Oil

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A

Austin Shackles

Guest

Just bought 25L of Q8 T710...

15W40
API CH-4/SJ
ACEA A3, B3, E3
MB 228.3

and a string of others.

28 quid for 25L, which is considerably better than about 10 quid for 5L of
castrol.

we'll see how it goes in the TDi and the V8.
--
Austin Shackles. www.ddol-las.fsnet.co.uk my opinions are just that
"Plus ça change, plus c'est la même chose"
Alphonse Karr (1808 - 1890) Les Guêpes, Jan 1849
 

"Austin Shackles" <[email protected]> wrote in message
news:[email protected]...
>
> Just bought 25L of Q8 T710...
>
> 15W40
> API CH-4/SJ
> ACEA A3, B3, E3
> MB 228.3
>
> and a string of others.
>
> 28 quid for 25L, which is considerably better than about 10 quid for 5L of
> castrol.
>
> we'll see how it goes in the TDi and the V8.

Sounds like a good deal Austin, pity it's the wrong grade for a
pre-serpentine V8. ;-)
20W50 is the correct grade for a pre-serpentine v8 with the old style oil
pump. Marketing forced dictated a change in recommendation by rover, but
there were no mods made to the engines to tighten up production tolerances -
it is designed to pump a heavy oil in volume, not a thinner oil at pressure.

--
Badger.
B.H.Engineering,
Rover V8 engine specialists.
www.bhengineering.co.uk
www.roverv8engines.com


 

"Badger" <[email protected]> wrote in message
news:[email protected]...
>
> "Austin Shackles" <[email protected]> wrote in message
> news:[email protected]...
>>
>> Just bought 25L of Q8 T710...
>>
>> 15W40
>> API CH-4/SJ
>> ACEA A3, B3, E3
>> MB 228.3
>>
>> and a string of others.
>>
>> 28 quid for 25L, which is considerably better than about 10 quid for 5L
>> of
>> castrol.
>>
>> we'll see how it goes in the TDi and the V8.
>
> Sounds like a good deal Austin, pity it's the wrong grade for a
> pre-serpentine V8. ;-)
> 20W50 is the correct grade for a pre-serpentine v8 with the old style oil
> pump. Marketing forced dictated a change in recommendation by rover, but
> there were no mods made to the engines to tighten up production
> tolerances - it is designed to pump a heavy oil in volume, not a thinner
> oil at pressure.
>

15w/40 is not thin.
The specification is a good one and is what is known as a multifleet
extended drain Super High Performance oil. Not a synthetic but superior in
performance to many synthetics.

Huw


 

"Huw" <hedydd[nospam]@tiscali.co.uk> wrote in message
news:[email protected]...
>
> "Badger" <[email protected]> wrote in message
> news:[email protected]...
> >
> > "Austin Shackles" <[email protected]> wrote in message
> > news:[email protected]...
> >>
> >> Just bought 25L of Q8 T710...
> >>
> >> 15W40
> >> API CH-4/SJ
> >> ACEA A3, B3, E3
> >> MB 228.3
> >>
> >> and a string of others.
> >>
> >> 28 quid for 25L, which is considerably better than about 10 quid for 5L
> >> of
> >> castrol.
> >>
> >> we'll see how it goes in the TDi and the V8.
> >
> > Sounds like a good deal Austin, pity it's the wrong grade for a
> > pre-serpentine V8. ;-)
> > 20W50 is the correct grade for a pre-serpentine v8 with the old style
oil
> > pump. Marketing forced dictated a change in recommendation by rover, but
> > there were no mods made to the engines to tighten up production
> > tolerances - it is designed to pump a heavy oil in volume, not a thinner
> > oil at pressure.
> >
>
> 15w/40 is not thin.
> The specification is a good one and is what is known as a multifleet
> extended drain Super High Performance oil. Not a synthetic but superior in
> performance to many synthetics.
>
> Huw
>
>

15w40 may not be thin but it is not as thick as 20w50 as required by V8's.

