Getting car ready for some more BHP!
#1
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Have been doing some prep work for extracting some more BHP from my engine..
have been messing around with my breather system as i dont think the bailey one is up to much on high powered engines runing tons of boost..
the pics look shit but im just trying to improve on bailey design and have spoken to another company about getting a better one made.
have changed the configuration of the bailey so that it now breathes out of the turbo side of the block (as i now believe it should)rather than using that as a return, and the cam cover and the standard position...
initial testing seems to be positive.
ignore the bottles as they are there just to see if anything actually comes out.
what do people think about this, as you never seem to get a definate answer on the best breather set ups??
![](https://i5.photobucket.com/albums/y189/euanbegbie/2006_070910064.jpg)
![](https://i5.photobucket.com/albums/y189/euanbegbie/2006_070910065.jpg)
![](https://i5.photobucket.com/albums/y189/euanbegbie/2006_070910066.jpg)
should be better once the new seperator and aero hoses are on
next phase is my new exhaust..
picked up my down pipe today..
what you guys think?
4"
![](https://i5.photobucket.com/albums/y189/euanbegbie/GGR003.jpg)
![](https://i5.photobucket.com/albums/y189/euanbegbie/GGR005.jpg)
![](https://i5.photobucket.com/albums/y189/euanbegbie/GGR006.jpg)
having the rest of the system made up in twin 3"..
the exhaust combined with some more mapping and the cams set up should see another 30 BHP on top of my figure just now
have been messing around with my breather system as i dont think the bailey one is up to much on high powered engines runing tons of boost..
the pics look shit but im just trying to improve on bailey design and have spoken to another company about getting a better one made.
have changed the configuration of the bailey so that it now breathes out of the turbo side of the block (as i now believe it should)rather than using that as a return, and the cam cover and the standard position...
initial testing seems to be positive.
ignore the bottles as they are there just to see if anything actually comes out.
what do people think about this, as you never seem to get a definate answer on the best breather set ups??
![](https://i5.photobucket.com/albums/y189/euanbegbie/2006_070910064.jpg)
![](https://i5.photobucket.com/albums/y189/euanbegbie/2006_070910065.jpg)
![](https://i5.photobucket.com/albums/y189/euanbegbie/2006_070910066.jpg)
should be better once the new seperator and aero hoses are on
![Big Grin](https://passionford.com/forum/images/smilies/icon_biggrin.gif)
next phase is my new exhaust..
picked up my down pipe today..
what you guys think?
4"
![Top](https://passionford.com/forum/images/smilies/smile011.gif)
![](https://i5.photobucket.com/albums/y189/euanbegbie/GGR003.jpg)
![](https://i5.photobucket.com/albums/y189/euanbegbie/GGR005.jpg)
![](https://i5.photobucket.com/albums/y189/euanbegbie/GGR006.jpg)
having the rest of the system made up in twin 3"..
the exhaust combined with some more mapping and the cams set up should see another 30 BHP on top of my figure just now
![Top](https://passionford.com/forum/images/smilies/smile011.gif)
#3
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Originally Posted by Matt
euan whats the point in having an exhaust bore wider than the turbo outlet?
And hell, inside the turbo the space is MILES less than at the outlet.
Backpressure.
#4
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I am not the best person to explain it matt but i have seen AVA testing exhaust on various high power cars an they know this works...
in a standard off the shelf cossies exhaust(magnex, mongoose) there is back pressure in the exhasut at anythin gover 300 ATW...
i have mega back pressure at 400..
Alan and Tom at AVA worked out the theoretical size the exhaust needs to be an this is the best way to try and achive it.
reduction in back presssure is only a good thing and i wont have the T4 for ever
in a standard off the shelf cossies exhaust(magnex, mongoose) there is back pressure in the exhasut at anythin gover 300 ATW...
i have mega back pressure at 400..
Alan and Tom at AVA worked out the theoretical size the exhaust needs to be an this is the best way to try and achive it.
reduction in back presssure is only a good thing and i wont have the T4 for ever
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#5
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not being smart btw steve......
wont be any back pressure though if outside the exit is larger?
backpressure.......ive read both for and against
always remember bicknells grey escort needing shit loads more fuel putting in the map after the larger exhaust was fitted...think ive just answered my own q there!
wont be any back pressure though if outside the exit is larger?
backpressure.......ive read both for and against
always remember bicknells grey escort needing shit loads more fuel putting in the map after the larger exhaust was fitted...think ive just answered my own q there!
