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-15 degrees and engine workings....

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Old 27-02-2005, 11:24 PM
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Azrael
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Default -15 degrees and engine workings....

Just came back from short (40km's ) ride in my Cossie on this freezy wether and found out special peculiarity. My Cossie always did spit flames from exhaust from time to time but today in this cold wether each time I go faster and change gear at 4k+ rpm and more then 1bar it just does big BANG and there is small flash in the night behind me. Is this some kind of engine menagment peculiarity in this wether? or is it something to do with exhaus being very cold? Or what?

By the way - even on very clean tarmac there isn't much grip when -15 even on winter tire ;-/
Old 27-02-2005, 11:35 PM
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Stu @ M Developments
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-15?
Old 27-02-2005, 11:38 PM
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AndyRST
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im guessing but colder air is more dense. The denser the air the more can be sucked in and burnt, the ecu compensates for the denser air and injects more fuel? and boom you have a bigger bang with a possible flame on lift off.

all of that is guess work
Old 27-02-2005, 11:38 PM
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cossiemen
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Originally Posted by Stu @ M Developments
-15?
yep, overhere it's -10 at the mo
Old 27-02-2005, 11:44 PM
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ITs showing -3ºc in kent tonight, but -15ºc thats mental. Doesnt Fuel atomise at those sorts of temperatures? If so what sort of engine running problems would you expect to see ?
Old 27-02-2005, 11:47 PM
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Originally Posted by cossiemen
Originally Posted by Stu @ M Developments
-15?
yep, overhere it's -10 at the mo

You've got nice rally in Belgium now - Rallye Ardennes -> polish crew won it - Leszek Kuzaj/Maciej Szczepaniak in N-group Scoobie. All the WRC's were beaten - probably they don't drive on snow often.
Old 27-02-2005, 11:49 PM
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Originally Posted by Stu @ M Developments
-15?

Yep Stu - it was few hour ago as durin g the night it's falling I suppose it's now about -18. It isn't so cold though. I remember driving at -25 or something - funny I could see condesation from exhaust behind the car while driving 150km/h in my rear view mirror. Like a f...in airplain in stratosphere
Old 27-02-2005, 11:50 PM
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cossiemen
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ahhhh fook

completely forgotten about that rally, was planned going there cause it's a very good rally... ahh well, next year

for the Polish drivers mate
Old 27-02-2005, 11:51 PM
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Originally Posted by AndyRST
ITs showing -3ºc in kent tonight, but -15ºc thats mental. Doesnt Fuel atomise at those sorts of temperatures? If so what sort of engine running problems would you expect to see ?


You can have some problems with firing it but down to -25 or -30 I wouldn't expect any bigger problems. Never had any witho normal cars. On my Cossie I only see that cooling system is a little bit too good and I need to have heater on full all the time and 2 gear of blowe to have nice warm interior so I can stay only in my Sparco glowes and some POlar Jacket.. anyway it may be leaky thermostat...
Old 27-02-2005, 11:55 PM
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Originally Posted by cossiemen
ahhhh fook

completely forgotten about that rally, was planned going there cause it's a very good rally... ahh well, next year

for the Polish drivers mate
Really a good one form what I hear. They cancelled another rally in Poland because of insufficent funds so our drivers went to Belgium. Some photos ->







The sensation was this Porker.. Quite good time for RWD GT car on SUCH tires!!!!



Old 27-02-2005, 11:57 PM
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quality pics my friend
Old 27-02-2005, 11:59 PM
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I really like the idea of reintroducing Porkers into rally world. On tarmac the may be very dangerous to WRC's and S1600...


Pics are quality - it's one of the advantages of being moderator -> users send allkind of pics to your forum And forum.subaru.pl is often full of rally pics
Old 28-02-2005, 12:02 AM
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right, will take a look @ forum.subaru.pl tommorow

cause now it's bedtime for me

nite nite
Old 28-02-2005, 12:04 AM
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Originally Posted by cossiemen
right, will take a look @ forum.subaru.pl tommorow
I don't expect you to understand much :-(

cause now it's bedtime for me

nite nite
Sleep well, close the window - it's not nice to wake up with frost on your face
Old 28-02-2005, 12:10 AM
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Love them pics, superb
Old 28-02-2005, 12:16 AM
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Originally Posted by Itsmeagain
Love them pics, superb

OK, so I put some more

It's Krzysztof Hołowczyc - one of the top driver from few years ago. He took part in RAC raly few tie, was vice European Champion and European Champion and this year drove in Paris-Dakar. This is his practise in snow from 3 or 4 days ago.








Old 28-02-2005, 12:17 AM
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Still no replys on my original question?
Old 28-02-2005, 12:58 AM
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if the stat is fooked, could it be you are getting back into the temps of a cold engine and its richening it up for cold start...which would cause you to overfuel and fill the night sky with flames ??????????


just a guess


Pugo

ps -15 is fookin cold.....sod getting a puncture
Old 28-02-2005, 07:27 AM
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Andreas
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If im not mistaken the cars sold in scandinavia had a hotter thermostat fitted so if you got problem with low temps during winter try one of them.
Old 28-02-2005, 09:01 AM
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There is no problem with thermostat. Engine temp is rock solid at half of the scale while driving. Only while cruising it blow much colder air then while fact driving - the heat from the turbo can be really felt.
Old 28-02-2005, 10:40 AM
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off subject a bit, but whats the lowest temp recorded in poland etc

I know brittains something like -26 odd
Old 28-02-2005, 11:25 AM
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Originally Posted by Chipperx2
off subject a bit, but whats the lowest temp recorded in poland etc

Dunno, probably about -40 or something in the mountains. Depends on how long term are we talking about. In XIV century there was such a winter that people could go to Sweden by sledge through Baltic Sea
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