which engine oil for yb cosworth?!
#1
3dr moonstone cossi
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hi there,
which engine oil is the correct or best for my yb cosworth engine?
i use a 200 engine, cosworth hd-oil-pump and it runs round about 340bhp.
normally synthetic or full synthetic, which specs?!
thanks for help!
which engine oil is the correct or best for my yb cosworth engine?
i use a 200 engine, cosworth hd-oil-pump and it runs round about 340bhp.
normally synthetic or full synthetic, which specs?!
thanks for help!
#3
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Yep as above this is the stuff you want, I run it in my 3 Door:
http://www.opieoils.co.uk/p-68899-fu...ngine-oil.aspx
Rich
http://www.opieoils.co.uk/p-68899-fu...ngine-oil.aspx
Rich
#6
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Btw. is it for daily use? Then I would use a good 5W-50 full synthetic. Nice cold protection and hot stability. For the conscience you should install an extra oil cooler with thermostat.
![Wink](https://passionford.com/forum/images/smilies/icon_wink.gif)
All in all you can say its difficult too find "THE" best oil. It depends of your driving style and usage like daily driver, race trim, short trips etc. But a good 5W-50 full synth is a good allround oil for all seasons IMO.
Du weißt ja, viel hilft nicht immer viel.
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This is why I don't use 10W, 15W 20W cold visco.
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#9
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Hi
In a YB running 340bhp, a 10w-50 is likely to be the best choice
http://www.opieoils.co.uk/c-659-10w-50.aspx
The Nanodrive CFS is, on paper, the best oil available, but the Pro S and CFS are both really good oils, so all are good choices for your car.
Cossiemainful is right about the stability and cold viscosity of something like a 5w-40, but it might be a little thin, especially if it gets hard use.
Cheers
Tim
In a YB running 340bhp, a 10w-50 is likely to be the best choice
http://www.opieoils.co.uk/c-659-10w-50.aspx
The Nanodrive CFS is, on paper, the best oil available, but the Pro S and CFS are both really good oils, so all are good choices for your car.
Cossiemainful is right about the stability and cold viscosity of something like a 5w-40, but it might be a little thin, especially if it gets hard use.
Cheers
Tim
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robvirgo (19-07-2015)
#11
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I'm using 10W-60 Castrol Edge FST right now and my hydraulic tappets are a bit noisy on cold start. They rattle for like 2-5 minutes so I will change oils to thinner ones. My question is, would the popular ester based 10W-50 cure the problem, or should I go for even thinner oil like 10W-40 or 5W-50? Does 10W-40 still have good enough hot protection capabilities, as I'm not doing trackdays or very very hard driving on road, especially as 10W-40 was one of the oils that Ford Cosworth handbook proposes.
Car runs ~300 bhp, engine has done 100 000 miles, street used and I use it on summers mostly and ambient temperatures are usually +5-20 celsius.
I'd also like to hear your experiences on oils concerning the tappet noise that Cosworths are known for...
Car runs ~300 bhp, engine has done 100 000 miles, street used and I use it on summers mostly and ambient temperatures are usually +5-20 celsius.
I'd also like to hear your experiences on oils concerning the tappet noise that Cosworths are known for...
#12
Advanced PassionFord User
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Hi
I can't say it will definitely cure the issue, but a 10w-50 or a 5w-50 is likely to help with the noise as they will flow better.
A 10w-40 might well be okay if you use a good one, but I'd probably go for a 5w-50 over that as it will give be thinner when cold and a bit thicker when hot.
Cheers
Tim
I can't say it will definitely cure the issue, but a 10w-50 or a 5w-50 is likely to help with the noise as they will flow better.
A 10w-40 might well be okay if you use a good one, but I'd probably go for a 5w-50 over that as it will give be thinner when cold and a bit thicker when hot.
Cheers
Tim
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Cossie92 (17-06-2015)
#13
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Ok, I'll try a good 5W-50, that should quieten up the tappets a bit. Not much selection with this grade but I take these two should be good:
http://www.opieoils.co.uk/p-68893-mo...ngine-oil.aspx
http://www.opieoils.co.uk/p-60214-mi...merly-xfs.aspx
http://www.opieoils.co.uk/p-68893-mo...ngine-oil.aspx
http://www.opieoils.co.uk/p-60214-mi...merly-xfs.aspx
#17
Advanced PassionFord User
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Hi Marc
A 10w-50 is ideal for your car.
http://www.opieoils.co.uk/c-659-10w-50.aspx
The Nanodrive CFS is, on paper, the best oil available, but the Pro S, Red Line and CFS are really good oils, so all are good choices for your car.
Cheers
Tim
A 10w-50 is ideal for your car.
http://www.opieoils.co.uk/c-659-10w-50.aspx
The Nanodrive CFS is, on paper, the best oil available, but the Pro S, Red Line and CFS are really good oils, so all are good choices for your car.
Cheers
Tim
#20
PassionFord Post Troll
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Hi Marc
A 10w-50 is ideal for your car.
http://www.opieoils.co.uk/c-659-10w-50.aspx
The Nanodrive CFS is, on paper, the best oil available, but the Pro S, Red Line and CFS are really good oils, so all are good choices for your car.
Cheers
Tim
A 10w-50 is ideal for your car.
http://www.opieoils.co.uk/c-659-10w-50.aspx
The Nanodrive CFS is, on paper, the best oil available, but the Pro S, Red Line and CFS are really good oils, so all are good choices for your car.
Cheers
Tim
#24
Advanced PassionFord User
#25
Advanced PassionFord User
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Yes, it would be too thick when hot. Here is some information about why we don't recommend 10w-60 very often.
http://www.opieoils.co.uk/pdfs/tech-...10w-60-oil.pdf
I don't know what pressure it should be reading, but people often worry too much about oil pressure rather than flow rates, it's the flow that gives the protection. Also, it can be that thinner oils flow better, helping to generate a higher pressure.
Cheers
Tim
#31
Advanced PassionFord User
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Over the years, a lot of companies have recommended 10w-60 for a lot of different vehicles, in many cases they were miles off the mark. I agree with what you're saying about the bigger tolerances and I would say the 10w-60 isn't the worst choice for a Cossie, but I think there are better options.
Cheers
Tim
Cheers
Tim
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