what oil???(i know its bin asked b4)
#1
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what oil???(i know its bin asked b4)
ive done a search but all i got was a headache when some1 asks this question it seems to spark off a big descusion about oil 5w40,5w50,10w40,10w50,15w40,15w50 etc i have a my94 classic wrx sti with few mods(exhaust,decat,air filter) with nearly 100k up its ****, i just wanted to know what would be the best oil for my spec(without hearing any unusual noises that some oils apparently do) cheers will
#5
Many good oils.
You want a good fully synthetic oil, even better if it has a good % of esters in it ( as does Motul 300v ).
I have used castrol RS, Mobil 1 motorsport, and all worked well.
You want a good fully synthetic oil, even better if it has a good % of esters in it ( as does Motul 300v ).
I have used castrol RS, Mobil 1 motorsport, and all worked well.
#6
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Ester is a group V basestock and it's addition is a real plus.
All jet engines are lubricated with synthetic esters, and have been for 50 years, but these expensive fluids only started to appear in petrol engine oils about 20 years ago. Thanks to their aviation origins, the types suitable for lubricants work well from –50 degC to 200 degC, and they have a useful extra trick.
Due to their structure, ester molecules are “polar”; they stick to metal surfaces using electrostatic forces. This means that a protective layer is there at all times, even during that crucial start-up period. This helps to protect cams, gears, piston rings and valve train components, where lubrication is “boundary” rather than “hydrodynamic”, i.e. a very thin non-pressure fed film has to hold the surface apart. Even crank bearings benefit at starts, stops or when extreme shock loads upset the “hydrodynamic” film.
The likes of Silkolene PRO, Motul 300V and Redline are a few that contain a healthy dose of esters.
Cheers
Simon
All jet engines are lubricated with synthetic esters, and have been for 50 years, but these expensive fluids only started to appear in petrol engine oils about 20 years ago. Thanks to their aviation origins, the types suitable for lubricants work well from –50 degC to 200 degC, and they have a useful extra trick.
Due to their structure, ester molecules are “polar”; they stick to metal surfaces using electrostatic forces. This means that a protective layer is there at all times, even during that crucial start-up period. This helps to protect cams, gears, piston rings and valve train components, where lubrication is “boundary” rather than “hydrodynamic”, i.e. a very thin non-pressure fed film has to hold the surface apart. Even crank bearings benefit at starts, stops or when extreme shock loads upset the “hydrodynamic” film.
The likes of Silkolene PRO, Motul 300V and Redline are a few that contain a healthy dose of esters.
Cheers
Simon
#7
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http://www.commaoil.com/Product%20%2...-10w-40-5L.gif
£15 for 5 Litres and recommended by my Motor Factors - an Oil change every 6 months means that you really would be wasting your money buying the expensive ones IMO
Pete
£15 for 5 Litres and recommended by my Motor Factors - an Oil change every 6 months means that you really would be wasting your money buying the expensive ones IMO
Pete
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#9
Oh goodness!
I've just had a thought, do you think Pete posts on aviation boards.
"What oil is ok for my 25 years old 747? and I don't thrash it".
"Get down your local motor factors".
I've just had a thought, do you think Pete posts on aviation boards.
"What oil is ok for my 25 years old 747? and I don't thrash it".
"Get down your local motor factors".
#10
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Originally Posted by Vegescoob
Oh goodness!
I've just had a thought, do you think Pete posts on aviation boards.
"What oil is ok for my 25 years old 747? and I don't thrash it".
"Get down your local motor factors".
I've just had a thought, do you think Pete posts on aviation boards.
"What oil is ok for my 25 years old 747? and I don't thrash it".
"Get down your local motor factors".
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