David
LLAMA 4x4
www.llama4x4.co.uk
www.motorsport-plumbing.co.uk



 

"Huw" <hedydd[nospam]@tiscali.co.uk> wrote in message
news:[email protected]...
>
> "Badger" <[email protected]> wrote in message
> news:[email protected]...
>>
>> "Austin Shackles" <[email protected]> wrote in message
>> news:[email protected]...
>>>
>>> Just bought 25L of Q8 T710...
>>>
>>> 15W40
>>> API CH-4/SJ
>>> ACEA A3, B3, E3
>>> MB 228.3
>>>
>>> and a string of others.
>>>
>>> 28 quid for 25L, which is considerably better than about 10 quid for 5L
>>> of
>>> castrol.
>>>
>>> we'll see how it goes in the TDi and the V8.
>>
>> Sounds like a good deal Austin, pity it's the wrong grade for a
>> pre-serpentine V8. ;-)
>> 20W50 is the correct grade for a pre-serpentine v8 with the old style oil
>> pump. Marketing forced dictated a change in recommendation by rover, but
>> there were no mods made to the engines to tighten up production
>> tolerances - it is designed to pump a heavy oil in volume, not a thinner
>> oil at pressure.
>>
>
> 15w/40 is not thin.
> The specification is a good one and is what is known as a multifleet
> extended drain Super High Performance oil. Not a synthetic but superior in
> performance to many synthetics.

That's as maybe, BUT it's the wrong grade for a pre-serpentine V8, and will
result in premature rear main bearing and cam shell wear. (Trust me, I've
stripped and rebuilt enough of them!)
You could also put it in a Ford Zetec engine, it meets all the spec's, BUT
your valves would gum and stick because it's the wrong grade.
I could put it in my BMW 330d, it's the right grade, BUT it doesn't meet the
spec and premature engine wear would result if I left it in there for the
normal change interval of 14,000 miles!
You need to put an oil into an engine that is suitable both in specification
and grade, not just one or the other.

--
Badger.
B.H.Engineering,
Rover V8 engine specialists.
www.bhengineering.co.uk
www.roverv8engines.com


 
On Tue, 19 Apr 2005 21:38:54 +0000 (UTC), "Badger"
<[email protected]> wrote:

>
>"Huw" <hedydd[nospam]@tiscali.co.uk> wrote in message
>news:[email protected]...
>>
>> "Badger" <[email protected]> wrote in message
>> news:[email protected]...
>>>
>>> "Austin Shackles" <[email protected]> wrote in message
>>> news:[email protected]...
>>>>
>>>> Just bought 25L of Q8 T710...
>>>>
>>>> 15W40
>>>> API CH-4/SJ
>>>> ACEA A3, B3, E3
>>>> MB 228.3
>>>>
>>>> and a string of others.
>>>>
>>>> 28 quid for 25L, which is considerably better than about 10 quid for 5L
>>>> of
>>>> castrol.
>>>>
>>>> we'll see how it goes in the TDi and the V8.
>>>
>>> Sounds like a good deal Austin, pity it's the wrong grade for a
>>> pre-serpentine V8. ;-)
>>> 20W50 is the correct grade for a pre-serpentine v8 with the old style oil
>>> pump. Marketing forced dictated a change in recommendation by rover, but
>>> there were no mods made to the engines to tighten up production
>>> tolerances - it is designed to pump a heavy oil in volume, not a thinner
>>> oil at pressure.
>>>
>>
>> 15w/40 is not thin.
>> The specification is a good one and is what is known as a multifleet
>> extended drain Super High Performance oil. Not a synthetic but superior in
>> performance to many synthetics.
>
>That's as maybe, BUT it's the wrong grade for a pre-serpentine V8, and will
>result in premature rear main bearing and cam shell wear. (Trust me, I've
>stripped and rebuilt enough of them!)
>You could also put it in a Ford Zetec engine, it meets all the spec's, BUT
>your valves would gum and stick because it's the wrong grade.
>I could put it in my BMW 330d, it's the right grade, BUT it doesn't meet the
>spec and premature engine wear would result if I left it in there for the
>normal change interval of 14,000 miles!
>You need to put an oil into an engine that is suitable both in specification
>and grade, not just one or the other.


