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bvandyk

Member Since: 03 Sep 2012
Location: South Africa
Posts: 49

Puma Intercooler Testing

A couple of us did a test run to compare the effect of an aftermarket intercooler, to see if it really does make a big difference.

We measured Air Intake temp, and also Coolant temp.

2 of the Pumas was remapped as well.

Basically, the conclusion is that an intercooler makes a big difference in the driveability of the vehicle. It makes the puma pull a lot better on uphills.
Adding a remap to that shows an even bigger difference.

Follow the whole discussion here: http://4x4community.co.za/forum/showthread.php?t=135874

Results:
[img]http://4x4community.co.za/forum/attachment.php?attachmentid=188391&stc=1&d=1358077248[/img]

[img]http://4x4community.co.za/forum/attachment.php?attachmentid=188392[/img]

14th Jan 2013 8:03am

bvandyk

Member Since: 03 Sep 2012
Location: South Africa
Posts: 49

Can't get the images to show.

See the results of our test run here: http://4x4community.co.za/forum/showthread...;page=4#67

14th Jan 2013 8:06am

Naks

Member Since: 27 Jan 2009
Location: Stellenbosch, ZA
Posts: 2622

2010 Defender 90 Puma 2.4 SW Alpine White

Video of the run : --
2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear
2015 Range Rover Sport V8 Supercharged

Defender Puma Workshop Manual: https://bit.ly/2zZ1en9
Discovery 4 Workshop Manual: https://bit.ly/2zXrtKO
Range Rover/Sport L320/L322/L494 Workshop Manual: https://bit.ly/2zc58JQ

14th Jan 2013 8:16am

Thud

Member Since: 21 Jul 2012
Location: London
Posts: 667

2008 Defender 90 Puma 2.4 SW Zermatt Silver

Very interesting. Always good to have some evidence.

14th Jan 2013 8:24am

BruceT

Member Since: 01 Nov 2010
Location: South Africa
Posts: 516

For me the figures are one thing but when we did that hill I was truly amazed at the difference. That hill is quiet steep although it doesnt look like it on the video. The two 110's (I was driving the one filming) had a passenger each and the HT only had the driver.
Only problem was I was hitting the limiter very quickly, which I dont like to do too often.

Also, so you all know, we were all in 6th, someone said go over the radio and the race was on. No changing down was allowed and we all had our air conditioners on. We also had a 90 with us that has been remapped, decat, and no center silencer but he was too far ahead for the Go-pro to pick him up.

Was great fun to drag race in our Defenders. never done that before.

"Overlanding With Bruce" - Youtube https://www.youtube.com/@OverlandingwithBruce
11MY Defender 130
23MY Defender 110 D300 HSE X-Dynamic

https://www.youtube.com/channel/UCzrHKcjA-LJ470_H4QwPgVA

14th Jan 2013 2:22pm

ZeDefender

Member Since: 15 Sep 2011
Location: Munich
Posts: 4731

2011 Defender 110 Puma 2.4 SW Baltic Blue

I probably missed it but what was the ambient air temperature?

Reason I'm asking is to know whether the improvement is more due to:
a) decreased temperature of the air going into the engine (will not as significant at low temperatures), or
b) increased flow of air going into the engine (is the new intercooler much less restrictive?)
Did you have cats on?

I'm very interested as this may be my next major mod... Tell someone you love them today because life is short.
But shout it at them in German because life is also terrifying and confusing...

14th Jan 2013 2:32pm

bvandyk

Member Since: 03 Sep 2012
Location: South Africa
Posts: 49

ZeDefender wrote:
I probably missed it but what was the ambient air temperature?

Reason I'm asking is to know whether the improvement is more due to:
a) decreased temperature of the air going into the engine (will not as significant at low temperatures), or
b) increased flow of air going into the engine (is the new intercooler much less restrictive?)
Did you have cats on?

I'm very interested as this may be my next major mod...

31 Degrees Ambient

14th Jan 2013 2:33pm

BruceT

Member Since: 01 Nov 2010
Location: South Africa
Posts: 516

Ambient was measured at 31 deg C.

I never thought about air flow and you have probably hit the nail on the head. There was a difference in intake temps but not a huge difference.

I would definately hazard a guess that the biggest difference is due to the amount of air going into the combustion chamber....i can not see how around 5 deg C can make that much difference.

