 | Home > Tdi > Intercooler |
 
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| Alex1976 Member Since: 23 Jan 2013 Location: Buckingham Posts: 596  
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Replacing the inter cooler on its own will not do anything to increase power. By replacing the standard intercooler with one which is more efficient allows you to tune the fuel injection pump to increase fuel delivery, as the intercooler can provide a more dense, cooler charge of air to match. The increased fuel, matched with the increased air volume will result in more power.
The tuning of the fuel injection pump is very well covered on the internet with some very good articles on own to do it. You can either go for a more efficient drop in replacement intercooler that sits in exactly the same position as the stock version, but is more efficient in its design, or you can go for a full size front mounted intercooler that sits in front of the radiator and has a greater cooling capacity. I would have gone with a full size intercooler but I have an auto and the space is taken up with a auto oil cooler so stuck with the stock location of the intercooler, but still achieved much better performance. In terms of where to source your intercooler from, there are two main choices. Either go to one of the known tuning companies that manufacture these and expect to pay £350 to £400 for this. Alternatively look on eBay and there are a number of sellers providing Chinese made versions for around £100. I have recently replaced my Allisport intercooler that developed a split with a Chinese eBay version and can vouch for the quality and performance of the Chinese intercoolers. |
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1st Feb 2019 11:25am |
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| Cheshire Dave Member Since: 05 Jun 2014 Location: Chester Posts: 119
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Alex,
Thank you for the info, much appreciated. Dave |
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1st Feb 2019 12:11pm |
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| foxhound Member Since: 02 Mar 2013 Location: United Kingdom Posts: 363  
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i installed an allisport full width intercooler and replaced all hoses with silicone. this added 20-25% power in my estimation and increased mpg. i didn't touch the fuel injector pump. 110 Defender 300tdi & Penman trailer with ally exped top and roof tent |
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23rd Feb 2019 7:09pm |
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| Cheshire Dave Member Since: 05 Jun 2014 Location: Chester Posts: 119
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That's interesting!
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23rd Feb 2019 7:14pm |
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| Zed Member Since: 07 Oct 2017 Location: In the woods Posts: 3344 
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No offence but that sounds more than a tad optimistic. |
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23rd Feb 2019 7:23pm |
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| Cheshire Dave Member Since: 05 Jun 2014 Location: Chester Posts: 119
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If I can get that or even near it, would be excellent!
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23rd Feb 2019 8:12pm |
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| tolley Member Since: 07 Nov 2011 Location: gloucester Posts: 1115 
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did my 300 allisport , boost pin has made a lot of difference , in Gloucester we have a hill called birdlip , its a lorry killer and a few cars in the summer .i had to go down to 4th but now 5th easy to get up it .
i carry a lot in the back and now fine the defender so much better to drive with a load. going to fit the boost ring in the next week .  |
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24th Feb 2019 11:35am |
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| foxhound Member Since: 02 Mar 2013 Location: United Kingdom Posts: 363
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it was a very very dramatic change in power, frogsisland 4x4 commented on it (they fitted it). 110 Defender 300tdi & Penman trailer with ally exped top and roof tent |
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26th Feb 2019 1:49pm |
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| Cheshire Dave Member Since: 05 Jun 2014 Location: Chester Posts: 119
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All sounds promising though, if I can get a cheaper alternative for the intercooler from the bay if anyone's got a link please
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26th Feb 2019 2:29pm |
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| Cheshire Dave Member Since: 05 Jun 2014 Location: Chester Posts: 119
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Can you send me a link on ebay for the intercooler? |
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2nd Mar 2019 3:19pm |
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| Alex1976 Member Since: 23 Jan 2013 Location: Buckingham Posts: 596
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This is the one I bought from eBay and really impressed with it.
https://rover.ebay.com/rover/0/0/0?mpre=ht...1046665754 |
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2nd Mar 2019 3:33pm |
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| Cheshire Dave Member Since: 05 Jun 2014 Location: Chester Posts: 119
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Thanks, tell me what makes this or similar better than the standard one as fitted?
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2nd Mar 2019 4:28pm |
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| Alex1976 Member Since: 23 Jan 2013 Location: Buckingham Posts: 596
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These are meant to have better cooling efficiency than the originals. However, if you really want to go for the biggest improvement, then you need to go for the full width front mount intercooler.
I used this one as my auto box oil cooler is in the front so it would be difficult to use the full width cooler, and to be honest, I am getting as much performance as I want out of this intercooler. |
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2nd Mar 2019 8:17pm |
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