But the later engines call for 10W40 in the LR handbook. My disco
always ran 10W40 without either problem. That was a serpentine though
- when did they change the oil pump?


--

Tim Hobbs

'58 Series 2 88" aka "Stig"
'77 101FC Ambulance aka "Burrt"
'03 Volvo V70
 

"Austin Shackles" wrote ...
>
> Just bought 25L of Q8 T710...
>
> 15W40
> API CH-4/SJ
> ACEA A3, B3, E3
> MB 228.3
>
> and a string of others.
>
> 28 quid for 25L, which is considerably better than about 10 quid for 5L of
> castrol.
>
> we'll see how it goes in the TDi and the V8.
> --

Well I just went and bought some Castrol Longlife 11 oil for the wife's BMW
330i...£39.99 for 4 litres.
Thought I was seeing things when she rang it up.

--
Regards
Bob
In Runnymede, 17 miles West of London



 

"David_LLAMA4x4" <[email protected]> wrote in message
news:[email protected]...
>
> "Huw" <hedydd[nospam]@tiscali.co.uk> wrote in message
> news:[email protected]...
>>
>> "Badger" <[email protected]> wrote in message
>> news:[email protected]...
>> >
>> > "Austin Shackles" <[email protected]> wrote in message
>> > news:[email protected]...
>> >>
>> >> Just bought 25L of Q8 T710...
>> >>
>> >> 15W40
>> >> API CH-4/SJ
>> >> ACEA A3, B3, E3
>> >> MB 228.3
>> >>
>> >> and a string of others.
>> >>
>> >> 28 quid for 25L, which is considerably better than about 10 quid for
>> >> 5L
>> >> of
>> >> castrol.
>> >>
>> >> we'll see how it goes in the TDi and the V8.
>> >
>> > Sounds like a good deal Austin, pity it's the wrong grade for a
>> > pre-serpentine V8. ;-)
>> > 20W50 is the correct grade for a pre-serpentine v8 with the old style
> oil
>> > pump. Marketing forced dictated a change in recommendation by rover,
>> > but
>> > there were no mods made to the engines to tighten up production
>> > tolerances - it is designed to pump a heavy oil in volume, not a
>> > thinner
>> > oil at pressure.
>> >
>>
>> 15w/40 is not thin.
>> The specification is a good one and is what is known as a multifleet
>> extended drain Super High Performance oil. Not a synthetic but superior
>> in
>> performance to many synthetics.
>>
>> Huw
>>
>>
>
> 15w40 may not be thin but it is not as thick as 20w50 as required by V8's.
>
> David
> LLAMA 4x4
> www.llama4x4.co.uk
> www.motorsport-plumbing.co.uk
>

As long as the oil pressure does not drop off the scale when idling and it
is not consumed at an accelerated rate then the difference in viscosity is
of no consequence.

Huw


 

"Bob Hobden" <[email protected]> wrote in message
news:[email protected]...
>
> "Austin Shackles" wrote ...
>>
>> Just bought 25L of Q8 T710...
>>
>> 15W40
>> API CH-4/SJ
>> ACEA A3, B3, E3
>> MB 228.3
>>
>> and a string of others.
>>
>> 28 quid for 25L, which is considerably better than about 10 quid for 5L
>> of
>> castrol.
>>
>> we'll see how it goes in the TDi and the V8.
>> --
>
> Well I just went and bought some Castrol Longlife 11 oil for the wife's
> BMW 330i...£39.99 for 4 litres.
> Thought I was seeing things when she rang it up.
>

Well now, the BMW engines fitted to Range Rover calls for the same oil when
fitted to a BMW but no mention is made of it in the Range Rover handbook
which specifies [only the need for] ACEA A3 for petrol versions and B3 for
diesel engines. These are the same engines fitted with the same computerised
service interval monitor which results in approximately the same mileage
drain intervals as in a BMW car. My diesel RR version needs changing at
about every 14500 miles.
The viscosity specified as suitable for the UK BMW engines include anything
between 5w/30 to 10w/40 including 10w/30 and 5w/40 of course. In fact there
would be no problem with A3/B3 0w/40 viscosity [such as Mobil1 0w/40 for
petrol engines but no other viscosity of Mobil1] although this one grade is
not specifically mentioned in the handbook as a suitable grade.

