Question for Oilman
14 September 2005, 08:55 AM
#2
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Castrol Formula SLX LongTec is a fully synthetic 0W-30 engine oil suitable for vehicles on fixed servicing. For use in Audi, BMW, Mercedes Benz, Vauxhall and Volkswagen engines.
Product Features
Oustanding performance reserve
Free flowing qualities and exceptionally low frictional characteristics
Specially developed to provide premium performance
Low Phosphorous content
Synthetic viscosity reduces operating temperature
Product Benefits
Outstanding performance even through extended service intervals
Virtually no engine wear
Superior sludge control
Improved engine durability
Superior viscosity control
Additive retention
Engine cleanliness
Technical Specifications
SAE 0W-30
API SL/CF
ACEA A3/B3/B4
BMW Longlife-01
MB 229.3 229.5
Opel/Vauxhall GM-LL-A-025
GM-LL-B-025
VW 502.00/503.01/505.00
Available in 1 litre and 4 litre packs
Castrol Formula SLX is a fully synthetic engine oil. But what sets Castrol Formula SLX apart is its intelligent molecular structure that responds to your driving style.
With its free flowing 0W-30 viscosity, Castrol Formula SLX delivers significant fuel savings or obtains additional power and performance from your engine.
Product Features
Free flowing qualities and exceptionally low frictional characteristics
Specially developed to provide premium performance
Low phosphorous content
Synthetic viscosity reduces operating temperature
Product Benefits
Averaged 5.54% fuel savings in field tests
Lower emissions through fuel economy technology
Virtually no engine wear
Prevents the build up of sludge at high temperatures
Peak performance even through the longest service intervals
Technical Specifications
SAE 0W-30 ACEA A3/B3/B4 API SL/CF
Mercedez-Benz MB 229.3
Volksagen VW 502.00, VW 505.00 & VW 503.01
Approved as BMW Longlife-01 Oil
Available in 1 litre and 4 litre packs
Taken direct from the Castrol website.
http://www.castrol.com/castrol/produ...tentId=6030498
Product Features
Oustanding performance reserve
Free flowing qualities and exceptionally low frictional characteristics
Specially developed to provide premium performance
Low Phosphorous content
Synthetic viscosity reduces operating temperature
Product Benefits
Outstanding performance even through extended service intervals
Virtually no engine wear
Superior sludge control
Improved engine durability
Superior viscosity control
Additive retention
Engine cleanliness
Technical Specifications
SAE 0W-30
API SL/CF
ACEA A3/B3/B4
BMW Longlife-01
MB 229.3 229.5
Opel/Vauxhall GM-LL-A-025
GM-LL-B-025
VW 502.00/503.01/505.00
Available in 1 litre and 4 litre packs
Castrol Formula SLX is a fully synthetic engine oil. But what sets Castrol Formula SLX apart is its intelligent molecular structure that responds to your driving style.
With its free flowing 0W-30 viscosity, Castrol Formula SLX delivers significant fuel savings or obtains additional power and performance from your engine.
Product Features
Free flowing qualities and exceptionally low frictional characteristics
Specially developed to provide premium performance
Low phosphorous content
Synthetic viscosity reduces operating temperature
Product Benefits
Averaged 5.54% fuel savings in field tests
Lower emissions through fuel economy technology
Virtually no engine wear
Prevents the build up of sludge at high temperatures
Peak performance even through the longest service intervals
Technical Specifications
SAE 0W-30 ACEA A3/B3/B4 API SL/CF
Mercedez-Benz MB 229.3
Volksagen VW 502.00, VW 505.00 & VW 503.01
Approved as BMW Longlife-01 Oil
Available in 1 litre and 4 litre packs
Taken direct from the Castrol website.
http://www.castrol.com/castrol/produ...tentId=6030498
14 September 2005, 09:56 AM
#3
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DON'T put an 0W or a 5W anything in an Impreza turbo unless you want an expensive engine repair bill.
I know ' oilman ' will reply when he sees this with a well respected and informative piece on why the 0W and 5W issue is not a factor to worry about because it is to do with how the oil behaves at sub zero temperatures and actually has little to do with the viscosity.
The bigger number is what the oil actually is.
However, after over 700 engine rebuilds I can safely say that 0W and 5W does not suit an Impreza turbo for whatever reason and has a greater potential for disaster than a 10 or a 15W.
