 | Home > Puma (Tdci) > Fitting a larger intercooler |
 
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| dm_td5 Member Since: 20 Jul 2008 Location: Arnhem Land Posts: 609   
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If I was to fit a larger intercooler to the Puma...
How difficult is this? Given I have air-conditioner and an ARB winch bar do these pose any problems for the installation or operation? I expect I would have to take the bar off for the installation. I've seen this thread with the install pic's: http://www.defender2.net/forum/topic3294.html Do you have to drain/remove the radiator or disconnect/remove the air-con core? How does the vehicle perform when mapped OEM standard? What potential issues can occur from this upgrade? I wouldn't think it would be as much as from the ability to then look at aggressively remapping the engine. Which I don't intend to do. I want performance and economy. Now the real big one: Allisport or Td5Alive or something else? This is a difficult one as what I want to achieve is better air cooling in air temperatures consistently above 30C during the day (night time 20-30C). Dust, dry heat or high humidity. These intercoolers are - I assume - designed for UK conditions. So what other options do I have or how would they perform? 110 2.4TDCi 110 300Tdi 
LROCV ::: AULRO.com |
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16th Aug 2010 11:12am |
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| Grockle Member Since: 24 Nov 2008 Location: Peak District National Park Posts: 2266  
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speak to Pete at BAS Derek 2.4 90 XS
1968 1/32 scale Britains 109 Pick up. |
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16th Aug 2010 12:08pm |
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| K9F Member Since: 12 Nov 2009 Location: Bournemouth Posts: 9610 
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I have a Puma, I also have an Autologic remap....I was informed at Autologic (and by Pete from BAS) that upgrading to a larger intercooler could make the remap incompatable as the remap was configured for optimum performance with a standard intercooler.
Basically if it is your intention of having any remapping/electronic performance upgrades later get the intercooler done first and then 'try before you buy' if you are able on any performance upgrades. I know you mentioned performance and economy but a decent remap will give you both.  If you go through life with your head in the sand....all people will see is an ar5e!!
Treat every day as if it is your last....one day you will be right!! |
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16th Aug 2010 7:00pm |
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| dm_td5 Member Since: 20 Jul 2008 Location: Arnhem Land Posts: 609
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16th Aug 2010 8:17pm |
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| Porny Site Sponsor Member Since: 31 Aug 2009 Location: Sutton Coldfield - West Midlands Posts: 809 
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I always find a lot less hassle to fit the intercooler from the front - so degas aircon and remove the condensor. It will be slightly harder with the ARB in place, but it should come past.
As soon as you mention you have air con, most companies will try and sell you a smaller intercooler... which when you consider the temperatures you want to work in wouldn't be the best. You need to make sure you have an intercooler with a good core (so braised aluminium not glued - and you really want an extruded core - not a plate and fin), you also need something with a large surface area to get maximum cooling. You need to make sure you get quite an open fin to ensure the intercooler doesn't impair flow to the radiator. I've sent a few intercoolers to people in hot climates (Greece, Libia etc etc) and they've not had any problems. The only problem with fitting a full size/height intecooler to a Puma with AirCon is that the right hand side aircon pipe (RH if you were sat in the car looking forward) is a little bit tight an needs minor reshaping to go around the intercooler... but if you don't mind this - get a full size intercooler in. I might be able to suggust another supplier 
Ian |
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21st Aug 2010 10:00pm |
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| dm_td5 Member Since: 20 Jul 2008 Location: Arnhem Land Posts: 609
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11th Sep 2010 7:10am |
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| dm_td5 Member Since: 20 Jul 2008 Location: Arnhem Land Posts: 609
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Just a little bit bigger 
When I replaced the OEM hoses with XDB ones I got a marked change in acceleration and performance. Much smoother and now with the bigger intercooler it gets even better. Will have to see what fuel economy is like but I'm expecting an improvement. 110 2.4TDCi 110 300Tdi
LROCV ::: AULRO.com |
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11th Sep 2010 9:35am |
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| discocuzzy Member Since: 16 Jul 2008 Location: surrey Posts: 1200 
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You wont go wrong with any of the Alisport products
You cannot teach stupid people to do clever things |
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11th Sep 2010 6:04pm |
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| spudfan Member Since: 10 Sep 2007 Location: Co Donegal Posts: 4662 
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I would be very interested on hearing your impressions of the fitting of the larger intercooler and seeing what differences it makes to your Defender, dm-td5. Wonder what it will do to economy etc. Many tears ago I fitted and Allard intercooler to my turbo diesel 90. Granted I have no need for extra power but I would be interested to see if it makes a marked difference to your fuel consumption. After our last winter getting the engine to run cooler with the larger intercooler might not be such a good idea! Anyway keep us posted. 1982 88" 2.25 diesel
1992 110 200tdi csw -Zikali 2008 110 2.4 tdci csw-Zulu 2011 110 2.4 tdci csw-Masai |
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12th Sep 2010 1:17pm |
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| Bomber82 Member Since: 20 Oct 2009 Location: Alessandria - Italy Posts: 216 
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The intercooler from Allisport is for vheicle without AC, how do you fix it??
Why?? Matteo Defender 110 Td4 SE MY 09 |
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12th Sep 2010 3:48pm |
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| spudfan Member Since: 10 Sep 2007 Location: Co Donegal Posts: 4662
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Longer to heat up on short journeys which would not be good for the engine. I suppose it is all about compromise. 1982 88" 2.25 diesel
1992 110 200tdi csw -Zikali 2008 110 2.4 tdci csw-Zulu 2011 110 2.4 tdci csw-Masai |
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12th Sep 2010 3:53pm |
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| dm_td5 Member Since: 20 Jul 2008 Location: Arnhem Land Posts: 609
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The intercooler is for a vehicle with air-con and not the off-road performance model. My problem is that if I am really lucky we get one night a year where, for about an hour, the temperature may drop as low as 15C (record is 13C) but by sun rise its back to 20C and a day below 25C is unheard of. This year we only managed 19C as the lowest temp. Guess how long it takes the engine to heat up when the day is usually around 30C or better?
Of course the down side to town is short trips since the longest distance between anything is 13km to work or the airport. Any further and its on to the dirt track out of town and 730km before the next town. My Tdi has managed to do 16000km in 6 years and that included a 2000km trip out of town. Cold air is the intercooled diesels friend, density of the air improves and so thus does the air fuel mixture. You are right about a larger intercooler in cold temperatures as, with all things, there are limits and then you get the inverse effect. If I lived in southern parts of Australia where they have a winter I probably wouldn't have bothered as much. 110 2.4TDCi 110 300Tdi
LROCV ::: AULRO.com |
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12th Sep 2010 7:40pm |
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| Steve B Member Since: 22 May 2009 Location: Warwickshire Posts: 586 
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I think you may be getting confused with the radiator. Radiator cools the engine and the Intercooler cools the inlet charge after going through the turbo. Steve |
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12th Sep 2010 8:57pm |
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| Bomber82 Member Since: 20 Oct 2009 Location: Alessandria - Italy Posts: 216
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A larger intercooler lowers the temperature of the air that becomes more dense. denser air improves engine efficiency becuase at the same rpm the volume of air is greater. The diesel engine works in excess of air, much air it breath is better. That's why when the temperature out drops, the engine runs better. Matteo Defender 110 Td4 SE MY 09 |
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13th Sep 2010 11:46am |
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