There is a wide range of oils commonly available which meet these criteria
without costing an arm and a leg.

Huw


 
On or around Tue, 19 Apr 2005 13:31:51 +0000 (UTC), "Badger"
<[email protected]> enlightened us thusly:

>
>"Austin Shackles" <[email protected]> wrote in message
>news:[email protected]...
>>
>> Just bought 25L of Q8 T710...
>>
>> 15W40
>> API CH-4/SJ
>> ACEA A3, B3, E3
>> MB 228.3
>>
>> and a string of others.
>>
>> 28 quid for 25L, which is considerably better than about 10 quid for 5L of
>> castrol.
>>
>> we'll see how it goes in the TDi and the V8.
>
>Sounds like a good deal Austin, pity it's the wrong grade for a
>pre-serpentine V8. ;-)
>20W50 is the correct grade for a pre-serpentine v8 with the old style oil
>pump. Marketing forced dictated a change in recommendation by rover, but
>there were no mods made to the engines to tighten up production tolerances -
>it is designed to pump a heavy oil in volume, not a thinner oil at pressure.

yeah, I know. Trouble is, it's not easy finding decent quality 20W50, or
not hereabouts. I've been running this one on Castrol GTX "for high mileage
engines", which it seems OK with, and which IIRC is 15W40. I did have some
15W50 for a while, but it was crap oil, and worse than decent 15W40. At
least the modern stuff has anti-sludging properties, so it's not all bad,
and this Q8 stuff says it's designed to resist cam wear, which ought to be
helpful.

'ere, that's a point. 3.9 cam into a 3.5 hotwire: good, bad, or
indifferent?

 

"Huw" <hedydd[nospam]@tiscali.co.uk> wrote in message
news:[email protected]...
>
>
> As long as the oil pressure does not drop off the scale when idling and it
> is not consumed at an accelerated rate then the difference in viscosity is
> of no consequence.
>

WRONG! Pressure will be maintained at the pump relief valve (and gauge, if
one is fitted) but this is not a true representation of what is happening
within the rest of the engine. Every bearing surface is an orifice, the
thinner the fluid is then the greater the flow rate across the orifice for a
given pressure. As we are talking dynamic pressures not static, the pressure
beyond that orifice will be lower than before it, this repeating through the
engine until there is virtually no pressure (or flow) at the rear main
bearing! The firther away you go from the pump outlet, the lower the oil
pressure becomes at each successive bearing, amplified by the use of a
thinner fluid.

--
Badger.
B.H.Engineering,
Rover V8 engine specialists.
www.bhengineering.co.uk
www.roverv8engines.com


 

"Tim Hobbs" <[email protected]> wrote in message
news:[email protected]...
> On Tue, 19 Apr 2005 21:38:54 +0000 (UTC), "Badger"
> <[email protected]> wrote:
>
>>
>>"Huw" <hedydd[nospam]@tiscali.co.uk> wrote in message
>>news:[email protected]...
>>>
>>> "Badger" <[email protected]> wrote in message
>>> news:[email protected]...
>>>>
>>>> "Austin Shackles" <[email protected]> wrote in message
>>>> news:[email protected]...
>>>>>
>>>>> Just bought 25L of Q8 T710...
>>>>>
>>>>> 15W40
>>>>> API CH-4/SJ
>>>>> ACEA A3, B3, E3
>>>>> MB 228.3
>>>>>
>>>>> and a string of others.
>>>>>
>>>>> 28 quid for 25L, which is considerably better than about 10 quid for
>>>>> 5L
>>>>> of
>>>>> castrol.
>>>>>
>>>>> we'll see how it goes in the TDi and the V8.
>>>>
>>>> Sounds like a good deal Austin, pity it's the wrong grade for a
>>>> pre-serpentine V8. ;-)
>>>> 20W50 is the correct grade for a pre-serpentine v8 with the old style
>>>> oil
>>>> pump. Marketing forced dictated a change in recommendation by rover,
>>>> but
>>>> there were no mods made to the engines to tighten up production
>>>> tolerances - it is designed to pump a heavy oil in volume, not a
>>>> thinner
>>>> oil at pressure.
>>>>
>>>
>>> 15w/40 is not thin.
>>> The specification is a good one and is what is known as a multifleet
>>> extended drain Super High Performance oil. Not a synthetic but superior
>>> in
>>> performance to many synthetics.
>>
>>That's as maybe, BUT it's the wrong grade for a pre-serpentine V8, and
>>will
>>result in premature rear main bearing and cam shell wear. (Trust me, I've
>>stripped and rebuilt enough of them!)
>>You could also put it in a Ford Zetec engine, it meets all the spec's, BUT
>>your valves would gum and stick because it's the wrong grade.
>>I could put it in my BMW 330d, it's the right grade, BUT it doesn't meet
>>the
>>spec and premature engine wear would result if I left it in there for the
>>normal change interval of 14,000 miles!
>>You need to put an oil into an engine that is suitable both in
>>specification
>>and grade, not just one or the other.
>
>
> But the later engines call for 10W40 in the LR handbook. My disco
> always ran 10W40 without either problem. That was a serpentine though
> - when did they change the oil pump?

