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Larger Intercooler for TDi Larger Intercooler for TDi
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Light Overland Vehicle Tech Tech issues, tips and hints, prepping for travel
Under 3500kg vehicles, e.g. Land Cruiser, Land Rover, Subaru etc.
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  #1  
Old 10 Sep 2008
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Larger Intercooler for TDi
Hi,
does anyone has any opinion about useing a larger intercooler in LR with 300 TDi engine?

Many thanks in advance.

Piotr
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  #2  
Old 11 Sep 2008
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What are you trying to achieve? More power, more torque, better fuel economy?
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  #3  
Old 11 Sep 2008
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I have a Allisport intercooler in my 300TDI 110. On the pros, it is really good in terms of noticeable mid range power. Given my 110 is kitted up for overlanding with roll cage, roof rack, winch, etc, its carrying a fair amount of weight, sits significantly higher than a standard 110 and the intercooler has really helped giving more usable power. On the cons, my engine always used to stick ridgedly to the same temperature where as these days it does run a bit hotter when working hard such as at motorway speeds. Its only appeared since the intercooler went in (about 4 years ago) but it has developed over time so I can't directly attribute it. It could be partially down to the aging vehicle, its now about 13 - 14 years old.

As to fuel economy, it will partially come down to the way you drive. Personally I tend to use the extra performance. In theory, the intercooler should allow you to achieve what you currently achieve with less effort from the engine and therefore you economy could improve. Depends on whether you use the extra power.

If you do decide to do it, I found Allisport to be excellent, very professional, easy to do business with and 4+ years on and had no problems.
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  #4  
Old 11 Sep 2008
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Thank you Toby2 for info. I wonder what kind is better, a large intercooler installed in the front of rad or standard size one but more efficient. I've seen Allisport ones - quite nice.
How about necessary settings on pump? How about extra stress on other parts of engine ?

Piotr
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  #5  
Old 12 Sep 2008
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Location: gosport, uk.
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Smile 300 tdi intercooler
Hi there. I used one from allards, in my disco 300, 1996. As with Toby, i struggled to see the temp gauge move before it was fitted. The cooler sits in front of the rad, and hence takes a little cooling air from it. In fact now, i am happy to see the gauge move a bit. The engine appears a little better for it. Easy fit, if doing it yourself, and comes with the silicon hoses that you need. I moved the steering resevoir a little, just to be happy in my own mind, that nothing would rub.
Performance wise, i noticed a small improvement in the midrange, but it appeared to move the power band down the rev range. Before, the disco would cope with most things, somewhere around the 1800/2500 revs. Now it will happily cope with the same type of driving with the revs sitting at 1400/2000. This suits my style of driving, so therefore am very pleased with the results.
Both allard and allisport are in the same neck of the woods.
Fuel economy has stayed the same at 27.5 mpg.
Hope this helps,
Nick.
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  #6  
Old 12 Sep 2008
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Allisport everytime, i had one of Andys' intercoolers on my 90 (300Tdi) and will get one on my Td5 110 when i've finished building it.

although i'm slightly biased, as i know him quite well and work on some of the vehicles he has down there sometimes.

Still top quality kit though.
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