Saxo Engine/Performance If you're interested in tuning Saxo engines, or if you need to know something which is engine related... this is the place for you. |
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7th June 2007, 10:49
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#181
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Established Member
Join Date: Feb 2005
Location: Truro United Kingdom (England)
Posts: 1,229
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No need to flush, just drain and replace.
Cheers
Guy.
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8th June 2007, 18:13
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#182
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Regular Poster
Join Date: Feb 2007
Location: cheshire, winsford
Posts: 493
Car(s): VTS track car, vtr
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is 5w30 ok? for a track/road VTR
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8th June 2007, 18:15
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#183
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Established Member
Join Date: Feb 2005
Location: Truro United Kingdom (England)
Posts: 1,229
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Quote:
Originally Posted by D34no
is 5w30 ok? for a track/road VTR
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5w-30 or 5w-40 but I think 5w-40 would be the preferred choice
Cheers
Simon
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16th June 2007, 12:37
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#184
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Saxperience Forum Bum
Join Date: Mar 2007
Location: Bath/Warminster
Posts: 2,616
Car(s): 57 plate C2 VTS & a saxo 1.4
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What oil should I use for my 1.4? It is on 85K miles. I am regulary using high revs
Cheers Oilman (or anybody else that could help)
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16th June 2007, 13:46
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#185
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Established Member
Join Date: Feb 2005
Location: Truro United Kingdom (England)
Posts: 1,229
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A 5w-40 would be a good choice
Cheers
Guy
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16th June 2007, 14:07
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#186
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Saxperience Forum Bum
Join Date: Mar 2007
Location: Bath/Warminster
Posts: 2,616
Car(s): 57 plate C2 VTS & a saxo 1.4
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Quote:
Originally Posted by oilman
A 5w-40 would be a good choice
Cheers
Guy
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Was that reply aimed at me buddy? lol
I am slightly confused by all these varitions in oil. In the halfords oil book, it says that I should used 15w - 40... Is that thinner or thicker than 5w- 40? Sorry if that is a really dumb question
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16th June 2007, 14:39
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#187
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Established Member
Join Date: Feb 2005
Location: Truro United Kingdom (England)
Posts: 1,229
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The difference is the cold crank, the lower the better.
If you see an expression such as 10W-40, the oil is a multigrade.
This simply means that the oil falls into 2 viscosity grades, in this case 10W & 40.
This is made possible by the inclusion of a polymer, a component which slows down the rate of thinning as the oil warms up and slows down the rate of thickening as the oil cools down.
It was first developed some 50 years ago to avoid the routine of using a thinner oil in winter and a thicker oil in summer.
For a 10w-40 to attain the specification target a 10W ( W = winter) the oil must have a certain maximum viscosity at low temperature. The actual viscosity and the temperature vary with the viscosity grade but in all cases the lower the number, the thinner the oil, e.g. a 5W oil is thinner than a 10W oil at temperatures encountered in UK winter conditions.
This is important because a thinner oil will circulate faster on cold start, affording better engine protection.
For a 10w-40 to attain the other specification target a 40 oil must fall within certain limits at 100 degC. In this case the temperature target does not vary with the viscosity grade, if there is no "W", the measuring temperature is always 100degC. Again the lower the number the thinner the oil, a 30 oil is thinner than a 40 oil at 100 degC., which is typical of maximum bulk oil temperatures in an operating engine.
The engine makers are, of course, very well aware of this and specify oils according to engine design features, oil pump capacities, manufacturing tolerances, ambient temperature conditions etc. It is important to follow these guidelines, they are important and are an are stipulated for good reasons.
If the engine has been modified, the operating conditions may well be outside the original design envelope. The stress on the oil caused by increased maximum revs, power output and temperature may indicate that oil of a different type and viscosity grade would be beneficial.
Cheers
Simon
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16th June 2007, 14:50
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#188
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Saxperience Forum Bum
Join Date: Mar 2007
Location: Bath/Warminster
Posts: 2,616
Car(s): 57 plate C2 VTS & a saxo 1.4
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So if 5w - 40 is a thinner oil, surely at high revvs it won't protect as much as 15w-40?
I pretty much understood half of what you just said mate. Great answer, but the dummy reading it isn't too hot on his engines
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16th June 2007, 18:10
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#189
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Established Member
Join Date: Feb 2005
Location: Truro United Kingdom (England)
Posts: 1,229
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Nope, when hot they are both 40, sae 40 and the same thickness at 100degC
14cst (centistokes)
Cheers
Simon
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17th June 2007, 12:02
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#190
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Infrequent Poster
Join Date: Dec 2005
Location: Stevenage/Herts
Posts: 134
Car(s): MK1 Saxo VTS
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hi,
1999 VTS - 74k miles
Induction Kit/ Re-mapped
road use only
Thanks
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17th June 2007, 16:29
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#191
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Established Member
Join Date: Feb 2005
Location: Truro United Kingdom (England)
Posts: 1,229
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Synthetic 5w-40
Cheers
Guy
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17th June 2007, 21:51
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#192
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Saxperience Post Whore
Join Date: Jan 2007
Location: Shropshire
Posts: 9,994
Car(s): Moonstone Blue 106 GTi
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Hey Guy / Simon
My 106 GTi has done 100k miles now, only recently got the car checked the oil the other day and it seemed a bit blacker than it should, the hydro tappets are a bit noisy to so time for a change!