David APi Engines / APi Impreza
www.apiengines.com
I know ' oilman ' will reply when he sees this with a well respected and informative piece on why the 0W and 5W issue is not a factor to worry about because it is to do with how the oil behaves at sub zero temperatures and actually has little to do with the viscosity.
The bigger number is what the oil actually is.
However, after over 700 engine rebuilds I can safely say that 0W and 5W does not suit an Impreza turbo for whatever reason and has a greater potential for disaster than a 10 or a 15W.
David APi Engines / APi Impreza
www.apiengines.com
14 September 2005, 11:13 AM
#4
Originally Posted by APIDavid
DON'T put an 0W or a 5W anything in an Impreza turbo unless you want an expensive engine repair bill.
I know ' oilman ' will reply when he sees this with a well respected and informative piece on why the 0W and 5W issue is not a factor to worry about because it is to do with how the oil behaves at sub zero temperatures and actually has little to do with the viscosity.
The bigger number is what the oil actually is.
However, after over 700 engine rebuilds I can safely say that 0W and 5W does not suit an Impreza turbo for whatever reason and has a greater potential for disaster than a 10 or a 15W.
David APi Engines / APi Impreza
www.apiengines.com
I know ' oilman ' will reply when he sees this with a well respected and informative piece on why the 0W and 5W issue is not a factor to worry about because it is to do with how the oil behaves at sub zero temperatures and actually has little to do with the viscosity.
The bigger number is what the oil actually is.
However, after over 700 engine rebuilds I can safely say that 0W and 5W does not suit an Impreza turbo for whatever reason and has a greater potential for disaster than a 10 or a 15W.
David APi Engines / APi Impreza
www.apiengines.com
I do however recommend 5w oils for 2000 onwards for use in stock cars.
In these cases I recommend 5w-40 as per the handbooks that in the main mention 5w-30, 5w-40 and 10w-40.
Cheers
Simon
14 September 2005, 12:07 PM
#6
Did I say it was for an impreza Dave?? Of course not 
SLX is NOT LISTED for any Impreza I know of (as of yet), I know you mean well, but the vicosity is not what I need to know...it's the addatives that makes it 0w-30 ) Stop digging at simon, I've asked him a simple question, all I want is a straight answer.
All I want to assertain is what physical difference in properties between in terms of addative etc (i.e what makes longtec SLX different to SLX)
SLX and SLX longtec.
(without the obvious copy/paste off castrol's website been there, done that...means nothing - as usual )
The only obvious difference I see is which manufacturer reccomends it.
The wonders oif scoobynet...ask one question get another answer to a completely different question that was never asked LOL
SLX is NOT LISTED for any Impreza I know of (as of yet), I know you mean well, but the vicosity is not what I need to know...it's the addatives that makes it 0w-30
) Stop digging at simon, I've asked him a simple question, all I want is a straight answer.All I want to assertain is what physical difference in properties between in terms of addative etc (i.e what makes longtec SLX different to SLX)
SLX and SLX longtec.
(without the obvious copy/paste off castrol's website been there, done that...means nothing - as usual
)The only obvious difference I see is which manufacturer reccomends it.
The wonders oif scoobynet...ask one question get another answer to a completely different question that was never asked LOL
Last edited by ALi-B; 14 September 2005 at 12:13 PM.
14 September 2005, 12:50 PM
#7
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Originally Posted by ALi-B
Did I say it was for an impreza Dave?? Of course not
SLX is NOT LISTED for any Impreza I know of (as of yet), I know you mean well, but the vicosity is not what I need to know...it's the addatives that makes it 0w-30 ) Stop digging at simon, I've asked him a simple question, all I want is a straight answer.
All I want to assertain is what physical difference in properties between in terms of addative etc (i.e what makes longtec SLX different to SLX)
SLX and SLX longtec.
(without the obvious copy/paste off castrol's website been there, done that...means nothing - as usual )
he only obvious difference I see is which manufacturer reccomends it.
The wonders oif scoobynet...ask one question get another answer to a completely different question that was never asked LOL
SLX is NOT LISTED for any Impreza I know of (as of yet), I know you mean well, but the vicosity is not what I need to know...it's the addatives that makes it 0w-30
) Stop digging at simon, I've asked him a simple question, all I want is a straight answer.All I want to assertain is what physical difference in properties between in terms of addative etc (i.e what makes longtec SLX different to SLX)
SLX and SLX longtec.