Yes, the pump design and the tolerances within the engine.

--
Badger.
B.H.Engineering,
Rover V8 engine specialists.
www.bhengineering.co.uk
www.roverv8engines.com


 

"Austin Shackles" <[email protected]> wrote in message
news:[email protected]...
> On or around Tue, 19 Apr 2005 13:31:51 +0000 (UTC), "Badger"
> <[email protected]> enlightened us thusly:
>
>>
>>"Austin Shackles" <[email protected]> wrote in message
>>news:[email protected]...
>>>
>>> Just bought 25L of Q8 T710...
>>>
>>> 15W40
>>> API CH-4/SJ
>>> ACEA A3, B3, E3
>>> MB 228.3
>>>
>>> and a string of others.
>>>
>>> 28 quid for 25L, which is considerably better than about 10 quid for 5L
>>> of
>>> castrol.
>>>
>>> we'll see how it goes in the TDi and the V8.
>>
>>Sounds like a good deal Austin, pity it's the wrong grade for a
>>pre-serpentine V8. ;-)
>>20W50 is the correct grade for a pre-serpentine v8 with the old style oil
>>pump. Marketing forced dictated a change in recommendation by rover, but
>>there were no mods made to the engines to tighten up production
>>tolerances -
>>it is designed to pump a heavy oil in volume, not a thinner oil at
>>pressure.
>
> yeah, I know. Trouble is, it's not easy finding decent quality 20W50, or
> not hereabouts. I've been running this one on Castrol GTX "for high
> mileage
> engines", which it seems OK with, and which IIRC is 15W40. I did have
> some
> 15W50 for a while, but it was crap oil, and worse than decent 15W40. At
> least the modern stuff has anti-sludging properties, so it's not all bad,
> and this Q8 stuff says it's designed to resist cam wear, which ought to be
> helpful.
>
> 'ere, that's a point. 3.9 cam into a 3.5 hotwire: good, bad, or
> indifferent?

Same cam, I think mate. AFAIK it was only the flapper type 3.5 that had the
totally different cam profile. If I get a chance, I'll check the part
numbers.

--
Badger.
B.H.Engineering,
Rover V8 engine specialists.
www.bhengineering.co.uk
www.roverv8engines.com


 

"Huw" <hedydd[nospam]@tiscali.co.uk> wrote in message
news:[email protected]...
>
> "Bob Hobden" <[email protected]> wrote in message
> news:[email protected]...
>>
>>
>> Well I just went and bought some Castrol Longlife 11 oil for the wife's
>> BMW 330i...£39.99 for 4 litres.
>> Thought I was seeing things when she rang it up.

Nope, it's dear stuff. Ought to be Castrol SLX Longlife I though, not II,
that's a VW spec.

