cosworth breather systems look & discuss please
18-04-2009, 07:48 AM
#1
cosworth breather systems look & discuss please
This is the one thats on my car does anyone know what type it is & does it work any good? im having a bit of smoke on gearchange but the turbo is mint should i ditch this system & fit another one? i noticed where it breathers from the block on the exhaust side the pipe is really thin.
Opinions please
Opinions please
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18-04-2009, 09:16 AM
#15
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you dont have to use the rocker port though do you ? i have a small breather with one pipe going to exhaust side, one pipe going to kidney port, one to atmosphere and the there other is the return to sump
18-04-2009, 02:49 PM
#18
I have a bailey setup on mine, i can't comment on it as it's just gone on and not road tested but i've since heard that it's better to return the oil return to the sump as apposed to the block is this right??
Where on the sump, is it better right at the bottom?? and it would work better if the 16mm outlet was opened up?
Where on the sump, is it better right at the bottom?? and it would work better if the 16mm outlet was opened up?
26-03-2011, 01:33 AM
#31
Right this is a good place to start from again
I am having difficulties understanding this Spec R system
I have the same style as what Carlo had on the 3dr but i'm getting confused to to how it all works and plumbs up.
I have 5 ports in the separator and catch tank as pictured
This is the way i was originally told to plumb it up
I have since been informed that this way will draw too much oil and basically dump it all in the catch tank as they found out when oil was pissing out of the filter.
The way i would plumb in now
The way i was informed and what i would have done is this way, similar to the way i had my bailey system plumbed in.
I know the system will work the way above but what is confusing me is what systems are people running that allows them to return under the oil line in the sump without drawing the oil out???
Your thoughts
I am having difficulties understanding this Spec R system
I have the same style as what Carlo had on the 3dr but i'm getting confused to to how it all works and plumbs up.
I have 5 ports in the separator and catch tank as pictured
This is the way i was originally told to plumb it up
I have since been informed that this way will draw too much oil and basically dump it all in the catch tank as they found out when oil was pissing out of the filter.
The way i would plumb in now
The way i was informed and what i would have done is this way, similar to the way i had my bailey system plumbed in.
I know the system will work the way above but what is confusing me is what systems are people running that allows them to return under the oil line in the sump without drawing the oil out???
Your thoughts
26-03-2011, 01:44 AM
#32
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m8, it looks as if its full of oil (on the pic) ??? or did the hose go dark from age/use ?
if its full then thats the reason for your trouble imho.
if its full then thats the reason for your trouble imho.
26-03-2011, 08:47 AM
#36
Yes Justin, i have been informed with the spec r system if you plumb the bottom separator hose to the sump it will purely pump oil straight from the sump into the catch tank. So i'm plumbing mine above and into the ex side of the block.
What i would like to know though is why some have basic kit's and have them plumbed into the pump and what are the downsides of returning to the block and positives going into the sump?
What i would like to know though is why some have basic kit's and have them plumbed into the pump and what are the downsides of returning to the block and positives going into the sump?
26-03-2011, 08:56 AM
#37
Yes Justin, i have been informed with the spec r system if you plumb the bottom separator hose to the sump it will purely pump oil straight from the sump into the catch tank. So i'm plumbing mine above and into the ex side of the block.
What i would like to know though is why some have basic kit's and have them plumbed into the pump and what are the downsides of returning to the block and positives going into the sump?
What i would like to know though is why some have basic kit's and have them plumbed into the pump and what are the downsides of returning to the block and positives going into the sump?
i've seen daves post and dont understand how it can do that??
if you retun into the sump below oil level there's no pressure to push the oil into the catch tank because its below oil level.
if you return into the block, thats when you are going to get pressure through the drain because the block has pressure.
all big power cars like harveys etc will breathe from either side of the block and return below oil level.
the oil return will never go to the block where it needs to breathe
Last edited by B13 JUS; 26-03-2011 at 09:27 AM.
26-03-2011, 08:59 AM
#38
if you read this from ggr website you should understand how a breather works
http://www.grahamgoode.com/breath.htm#diag
26-03-2011, 09:06 AM
#39
i've seen daves post and dont understand how it can do that??
if you retun into the sump below oil level there's no pressure to push the oil into the catch tank because its below oil lever.
if you return into the block, thats when you are going to get pressure through the drain because the block has pressure.
all big power cars like harveys etc will breathe from either side of the block and return below oil level.
the oil return will never go to the block where it needs to breathe
if you retun into the sump below oil level there's no pressure to push the oil into the catch tank because its below oil lever.
if you return into the block, thats when you are going to get pressure through the drain because the block has pressure.
all big power cars like harveys etc will breathe from either side of the block and return below oil level.
the oil return will never go to the block where it needs to breathe
I'm sure someone can explain why
26-03-2011, 09:17 AM
#40
its does'nt matter what system you use they all seperate the oil and air.
the oil returning to the block from the seperator can't have pressure going the opposite way or the oil will be forced back up the pipe and back into the seperator.
the only place on a engine that has no pressure is in the sump below oil level.
i can't see how daves engine was forcing oil back up to the seperator if his return was below oil level.
may be his sump fitting for his return was welded onto the top of the wing on his big wing sump and his oil level was lower than the fitting??? thats why i put my fitting closer to the bottom so if was definatley below oil level.
the oil returning to the block from the seperator can't have pressure going the opposite way or the oil will be forced back up the pipe and back into the seperator.
the only place on a engine that has no pressure is in the sump below oil level.
i can't see how daves engine was forcing oil back up to the seperator if his return was below oil level.
may be his sump fitting for his return was welded onto the top of the wing on his big wing sump and his oil level was lower than the fitting??? thats why i put my fitting closer to the bottom so if was definatley below oil level.
Last edited by B13 JUS; 26-03-2011 at 09:18 AM.