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#11
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Originally Posted by Matt
cant understand fuck all the weegie says at the best of times so owt techie is defo out the window ![Big Grin](https://passionford.com/forum/images/smilies/icon_mrgreen.gif)
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Originally Posted by rapidcossie
Originally Posted by Ollie6RS2
You'll never catch me!!!!!
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i know the old taxi aint a patch on your jap mobile
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This is soooo quick just now... How you gonna get grip now!
I gotta get a run in this Euan! Can wait to see it all finished. Looks like it will be soon
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not more tinkering! think he spends half his life under the bonnet of this car! lol!
mega quick thou, I love going out for "Testing" runs in this
even if he is always shouting at the Faulty SPA gauges! lol
mega quick thou, I love going out for "Testing" runs in this
even if he is always shouting at the Faulty SPA gauges! lol
#24
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Rod is your current set up breathing from the cam cover, the standard postion and the turbo side then the first tank is a seperator and the second a catch tank?
#25
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Originally Posted by dave120
not more tinkering! think he spends half his life under the bonnet of this car! lol!
mega quick thou, I love going out for "Testing" runs in this
even if he is always shouting at the Faulty SPA gauges! lol
mega quick thou, I love going out for "Testing" runs in this
even if he is always shouting at the Faulty SPA gauges! lol
thanks to Tony at SPA who sorts all this out for me
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#28
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Originally Posted by rapidcossie
Rod is your current set up breathing from the cam cover, the standard postion and the turbo side then the first tank is a seperator and the second a catch tank?
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Mark
#29
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Originally Posted by CossieRich
Rod,
What breather system were you using with your old 504 bhp set-up and was it effective?
What breather system were you using with your old 504 bhp set-up and was it effective?
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With the new spec long stroke engine and the NOS we needed something a little more
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Mark
#31
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Originally Posted by Lambchop
Euan you're like a woman! At knockhill you had decided that gaining an extra 30bhp WASN'T worth the time and money
I said you'd do it
Good choice![Wink](https://passionford.com/forum/images/smilies/icon_wink.gif)
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I said you'd do it
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Good choice
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will aslo have the extra power at lower boost level so should be easier on the engine
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#32
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Originally Posted by Lambchop
Euan you're like a woman! At knockhill you had decided that gaining an extra 30bhp WASN'T worth the time and money
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#36
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think for high HP applications its advisable to have a swirl and a catch tank seperate, like rods setup, rather than an all in one item.
correct?
i have a very similar setup to rods.
correct?
i have a very similar setup to rods.
#38
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my new breathe ris the GGR one that was used on the old race cars.. so should be ok for mine..
i would up grade breather at anything over stage one
i would up grade breather at anything over stage one
#39
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Originally Posted by Ryan
think for high HP applications its advisable to have a swirl and a catch tank seperate, like rods setup, rather than an all in one item.
correct?
i have a very similar setup to rods.
correct?
i have a very similar setup to rods.
there should be a seperator and a catch tank, but a swirl pot?
you mean for the coolant system?
#40
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fitted my new breather today..
first impressions are good...
just need to sort a catch tank and a return into the sump...
![](https://i5.photobucket.com/albums/y189/euanbegbie/GGR011.jpg)
![](https://i5.photobucket.com/albums/y189/euanbegbie/GGR009.jpg)
![](https://i5.photobucket.com/albums/y189/euanbegbie/GGR010.jpg)
ignore the baily sperator as im just using it a catch tank for the moment..
also fitted my new power steering tank courtesy of Bosch -Man
first impressions are good...
just need to sort a catch tank and a return into the sump...
![](https://i5.photobucket.com/albums/y189/euanbegbie/GGR011.jpg)
![](https://i5.photobucket.com/albums/y189/euanbegbie/GGR009.jpg)
![](https://i5.photobucket.com/albums/y189/euanbegbie/GGR010.jpg)
ignore the baily sperator as im just using it a catch tank for the moment..
also fitted my new power steering tank courtesy of Bosch -Man
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