Ben I think you need to maybe look at cleaning out your intercooler also. (maybe come fetch my standard one and do a swop - I will help you) "Overlanding With Bruce" - Youtube https://www.youtube.com/@OverlandingwithBruce
11MY Defender 130
23MY Defender 110 D300 HSE X-Dynamic

https://www.youtube.com/channel/UCzrHKcjA-LJ470_H4QwPgVA

14th Jan 2013 2:36pm

ZeDefender

Member Since: 15 Sep 2011
Location: Munich
Posts: 4731

Cheers

Matt Tell someone you love them today because life is short.
But shout it at them in German because life is also terrifying and confusing...

14th Jan 2013 3:32pm

Regard

Member Since: 08 Dec 2011
Location: RSA
Posts: 251

2011 Defender 110 Puma 2.4 X-Tech LE Orkney Grey

BruceT wrote:
Ambient was measured at 31 deg C.

I never thought about air flow and you have probably hit the nail on the head. There was a difference in intake temps but not a huge difference.

I would definately hazard a guess that the biggest difference is due to the amount of air going into the combustion chamber....i can not see how around 5 deg C can make that much difference.

Ben I think you need to maybe look at cleaning out your intercooler also. (maybe come fetch my standard one and do a swop - I will help you)

That is a good idea!

Ben, stop the nonsense and remove that cat man! Then go get the standard intercooler from Bruce and see where you stand then! You can even do a proper clean out of the old IC to make double sure it works 100%.

Good excuse for another beer and burger Saturday!

14th Jan 2013 5:27pm

Regard

Member Since: 08 Dec 2011
Location: RSA
Posts: 251

ZeDefender wrote:
I probably missed it but what was the ambient air temperature?

Reason I'm asking is to know whether the improvement is more due to:
a) decreased temperature of the air going into the engine (will not as significant at low temperatures), or
b) increased flow of air going into the engine (is the new intercooler much less restrictive?)
Did you have cats on?

I'm very interested as this may be my next major mod...

I also think you may be wright!

When I installed my IC the first impression that I got was that the engine feels so much more "free".......it sounds like a cliche but it does seem to let the engine breath easier.

14th Jan 2013 5:30pm

Naks

Member Since: 27 Jan 2009
Location: Stellenbosch, ZA
Posts: 2622

Regard wrote:
When I installed my IC the first impression that I got was that the engine feels so much more "free".......it sounds like a cliche but it does seem to let the engine breath easier.

I concur! --
2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear
2015 Range Rover Sport V8 Supercharged

Defender Puma Workshop Manual: https://bit.ly/2zZ1en9
Discovery 4 Workshop Manual: https://bit.ly/2zXrtKO
Range Rover/Sport L320/L322/L494 Workshop Manual: https://bit.ly/2zc58JQ

14th Jan 2013 7:54pm

Eduardo

Member Since: 28 Aug 2008
Location: Región Metropolitana
Posts: 2109

2007 Defender 110 Puma 2.4 SW Stornoway Grey

Hummm,

An intercooler is tempted me... Eduardo

MY 2007 110 SW PUMA 2.4: Big Fog of 64'
MY 1994 Jayco 1207 Folding camper: "El Tremendo"

Click image to enlarge

14th Jan 2013 8:01pm

tatra805

Member Since: 16 Aug 2011
Location: Dolany
Posts: 436

2008 Defender 110 Puma 2.4 CSW Bonatti Grey

Any opinions on cleaning the IC?

Found an old document of a 200tdi mentioning service interval cleaning 80 000km
Google brought up that the disco2 TD5 also has this scheduled in the maintenance.

A lot of topics on TDCI engines as well but of course no exact data. Some mention having "half a cup" of oil in their intercoolers at 100k km, others say it was more of less clean.

Would it make sense to clean out the IC and expect something from it? I do know my piping is covered in oil and the MAP sensor is after 20K km dirty again but this is someway all logic.

Just throwing this in as i suspect someone would have experiences with this?

14th Jan 2013 11:29pm

bvandyk

Member Since: 03 Sep 2012
Location: South Africa
Posts: 49

Regard wrote:
BruceT wrote:
Ambient was measured at 31 deg C.

I never thought about air flow and you have probably hit the nail on the head. There was a difference in intake temps but not a huge difference.

I would definately hazard a guess that the biggest difference is due to the amount of air going into the combustion chamber....i can not see how around 5 deg C can make that much difference.

Ben I think you need to maybe look at cleaning out your intercooler also. (maybe come fetch my standard one and do a swop - I will help you)

That is a good idea!

Ben, stop the nonsense and remove that cat man! Then go get the standard intercooler from Bruce and see where you stand then! You can even do a proper clean out of the old IC to make double sure it works 100%.

Good excuse for another beer and burger Saturday!

Yes, think I should do it! Thanks Bruce.
What will the warranty say about a de-cat?

15th Jan 2013 7:08am

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