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by **DuncanFRST** on Thu Dec 07, 2000 10:02 am

Now that the consistency of this oil has changed to 0W-40, is it still save for use in my Fezza RS Turbo?

by **Andrew Malcolm** on Thu Dec 07, 2000 11:47 am

Use Mobil 1 Motorsport <IMG SRC="http://cgi.deep6.force9.co.uk/ubb/smilies/smile.gif"> <IMG SRC="http://cgi.deep6.force9.co.uk/ubb/smilies/smile.gif"> <IMG SRC="http://cgi.deep6.force9.co.uk/ubb/smilies/smokin.gif"> <IMG SRC="http://cgi.deep6.force9.co.uk/ubb/smilies/biggrin.gif">

by **snake** on Fri Dec 08, 2000 8:10 am

They still produce 10w60, but if you can`t get hold of any use Mobil 1 motorsport. 0w40 is too thin.

by **HAMMER26** on Sat Dec 09, 2000 2:07 am

HEY RS BOY,IT IS PERFECTLY SAFE FOR YOU TO USE CASTROL RS 0W-40 IN YOUR FIESTA IN MY RS1800 I USE IT FULLY SYNTHETIC PLUS SLICK 50 FULLY SYNTHETIC USED BOTH TOGETHER THEY WILL PRETECT YOUR ENGINE TO MAX ABILITY THE BEST COMBINATION YOU WILL EVER FIND AND AND IT DOESNT CAUSE LEEKS OR ANYTHING LIKE THAT,REMEMBER ITS ALL ABOUT VESCOSITY,AND NO DISRESPECT INTENDED TO OTHER OPINIONS ON HERE 0W-40 IS NOT TO THIN,IT JUST MEANS ON START-UP ITS GET TO ALL PARTS FASTER THAN OTHER OILS WHICH IS WHAT YOU WANT

by **eil132** on Sun Dec 10, 2000 6:54 am

Use 10w60 or MOBIL 1 MOTORSPORT,nothing else.0w40 is to thin,it will degrade to much at high temperature and burn. <IMG SRC="http://ubbpics.rsoc.co.uk/5878106951.jpg">

by **Excursion** on Sun Dec 10, 2000 11:26 am

Right - Mr Hammer your engine is a totally different design to the CVH- Zetecs are very oil tight in service and are designed to run with the thinner oils. CVH engines however are not - ESPECIALLY ones with a turbocharger. Thin Oil - 0w-30 etc has been proven to do damage to the turbo unit and is not reccomended to be used. The oil film breaks down inside the hot bearing case and causes damage. Your choice, but Id stick to 10-40 or 10-60

by **HAMMER26** on Mon Dec 11, 2000 9:31 am

Wright mr.2000_16v_Turbo,all due respect to your opinion,let me explain something,i work at fords research plant Essex and we have tested many type's of engines cvh zetecs etc with different type's of oil and additives and even in cvh engines with turbo's you can use the thinner oil's,the only reason turbo's get damaged is because of bad maintanance by the owners lack of understanding of turbo's. There are standard turbo's and competition turbo's,if you want to race everyone on the road stick a competition turbo on(although that may not be road legal),and the standard turbo's on most of the earlier ford's are just standard there not really meant for thrashing,and the only reason we used to get oil film break down inside the bearing case was because of thicker oils.Fully synthetic oils like 0w-40 have a greater vescosity which means they have a greater temperature range and you wont get film breakdown 0w-40 is ok to use,but stick to what you feel comfortable with

by **Paul R** on Mon Dec 11, 2000 10:48 am

I think the reason that so many people recomend castrol RS and Mobil 1 motorsport and not mobil 1 0w40 is because Fiesta and some Escort Turbo's smoke on thin oil's, I've read untold posts on this subject from this board and RSOC board and this seems to be common!? I don't know about the tech crap though!! Paul R

by **Excursion** on Mon Dec 11, 2000 11:01 am

Mr Hammer I work for the flow dynamics section of Garret AirResearch UK. We have tested many oils in our turbocharger units and tests consistantly showed film breakdown at high temperatures. The thinnest oil we reccomend is 5w-30. Im interested to hear when you tested a CVH engine with 0w-30 oil - If my memory serves me correct out contract with Ford to supply TO2 units ended in april 1992 (fiesta turbo-CVH). At that time 0w-30 oil was not commercially available - so why waste funds testing such an oil?? Viscosity has little effect on temperature range - as most industrial oils have to be very thick yet retain a very high operating range. The bonding structure of the oil is the governing factor - either synthetic based compounds or more common mineral based. Secondly what is this 'competition' turbo you speak of? All units we supply to motorsport are based on standard models - only modifications are ceramic roller cartidge bearings instead of standard 270. Compressor blades are optimised for the particlar engine to optimise the boost island for the particular user.

by **Excursion** on Mon Dec 11, 2000 11:06 am

PS dude - why does it say your occupation is PUBLISHER in your profile??

by **HAMMER26** on Wed Dec 13, 2000 10:14 am

Mr 200016vturbo it saids publisher in my profile because thats my second income,thats not a crime is it,i was only giving my profesional opinion,didnt mean to cause any offence.

by **Excursion** on Wed Dec 13, 2000 10:18 am

Me neither sir. Im just an arrogant t***-bad week, sorry mate.

by **Excursion** on Wed Dec 13, 2000 10:18 am

What do you publish??

by **HAMMER26** on Wed Dec 13, 2000 10:53 am

Mr 2000-16v-turbo, At work we have tested all sort's of engines, and thousands of different components for engines,and many different type's of oil's even before these oil's reach general sale, i have even tested several concept car's and driven them home to give a full annalysis on the concept car.The first concept car i had the pleasure of testing was what was to be the XR2i 1600 ,but the concept car was the MK3 body shell with a 2 litre twin turbo charged engine with competition gearbox and it was four wheel drive and it was so powerfull it would have cost to much money to produce for general sale,it was more powerfull and faster than the Escort Cosworth i reached a speed of 156mph in it and it still had more room,but being a concept car it was chopped up into little pieces so know one could copy it.

by **Excursion** on Wed Dec 13, 2000 12:28 pm

And we have a secret hanger to test Alien technology.

by **eil132** on Wed Dec 13, 2000 12:38 pm

We have a toilet seat for testing sh*te! lol

by **IanRST** on Sat Dec 16, 2000 7:15 am

I asked my gagage about oils and he rang Fords and asked them what to put in the FRST and he said 5w-30 oil i think i will put in 10w-40 to be on the safe side.

by **snake** on Sun Dec 17, 2000 3:13 am

The grade they gave you was for the zetec engines, according to the ford databooks they recommend 5w-40(formula s). Use Castrol RS 10w60 or Mobil 1 motorsport.

by **DuncanFRST** on Wed Jan 03, 2001 2:41 am

Didn't expect to start an argument! Why did Castol change the consistency of their oil then? Anyone know?

by **AdrianFRST** on Wed Jan 03, 2001 2:54 am

At precisely 13:13 and 13 seconds on Friday 13th October... spooky eh? :oooh:

erm... no idea really, use Mobil Motorsport!! <IMG SRC="http://cgi.deep6.force9.co.uk/ubb/smilies/smile.gif">

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