> Well now, the BMW engines fitted to Range Rover calls for the same oil
> when fitted to a BMW but no mention is made of it in the Range Rover
> handbook which specifies [only the need for] ACEA A3 for petrol versions
> and B3 for diesel engines. These are the same engines fitted with the same
> computerised service interval monitor which results in approximately the
> same mileage drain intervals as in a BMW car. My diesel RR version needs
> changing at about every 14500 miles.
> The viscosity specified as suitable for the UK BMW engines include
> anything between 5w/30 to 10w/40 including 10w/30 and 5w/40 of course. In
> fact there would be no problem with A3/B3 0w/40 viscosity [such as Mobil1
> 0w/40 for petrol engines but no other viscosity of Mobil1] although this
> one grade is not specifically mentioned in the handbook as a suitable
> grade.
>
> There is a wide range of oils commonly available which meet these criteria
> without costing an arm and a leg.
>

Does the Rangie book call for just the basic spec Huw, or does it say that
the oil must meet the Longlife criteria as well? I wouldn't dream of putting
an oil in my 330d that didn't meet the Longlife I spec, based on the
potential wallet-destroying properties of the potential repair bills if it
all went pear-shaped.
Please tell me of the other oils you know of that meet the Longlife I spec
other than SLX and Mobil1, would be handy to know.

--
Badger.
B.H.Engineering,
Rover V8 engine specialists.
www.bhengineering.co.uk
www.roverv8engines.com


 
In message <[email protected]>
"Badger" <[email protected]> wrote:

>
> "Austin Shackles" <[email protected]> wrote in message
> news:[email protected]...
> > On or around Tue, 19 Apr 2005 13:31:51 +0000 (UTC), "Badger"
> > <[email protected]> enlightened us thusly:
> >
> >>
> >>"Austin Shackles" <[email protected]> wrote in message
> >>news:[email protected]...
> >>>
> >>> Just bought 25L of Q8 T710...
> >>>
> >>> 15W40
> >>> API CH-4/SJ
> >>> ACEA A3, B3, E3
> >>> MB 228.3
> >>>
> >>> and a string of others.
> >>>
> >>> 28 quid for 25L, which is considerably better than about 10 quid for 5L
> >>> of
> >>> castrol.
> >>>
> >>> we'll see how it goes in the TDi and the V8.
> >>
> >>Sounds like a good deal Austin, pity it's the wrong grade for a
> >>pre-serpentine V8. ;-)
> >>20W50 is the correct grade for a pre-serpentine v8 with the old style oil
> >>pump. Marketing forced dictated a change in recommendation by rover, but
> >>there were no mods made to the engines to tighten up production
> >>tolerances -
> >>it is designed to pump a heavy oil in volume, not a thinner oil at
> >>pressure.
> >
> > yeah, I know. Trouble is, it's not easy finding decent quality 20W50, or
> > not hereabouts. I've been running this one on Castrol GTX "for high
> > mileage
> > engines", which it seems OK with, and which IIRC is 15W40. I did have
> > some
> > 15W50 for a while, but it was crap oil, and worse than decent 15W40. At
> > least the modern stuff has anti-sludging properties, so it's not all bad,
> > and this Q8 stuff says it's designed to resist cam wear, which ought to be
> > helpful.
> >
> > 'ere, that's a point. 3.9 cam into a 3.5 hotwire: good, bad, or
> > indifferent?
>
> Same cam, I think mate. AFAIK it was only the flapper type 3.5 that had the
> totally different cam profile. If I get a chance, I'll check the part
> numbers.
>

ETC6099 3.5 Efi
ETC8686 3.9 Efi

Richard
--
www.beamends-lrspares.co.uk [email protected]
Running a business in a Microsoft free environment - it can be done
Powered by Risc-OS - you won't get a virus from us!!
Helping keep Land Rovers on and off the road to annoy the Lib Dems
 
On or around Wed, 20 Apr 2005 08:02:04 +0000 (UTC), "Badger"
<[email protected]> enlightened us thusly:

>
>"Huw" <hedydd[nospam]@tiscali.co.uk> wrote in message
>news:[email protected]...
>>
>>
>> As long as the oil pressure does not drop off the scale when idling and it
>> is not consumed at an accelerated rate then the difference in viscosity is
>> of no consequence.
>>
>
>WRONG! Pressure will be maintained at the pump relief valve (and gauge, if
>one is fitted) but this is not a true representation of what is happening
>within the rest of the engine. Every bearing surface is an orifice, the
>thinner the fluid is then the greater the flow rate across the orifice for a
>given pressure. As we are talking dynamic pressures not static, the pressure
>beyond that orifice will be lower than before it, this repeating through the
>engine until there is virtually no pressure (or flow) at the rear main
>bearing! The firther away you go from the pump outlet, the lower the oil
>pressure becomes at each successive bearing, amplified by the use of a
>thinner fluid.

