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Home > Help Needed / General Tech Chat > Oil Cooler Size

Sprocket

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Preston On The Brook

What size should I be looking at for a highly tuned turbo engine. 13 or 16 row?

On 26th Oct, 2004 TurboDave16v said:
Is it A-Series only? I think it should be...
So when some joey comes on here about how his 16v turbo vauxhall is great compared to ours, he can be given the 'bird'...


On 26th Oct, 2004 Tom Fenton said:
Yep I agree with TD........


Carl

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liverpool-on-sea

1d say a 13 row with thermostat will be more than enough. but id say the thermostate is important i use a mocal one from avonbar that fits inbetween the oil filter and housing then has to unions out of it for the cooler. never measured temp tho. some people argue a coolers not needed.

no longer a series, but still 1.3 turbo.

On 28th Nov, 2008 Sprocket said:
Oh now that is a long shaft you have Carl.


antman

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Snetterton, Norfolk

I don't suppose you know how hot the oil is running atm do u? I agree with Carl that running a stat is important and IMO the smaller one will be more than enough. Even on our f1 cars we run quite small coolers, we run our oil about 90 - 110 celcius max but occasionally 140 gets seen in real hot climates.


Sprocket

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Preston On The Brook

Dont know how hot it is as i havent built it yet *wink* and i have no idea on output either.
Carl, i was always going to fit an oil temp stat anyway. ta for the thought.

what gets me is the coolers are sold by rows, not how much heat they reject.

I was also thinking that the 13row would be good enough. LOL, makes it a little easier to squeeze it under a round nose *tongue*

Ant, that is usefull. I was just a little unsure as a turbo obviously dumps a load of heat to the oil as well.

On 26th Oct, 2004 TurboDave16v said:
Is it A-Series only? I think it should be...
So when some joey comes on here about how his 16v turbo vauxhall is great compared to ours, he can be given the 'bird'...


On 26th Oct, 2004 Tom Fenton said:
Yep I agree with TD........


antman

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Snetterton, Norfolk

Yeah thats the only unknown, having never ran a turbo car! It also depends on the amount of airflow its subjected to. Have you considered an Oil-Water heat exchanger? Then you just need a very good rad.


Joe C

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Carlos Fandango

Burnham-on-Crouch, Essex

I'd leave it off totaly and see how hot the oil gets.

On my n/a 1380 the gauge hardly moves, infact i thught it were broke so i changed it, thats the same, and the other one checks out in boiling water.

Most i've ever seen is about 100 deg on the motorway at 90mph after about half hour.

I have a water/oil cooler now, moves a bit sooner, still dosent get really hot though

Edited by Joe C on 24th Feb, 2007.

On 28th Aug, 2011 Kean said:
At the risk of being sigged...

Joe, do you have a photo of your tool?



http://www.turbominis.co.uk/forums/index.p...9064&lastpost=1

https://joe1977.imgbb.com/



iain
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Sold the turbo and seeing what the C20XE can do!

Near Lincoln

my miglia runs a 9 row or less (could be a 7) and i've kept the same cooler for my turbo.

see what happens i guess but i reckon modern oil will be more than up to the job.


Dangerous

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Swindon

I got a 13 but it don't get much airflow


Metro turbo weekend driver,Mini turbo in the making again!



RogerM

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I like nice quiet girly Minis

Cheltenham, Gloucestershire

With a stat it sort of makes sense to have a bigger cooler than you actually need so that the reaction to over temp is too cool the oil very quickly. With the stat obviously it cools only when needed so you avoid the over cooling problem associated with a larger cooler.

I am supprised your 1380 isn't getting hot Mini13 .... my NA 1380 (122BHP so it is a hot street motor) is running oil temps of around 95 deg C (95 stat fitted) but before it could easily get to 130-135 degs in two laps of Coombe

Every day is a school day ...........

How fast and how expensive ...... the same question...

On 27th of Sep, 2007 at 12:45pm Jimster said:

why do you you think I got a girlfriend with small hands?


T3Tone

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Sunny suffolk

Im with mini13, run a gauge and see what temps the oil runs at without a cooler. Never used one with mine and as stated above modern oils are more than up to the job. Millers CTV 20w/50 seems to be the oil of choice for many at the moment, im very impressed with it.

-MINI CLUBMAN 1380 TURBO-


Lone Wolf

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Yours from the Funny Farm

isnt 13 row a lil on the small side?
Avonbar are selling a 19 row cooler and advertising it as a turbo one.

also why is a thermostat needed? cool oil is surely better than hot oil?

or am i being a total cock?

i apologise for the lack of knowledge but thats why i ask questions,to expand it

Warning:Stig in Training


The Turbocharger:God's Finest Minute


Joe C

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Carlos Fandango

Burnham-on-Crouch, Essex



On 25th of Feb, 2007 at 11:52am RogerM said:


I am supprised your 1380 isn't getting hot Mini13 .... my NA 1380 (122BHP so it is a hot street motor) is running oil temps of around 95 deg C (95 stat fitted) but before it could easily get to 130-135 degs in two laps of Coombe


Actually me too,

Fair enough i only normally do short journeys, and the engines probably only about 80 odd brake and don't rev the tits off it all the time. but i'd still expect it to get up around 100, but its normally down around 50-70 (sump temp)

Also I'm pretty sure the water temp (88deg stat) stays down better after fitting an oil to water cooler, almost as if the oil is cooling the water...

Tom the oil needs to be warm (ideally 90-110deg?) to help evaporate off combustion deposits, also cold oil is to thick, it needs to warm up and thin out to get through the oilways, and between the bearings properly, there has to be enough volume of oil flowing to carry heat away.

Edited by Joe C on 25th Feb, 2007.

On 28th Aug, 2011 Kean said:
At the risk of being sigged...

Joe, do you have a photo of your tool?



http://www.turbominis.co.uk/forums/index.p...9064&lastpost=1

https://joe1977.imgbb.com/



Lone Wolf

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Yours from the Funny Farm

gotcha mate. thanks
what about the stat though?
does it make a difference to the longevity of the engine? or any difference at all?

Warning:Stig in Training


The Turbocharger:God's Finest Minute


JT

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Hertfordshire



On 25th of Feb, 2007 at 03:35pm mini13 said:



Tom the oil needs to be warm (ideally 90-110deg?) to help evaporate off combustion deposits, also cold oil is to thick, it needs to warm up and thin out to get through the oilways, and between the bearings properly, there has to be enough volume of oil flowing to carry heat away.




and thats why you should never rev a cold engine high!

Edited by JT on 25th Feb, 2007.

My build thread..

http://www.turbominis.co.uk/forums/index.php?p=vt&tid=542985

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