Naks wrote:

Seen on a South African forum:

Quote:

I just spoke to a very clued-up head tech guy at LR yesterday.

The good news is that they are VERY aware of the "power loss in high ambient temps" that so many of us struggle with.

Even better news is that he is part of a "global team" to takle this problem and he told me that LRUK just installed a brand new "wind tunnel" in which they will run the cars at temps of 35-38 degC to see where the fault lies!

The LR Centurion Defender was just fitted with a bigger intercooler that solved the problem but we are all waiting for the "official" fix from LRUK

Just mentioning it..............

Glynparry25 wrote:

That is interesting....... it is over 35 degC on a daily basis in Cyprus and I have never had this power loss. That is with a RAI and pre-filter....... only difference is that I have a iTg panel filteer.

Glyn

Even more interesting
Do you drive at 80 mph in the heat and is your RAI forward facing? Tell someone you love them today because life is short.
But shout it at them in German because life is also terrifying and confusing...

ZeDefender wrote:

Even more interesting
Do you drive at 80 mph in the heat and is your RAI forward facing?

When on the motorway it is around 80-90, and 50-60 on main roads. My RAI is mantec steel with an ARB pre-filter.......... Just as another thought- I also have an Alive full system exhaust so less back pressure so possibly reducing the temperature in the turbo resulting in cooler intake temperatures.


Click image to enlarge

Glyn :sheep:

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MK wrote:

Can you get a sort of nanocom thing to read the real temp?

Guess I need one
Any suggestions for the cheapest option? Tell someone you love them today because life is short.
But shout it at them in German because life is also terrifying and confusing...

LandRoverAnorak wrote:

It's very unlikely that the RAI is the cause of your troubles. There are lots of other vehicles running around with them fitted in hot climates without issue.

true... but as far as I can tell, not all the same design. My "original" LR-shaped one seems quite few and far between (except on LR adverts). It would be interesting to hear from people with this same design driving fast in hot countries... I know - very unlikely

At 80 mph, I'm guessing aerodynamics/airflow are pretty important. I don't seem to get any power loss pulling at lower speeds... Tell someone you love them today because life is short.
But shout it at them in German because life is also terrifying and confusing...

ZeDefender wrote:

Now that is a nice looking 'fender

Your Mantec RAI looks a better design for getting air in all around - my standard LR one has no airflow at the front and almost nothing underneath. Looks more like it keeps air out

Click image to enlarge
As for the power loss, the plot thickens. We have a few more days at 35 degrees here so if it happens again I'm going to change to my spare MAF and see what happens...

Cheers
Matt

Hey, your Mantec/LR RAI hasn't gone rusty yet!

Matt, not checked TOPIx yet, but most later vehicles use the MAF as a source for calculating the air intake temperatures. If you can't check using live data, or there are no codes present, and perhaps, given the bargain price of a Genuine MAF sensor, try fitting one and see what happens?

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