True nuff. Mind, the handbook for my (H-plate) one lists the thinner oils
as well, but the really thin ones have temperature restrictions. It's rare
that it's hot enough in this country to really need the "50" bit, I reckon -
plus, decent quality "40" has a chance of staying in grade when up to
temperature, and I suspect that the crappier "50s" may not.

--
Austin Shackles. www.ddol-las.fsnet.co.uk my opinions are just that
"There are three sorts of people in the world - those who can count,
and those who can't" (Anon)
 
On or around Wed, 20 Apr 2005 08:31:24 +0000 (UTC), beamendsltd
<[email protected]> enlightened us thusly:

>
>ETC6099 3.5 Efi
>ETC8686 3.9 Efi
>

's more about the cam timings, though - the early 3.5 and the 3.9 have
identical profiles, 2 degrees different in timing, IIRC.
--
Austin Shackles. www.ddol-las.fsnet.co.uk my opinions are just that
"There are three sorts of people in the world - those who can count,
and those who can't" (Anon)
 

"Austin Shackles" <[email protected]> wrote in message
news:[email protected]...

> True nuff. Mind, the handbook for my (H-plate) one lists the thinner oils
> as well, but the really thin ones have temperature restrictions. It's
> rare
> that it's hot enough in this country to really need the "50" bit, I
> reckon -
> plus, decent quality "40" has a chance of staying in grade when up to
> temperature, and I suspect that the crappier "50s" may not.

Your last sentence carries a lot of truth in it Austin, especially the bit
about crappier oils, however if I were running a thinner oil than 20W50 I'd
fit an MGBV8 pressure relief valve spring to up the pressure by 15psi or so
(tested with a gauge, not believing the std pressures as quoted anyway!)
simply to ensure an adequate flow to the rerar mains.

--
Badger.
B.H.Engineering,
Rover V8 engine specialists.
www.bhengineering.co.uk
www.roverv8engines.com



 

"Austin Shackles" <[email protected]> wrote in message
news:[email protected]...
> On or around Wed, 20 Apr 2005 08:31:24 +0000 (UTC), beamendsltd
> <[email protected]> enlightened us thusly:
>
>>
>>ETC6099 3.5 Efi
>>ETC8686 3.9 Efi
>>
>
> 's more about the cam timings, though - the early 3.5 and the 3.9 have
> identical profiles, 2 degrees different in timing, IIRC.

Yes, the early 3.5 carb and the 3.9efi are same profiles but 3.9efi is 2
degrees advanced. 3.5EFI rangie is a totally different profile.
Richard, do you have different cam part no's listed for rr3.5efi and disco
3.5efi?
Badger.


 
In message <[email protected]>
Austin Shackles <[email protected]> wrote:

> On or around Wed, 20 Apr 2005 08:31:24 +0000 (UTC), beamendsltd
> <[email protected]> enlightened us thusly:
>
> >
> >ETC6099 3.5 Efi
> >ETC8686 3.9 Efi
> >
>
> 's more about the cam timings, though - the early 3.5 and the 3.9 have
> identical profiles, 2 degrees different in timing, IIRC.

Early ones are:
ETC6849 - 3.5 Carb 26D, 27D engines
ETC6850 - 3.5 Carb 28D, 29D, 30D engines.

Todays quiz - what's the difference between these two?
Answers on a post card!

Richard
--
www.beamends-lrspares.co.uk [email protected]
Running a business in a Microsoft free environment - it can be done
Powered by Risc-OS - you won't get a virus from us!!
Helping keep Land Rovers on and off the road to annoy the Lib Dems
 
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