So what should I go for? 5/40 or 10/40? and what brand? Car just had usual manifold, exhaust and piper 270s in.
Thanks
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18th June 2007, 10:59
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#193
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Established Member
Join Date: Feb 2005
Location: Truro United Kingdom (England)
Posts: 1,229
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Quote:
Originally Posted by Sophia_Bush
Hey Guy / Simon
My 106 GTi has done 100k miles now, only recently got the car checked the oil the other day and it seemed a bit blacker than it should, the hydro tappets are a bit noisy to so time for a change!
So what should I go for? 5/40 or 10/40? and what brand? Car just had usual manifold, exhaust and piper 270s in.
Thanks
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Hi,
It depends on how good you want to go and how much you wish to spend.
The cost option is for a 10w-40 semi synthetic with very regular oil changes. The quality choice is for a 5w-40 and 0w-40 full synthetic and these last a lot longer.
Brand wise, our favorites are Silkolene, Fuchs and Motul.
Cheers
Guy.
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18th June 2007, 21:32
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#194
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Saxperience Post Whore
Join Date: Jan 2007
Location: Shropshire
Posts: 9,994
Car(s): Moonstone Blue 106 GTi
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I do not have a problem spending money if it means my engine will run quieter/better/last longer!!
As I say the hydro tappets are a bit noisy so I think a good 5w-40 would be ok?
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19th June 2007, 10:45
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#195
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Established Member
Join Date: Feb 2005
Location: Truro United Kingdom (England)
Posts: 1,229
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Indeed 5w-40 will make an ideal choice.
Cheers
Guy.
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28th June 2007, 22:31
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#196
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L-plater
Join Date: Sep 2006
Location: Dereham, Norfolk
Posts: 65
Car(s): Saxo VTS
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Which oil?
Hi, I was wondering what oil you would reccomend for my Saxo, the spec is as follows:
2000 vts
Newman PH3 cams
Slightly worked cylinder head
Carbon air box
Magnex exhaust
Fresh engine, completely rebuilt and not yet run
The car will see some road use but also track work and tarmac rallying too.
Thanks a lot
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28th June 2007, 22:44
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#197
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Saxperience Hardcore!
Join Date: Mar 2005
Location: Newcastle Upon Tyne
Posts: 19,910
Car(s): CW Honda Integra DC5
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Which oil oilman ?
2000 90bhp VTR
Magnex cat-back + gmc manifold
standard intake
Thrashed around counrty lanes most days for a good 20 mins +
then used to get to work on dual carriage way at 50mph
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If You Master One Of These, You'll Definitely Be A Good Driver - Takuya Kurosawa
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29th June 2007, 09:50
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#198
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Established Member
Join Date: Feb 2005
Location: Truro United Kingdom (England)
Posts: 1,229
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Quote:
Originally Posted by jstimpson1
Hi, I was wondering what oil you would reccomend for my Saxo, the spec is as follows:
2000 vts
Newman PH3 cams
Slightly worked cylinder head
Carbon air box
Magnex exhaust
Fresh engine, completely rebuilt and not yet run
The car will see some road use but also track work and tarmac rallying too.
Thanks a lot
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Hi,
To run in use a 10w-40 semi, run for around 1000 miles. Once run in a 5w-40 synthetic, for competition use the ester based synthetics of Silkolene and Motul.
Cheers
Guy.
__________________
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email: sales@opieoils.co.uk
phone: 01209 202944
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29th June 2007, 09:52
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#199
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Established Member
Join Date: Feb 2005
Location: Truro United Kingdom (England)
Posts: 1,229
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Quote:
Originally Posted by Steve_VTR
Which oil oilman ?
2000 90bhp VTR
Magnex cat-back + gmc manifold
standard intake
Thrashed around counrty lanes most days for a good 20 mins +
then used to get to work on dual carriage way at 50mph
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A good 5w-40 synthetic is ideal, these dont cost the earth and are much better then a semi.
Have a look at Fuchs and Motul 8100.
http://www.opieoils.co.uk
Cheers
Guy.
__________________
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email: sales@opieoils.co.uk
phone: 01209 202944
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29th June 2007, 22:17
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#200
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Saxperience Hardcore!
Join Date: Mar 2005
Location: Newcastle Upon Tyne
Posts: 19,910
Car(s): CW Honda Integra DC5
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Quote:
Originally Posted by oilman
A good 5w-40 synthetic is ideal, these dont cost the earth and are much better then a semi.
Have a look at Fuchs and Motul 8100.
http://www.opieoils.co.uk
Cheers
Guy.
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thanks, does oil affect performance? oils still clean but car running a bit shat
what about gearbox oil aswel mate?
__________________
Nürburgring - Stability Has Priority Over Line
If You Master One Of These, You'll Definitely Be A Good Driver - Takuya Kurosawa
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