> <br>
> -----Original Message-----<br>
> <br>
> From: Triumphs <<a href=3D"mailto:triumphs-bounces@autox.team.net"; =
target=3D"_blank" rel=3D"noreferrer">triumphs-bounces@autox.team.net</a>>=
; On Behalf Of John Macartney<br>
> Sent: Thursday, May 7, 2026 3:30 PM<br>
> Cc: <a href=3D"mailto:triumphs@autox.team.net"; target=3D"_blank" rel=
=3D"noreferrer">triumphs@autox.team.net</a><br>
> Subject: [TR] Rear axle oil<br>
> <br>
> Had an early night after spending the day sorting old Standard-Triumph=
handbooks (among lots of other stuff) and have just checked the grade for =
Standard Vanguard and TR3/3A as both used the same axle. Factory recommende=
d an 85W90 GL4 type Hypoy as offered by Shell, BP, Castrol, Duckhams, Texac=
o. IOW, a hyper lube type with an ultra high resistance to shear. Does the =
stuff you have offer the same lubricity properties? Never heard of it mysel=
f but most modern oils are a complete mystery to me anyway. Still can?t get=
used to the family daily driver only being allowed a 0w20 full synthetic. =
Pours like water!<br>
> <br>
> Jonmac<br>
> <br>
> =3D=3D=3D=3D=3D=3D=3D=3D=3D<br>
> <br>
> Regarding the 0w20, I'd like to have a bit of a rant on today'=
s mechanical designs.<br>
> <br>
> When we take a look at the longevity of the supposed "high techno=
logy" direct injection engines of today and over the past say 10-15 ye=
ars, it is woefully clear that these driveline designs are not lasting.=C2=
=A0 Sure, they provide performance and a lot of mpg per BHP per cc/cid, but=
all that tech designs have all sorts of problems.<br>
> Might that be from too thin oil?=C2=A0 As a long time cross-discipline=
control system professional,=C2=A0 the lubricants=C2=A0 or use of improper=
spec lubricants may be a cause, but not entirely, as when you tear into th=
ese new tech engines, they are yes, mechanical marvels controlled by comple=
x computer management, but also, mechanical nightmares more likely to self-=
destruct if a microparticle of contaminate invades the wrong internal spot,=
a sensor allows the wrong stuff to enter the engine somewhere or the coola=
nt level drops because some plastic coolant manifold or connection has a we=
ak spot and suddenly dumped all the coolant creating a high temp spike on t=
he close tolerance components.<br>
> <br>
> We love the new tech performance, but at what cost?<br>
> <br>
> People slammed the Triumph Stag 2997 CC OHC V8 for its design "fl=
aws" but when I dive into some of these newer engines there are striki=
ngly similar designs copied, I have seen across many other engine manufactu=
rers including GM, Mercedes, Toyota, Ford, JLR and others.=C2=A0 One exampl=
e is timing chains, OHC design, etc.=C2=A0 Today's OHC engines, all of =
them, have issues with timing chain tensioners, guides, oil pumps which are=
manifested from engine designs over 75 years ago but cost cut even more an=
d designed to very narrow performance limits and very close tolerance requi=
rements.<br>
> <br>
> When I look at these newer high-performance engines, they all appear t=
o have the same old issues: multiple simplex roller timing chains (some use=
internal rubber belts!!!)=C2=A0 held in place by insufficiently designed g=
uides and tensioners driving all sorts of internal components like oil/fuel=
/water pumps buried deep internally into the engine, variable valve timing,=
variable stroke, very high-pressure requirements for oil and fuel with ele=
ctronics like solenoids and sensors operating in the component lubricants, =
and they all have significant design structural problems from material and =
cost scrimping and lack of real longevity whether they are petrol/gas or di=
esel.<br>
> <br>
> I have been looking at the various JLR newer models, and what incredib=
le value can be had in say a Range Rover autobiography /SV/Dynamic/ that ha=
d cost 180k USD or far more, yet with a blown 5.0 liter engine, they are re=
latively worthless.=C2=A0 To rebuild one of those 3.0 or 5.0 engines, have =
a look at some of the teardown and rebuilds of any modern direct injection =
engine and you will quickly see the engines are all completely disposable d=
esigns; materials are skimped in the blocks to save manufacturing time, wei=
ght and maximize cooling, but when they break, they self-destruct. Labor al=
one to tear down and reassemble is often more that the OEM cost of the enti=
re engine, and the factory does not provide rebuild kits.=C2=A0 What is a p=
ound of engine webbing structural aluminum removed from a 600 bhp superchar=
ged engine as an assembly or weight saving design on a 6000# weight vehicle=
?=C2=A0 Maybe if designed for the track that amounts to a fraction of a sec=
ond of speed, but a road vehicle?!?<br>
> <br>
> Lubricants:<br>
> Historically, the fact was, API / SAE lubricants designed for componen=
ts were once supposed to increase the range of mechanical protections with =
new specifications as time went on, where today, a mechanical component may=
be designed only for one very narrow type of lubricant that was designed o=
nly for that unique application.<br>
> <br>
> The API/ SAE "meets or exceeds" statements must be carefully=
dissected to understand exactly what the lubricant use range and component=
s lubricants are approved, which may take significant research.<br>
> <br>
> If you decide to use your "favorite brand" oil or coolant in=
a modern driveline component not certified for use in that narrow design, =
you might be unknowingly starting the self-destruction timer.<br>
> <br>
> So, to answer the question for our old and very reliable vehicles, BEG=
IN with the Owner's Manual / Factory Manual specification for your lubr=
icants in and on your components as they were designed by the manufacturer,=
and if that type of lubricant is not available, look and understand what a=
nd why it was replaced with a later API/SAE tested lubricant that "sho=
uld" add increased protection in that application.<br>
> AVOID AT ALL COSTS, "my buddies or I uses this and swears by it..=
."=C2=A0 I typically do not trust my local parts shoppe counter person=
for lubricant recommendation unless that counter person was once a master =
mechanic or factory trained tech, that being rare.=C2=A0 There are reams of=
Technical Service Bulletins where the factory engineers got it wrong too, =
only discovered during or after warranty periods.<br>
> Lubrication is its own science, but if you read the specs, you will ge=
t the limitations and also the mechanics tales for snake oil.<br>
> <br>
> Caveat Emptor ya'll.<br>
> <br>
> Glenn a.k.a. StagByTriumph<br>
> <br>
> <br>
> <br>
<br>
<br>
<br>
------------------------------<br>
<br>
Message: 3<br>
Date: Sat, 9 May 2026 15:14:12 -0600<br>
From: Mark Bradakis <<a href=3D"mailto:mark@bradakis.com"; target=3D"_bla=
nk" rel=3D"noreferrer">mark@bradakis.com</a>><br>
To: <a href=3D"mailto:triumphs@autox.team.net"; target=3D"_blank" rel=3D"nor=
eferrer">triumphs@autox.team.net</a><br>
Subject: Re: [TR] Rear axle oil - overall lubricants and new designs<br>
akis.com" target=3D"_blank" rel=3D"noreferrer">e8e347f3-7274-46b9-83bf-01e8=
a76849d6@bradakis.com</a>><br>
<br>
On 5/9/26 2:31 PM, John Macartney wrote:<br>
> Sorry. What did I do wrong?<br>
> <br>
<br>
Your message went through just fine.=C2=A0 It was Glenn's reply that go=
t hung <br>
up for some unknown reason.<br>
<br>
mjb.<br>
<br>
<br>
<br>
------------------------------<br>
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------------------------------<br>
<br>
End of Triumphs Digest, Vol 19, Issue 88<br>
****************************************<br>
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