Member Since: 16 Sep 2007
Location: UK
Posts: 6019
Probably a stupid question, but what is in the intercooler, is it just air going to the combustion . If so does that make the cars more economical in the winter with colder outside air.
Or am I stupid.
18th Mar 2008 8:01 pm
TazDaz
Member Since: 07 May 2007
Location: South East Essex
Posts: 2858
... submersible pump, filter, Honda genny, 300ft hose
would that do?
If I've got it right, the intercooler cools the air that has just been compressed (and hence heated) by the turbo charger. It means that you can stuff more air into the combustion chambers. The air coming out of the turbo will be hot whatever the ambient temperature.
18th Mar 2008 8:05 pm
TazDaz
Member Since: 07 May 2007
Location: South East Essex
Posts: 2858
countrywide wrote:
Probably a stupid question, but what is in the intercooler, is it just air going to the combustion . If so does that make the cars more economical in the winter with colder outside air.
Or am I stupid.
apparently it's :
Device that cools air as it leaves a turbocharger or supercharger before the air is blown into the engine air intake. Cooling makes the air denser and richer in oxygen, which lets the engine produce more power.
www.autotrader.com/help/glossary.jsp
a small radiator used to lower the temperature of air compressed by a turbo-charger (or super-charger). This increases its density, so more air can enter the cylinders - more power.
www.ebroadcast.com.au/ecars/FAQ.html
An intercooler is a special radiator through which the compressed air passes to cool it off before it enters the cylinder. This can only be found in turbocharged engines, as compression heats the air up, and normally aspirated engines do not have to cope with extra warmed up air.
www.f1technical.net/glossary/i
An intercooler, or charge air cooler, is a device used on turbocharged and supercharged internal combustion engines to improve their volumetric efficiency by increasing the amount of charge in the engine and lowering charge air temperature, thereby increasing power and reliability. ...
en.wikipedia.org/wiki/Intercooler
well I learned something tonight
18th Mar 2008 8:07 pm
countrywide
Member Since: 16 Sep 2007
Location: UK
Posts: 6019
bobbycrispbox wrote:
If I've got it right, the intercooler cools the air that has just been compressed (and hence heated) by the turbo charger. It means that you can stuff more air into the combustion chambers. The air coming out of the turbo will be hot whatever the ambient temperature.
So that's why it is so bad when an intercooler hose leaks, lack of air reaching the combustion. I didn't realise it was on the high pressure side.
18th Mar 2008 8:07 pm
AndrewS Tarquin of the Desert
Member Since: 06 May 2005
Location: Y...... because I can
Posts: 10438
countrywide wrote:
Probably a stupid question, but what is in the intercooler, is it just air going to the combustion . If so does that make the cars more economical in the winter with colder outside air.
Or am I stupid.
The colder the air the more denser it is so there is more oxygen in it = more power In the Beginning there was nothing, which exploded.
I didn't realise it was on the high pressure side.
Me neither, until today
18th Mar 2008 8:08 pm
Pelyma
Member Since: 06 Jan 2005
Location: Patching, Sussex
Posts: 15496
simon wrote:
I get excited checking and topping up the oil and washer fluids thinking how clever I am
I'm not alone DS3 TDV6 HSE - Silver with Alpaca (old one) Gone
DS3 TDV6 HSE- Silver with Alpaca (new one) Gone
D4 HSE Lux - Montalcino Red Gone
Porsche Cayenne V8 Diesel S
18th Mar 2008 8:43 pm
simon
Member Since: 11 Jan 2005
Location: Shropshire
Posts: 18296
AndrewS wrote:
DiscoStu wrote:
but you'd need the longest hose in the UK
You Called
Noooo its going all gay again
18th Mar 2008 9:13 pm
stapldm
Member Since: 11 Sep 2006
Location: Swine Town
Posts: 2330
countrywide wrote:
So that's why it is so bad when an intercooler hose leaks, lack of air reaching the combustion. I didn't realise it was on the high pressure side.
That's true, but it gets worse than that. Under engine braking conditions, it holds a vacuum, which can suck damaged connecting hoses into collapse and eventually tearing a big hole.
On top of that, any air that enters/escapes from such a hole has bypassed the mass air meter and duffs up the air/fuel calculations by the ECU.
As to protecting these delicate heat exchangers from an onslaught of debris loaded mud, what do you think about replacing the louvre look grill with a real louvred aluminium shutter?Dr. Ian Malcolm:
"Yeah, but your scientists were so preoccupied with whether or not they could, they didn't stop to think if they should."
Transgenic tomato anyone?
18th Mar 2008 10:39 pm
discocuzzy
Member Since: 02 Feb 2008
Location: surrey
Posts: 2752
Can you not just take the grill off, stuff a hose in where it is ish....and go to work for 8 hours
Come back, hey presto............or not "you cannot teach stupid people to do clever things"
--------------------------------------------------------
05 plate D3 HSE in Zermat- Gone
11 Plate D4 Landmark in Fuji white- Gone
08 Plate D3 Hse in Buckingham Blue- Gone
58 plate D3 HSE Silver- Gone
10 Plate D4 HSE Stornaway Grey
The delivery of the new rads took longer than expected. Another hour and I'd have put the old ones back in (no major problem with that, I just wanted to give them a proper clean for the next swap over in another year's time)
The delay gave us plenty of time to wash the old ones, which means the side-by-side shots are less of a contrast than they would have been:
The reassembly took us about as long as the dismantling - around 3 hours. There's a real snakes nest of pipes to send the right way around everything.
Shiny new intercooler in dirty car
Shiny radiator in dirty engine bay
Tiny hole in the exhaust of the FBH pumped out a big cloud of smoke
The results
The major problems - engine fan noise and low power when the engine and gearbox have had a thorough workout - are solved. I ragged it back up Long Hill from Whaley Bridge where I'd get fan noise without fail before, and it did not come on at all It also used to do this on motorways when cruising at 80-85 - but no more. The power is back in that band and pulling away from fast motorway traffic works again
Fuel economy - possibly a bit early to tell, but the signs are not good. I would have expected to get at worst 25 for my journey back from North Yorkshire (70 miles motorway, 40 miles A-roads) but I didn't quite break 22. I think I might still have an injector problem (identified for me by 10 in france), or possibly something else. No evidence of binding brakes at least.
20th Mar 2008 5:39 pm
Wex
Member Since: 16 Apr 2007
Location: Knackeragua
Posts: 5173
Quote:
I think I might still have an injector problem (identified for me by 10 in france), or possibly something else. No evidence of binding brakes at least.
Bobby , try buying a bottle of Millers additive/cleaner in the tank.Did this myself last week and it's made quite a bit of difference in response.It was about 20 euro over here but at 4 capfulls per tank fill it goes a long way.
Maybe you've already tried this or an alternative brand but if not it's a cheap way of ruling dirty injectors off the list
20th Mar 2008 5:51 pm
countrywide
Member Since: 16 Sep 2007
Location: UK
Posts: 6019
Mus admit I was sceptical of the Millers stuff, but I used it every tank until it ran out. Didn't think about it until I noticed a drop in performance, it really does seem to give you a bit more power.
I am waiting for my TorqTune once I get it passed the financial controller.
20th Mar 2008 6:02 pm
Bodsy Site Sponsor
Member Since: 06 Nov 2006
Location: In the Clubhouse
Posts: 21361
Congrats on the 1000 rob
All you need to do now is to get your tune re-done and you'll be well away.
At least your dad got to see a lot of (maybe) his next car Bodsys Brake Bible
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. If so does that make the cars more economical in the winter with colder outside air.
1000 8)