(without the obvious copy/paste off castrol's website been there, done that...means nothing - as usual
)he only obvious difference I see is which manufacturer reccomends it.
The wonders oif scoobynet...ask one question get another answer to a completely different question that was never asked LOL
I wouldn't ever dig at Simon, I have too much respect for him and he knows that.
David APi
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14 September 2005, 12:57 PM
#8
No worries, Point made DAve 
I feel that many Imprezas owners should read their owners manual more often rather than take what is typed here as gospel anyway...they clearly state what minimum and maxmum oil viscosities that should be used
Now where was I ?....
SLX vs SLX Longtec
I feel that many Imprezas owners should read their owners manual more often rather than take what is typed here as gospel anyway...they clearly state what minimum and maxmum oil viscosities that should be used Now where was I ?....
SLX vs SLX Longtec
14 September 2005, 01:08 PM
#9
Originally Posted by ALi-B
No worries, Point made DAve I feel that many Imprezas owners should read their owners manual more often rather than take what is typed here as gospel anyway...they clearly state what minimum and maxmum oil viscosities that should be used
Now where was I ?....
SLX vs SLX Longtec
I feel that many Imprezas owners should read their owners manual more often rather than take what is typed here as gospel anyway...they clearly state what minimum and maxmum oil viscosities that should be used Now where was I ?....
SLX vs SLX Longtec
The longtec is intended for long drain use where variable service is specifed particularly relevent to Mercedes Benz as it carries the new MB229.5 (2005 spec) approvals. It also carries the additional approvals for GM.
What car is it for?
Cheers
Simon
14 September 2005, 01:15 PM
#10
Celica 190 (2ZZ-GE) Offical OATS/Castrol Listing is for SLX Longtec (or 5w-30 GTX Magnatec)
Which makes it confusing...as the PR stuff says its for long drain intevals, yet the Celica's schedule is relatively usual fixed 10K/12months
The reson I'm asking is I already ahve a few packs of of plain SLX on the shelf and am debating on its suitability. I won't use it in the Celica anyway as that is not whats listed, but it has got me wondering.
Which makes it confusing...as the PR stuff says its for long drain intevals, yet the Celica's schedule is relatively usual fixed 10K/12months
The reson I'm asking is I already ahve a few packs of of plain SLX on the shelf and am debating on its suitability. I won't use it in the Celica anyway as that is not whats listed, but it has got me wondering.
Last edited by ALi-B; 14 September 2005 at 01:43 PM.
14 September 2005, 01:35 PM
#11
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Originally Posted by ALi-B
All I want to assertain is what physical difference in properties between in terms of addative etc (i.e what makes longtec SLX different to SLX)
SLX and SLX longtec.
(without the obvious copy/paste off castrol's website been there, done that...means nothing - as usual )
SLX and SLX longtec.
(without the obvious copy/paste off castrol's website been there, done that...means nothing - as usual
)
Originally Posted by ALi-B
...as the PR stuff says its for long drain intevals
14 September 2005, 01:47 PM
#13
Originally Posted by ALi-B
Celica 190 (2ZZ-GE) Offical OATS/Castrol Listing is for SLX Longtec (or 5w-30 GTX Magnatec)
Which makes it confusing...as the PR stuff says its for long drain intevals, yet the Celica's schedule is relatively usual fixed 10K/12months
The reson I'm asking is I already ahve a few packs of of plain SLX on the shelf and am debating on its suitability. I won't use it in the Celica anyway as that is not whats listed, but it has got me wondering.
Which makes it confusing...as the PR stuff says its for long drain intevals, yet the Celica's schedule is relatively usual fixed 10K/12months
The reson I'm asking is I already ahve a few packs of of plain SLX on the shelf and am debating on its suitability. I won't use it in the Celica anyway as that is not whats listed, but it has got me wondering.
It does not specify quality so it's down to what you want to spend really.
For fixed service can I suggest:
Motul 8100 5w-30 is a good pao fully synthetic around Mobil1 quality and not badly priced either.
Cheers
Simon
:...my little green book says otherwise...perhaps it was print error 
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