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Mack

Member Since: 11 Jan 2014
Location: Central America
Posts: 58

2008 Defender 130 Puma 2.4 HCPU Chawton White

Supercharge and turbo charge a Puma

I was on the web doing some work and after I finished somehow I ended up reading this: http://www.dieselpowermag.com/tech/1208dp_...sel_truck/ . According to the writer of the article a supercharger would completely erase the turbo lag and increase mpg. After his explanation, well it makes alot of sense. There are a few aftermarket kits for american diesels. It just sounds aces.

Now the question here for those members that really know their way around engines and the ford british Puma, is there a possibility this could be done in the Puma? I would buy one in a heartbeat. Im ok with my 2.4 but no turbo lag would be heaven.

Cheers
Mack

9th Mar 2014 5:00am

AWOL

Member Since: 31 Oct 2013
Location: UK
Posts: 222

There are several different types of superchargers out there, but most are aimed at the petrol market.

Yes, with a s/c you get reduction in lag (most spin constantly) but you do open up various cans of worms around how to drive them and keep the airflow cool.

I've been looking at s/c'ing another car I own and the consensus of opinion seems to be:
1) For the engine in question it's a fairly well proven way of getting more power.
2) The torque will be addictive and, as a result, I should expect fuel economy to plummet vs stock.

I would have thought that on a Puma a better approach would probably have been to work on bigger intercooler / turbo and map rather than mess around with the supercharger.

Gut feeling is that you could go s/c Puma but there'll be a lot of trial and error (i.e. expense) involved. By the time you've done it, you'd probably have found it cheaper to go for a bigger engine conversion.

9th Mar 2014 7:30am

Pickles

Member Since: 26 May 2013
Location: Melbourne
Posts: 3783

2013 Defender 90 Puma 2.2 CSW Keswick Green

A supercharger will not solve ANY issues with the 2.2 Puma that you may have, with respect to power delivery,...ie, it will not show any improvement over the current turbo set up,....in fact, IMHO, it won't be as good.
Pickles.

9th Mar 2014 7:42am

K9F

Member Since: 12 Nov 2009
Location: Bournemouth
Posts: 9610

2008 Defender 90 Puma 2.4 XS CSW Stornoway Grey

But it's a 2.4 he has not a 2.2. 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!!

9th Mar 2014 7:48am

Cold_n_Wet

Member Since: 15 Oct 2012
Location: Bergen
Posts: 244

"No lag, less smoke, and instant throttle response"

So the solution is to purge in loads of diesel... so much that you dont burn it all -- OK many solutions to problem.

Personally Id fit a VGT turbo, bolt off bolt on no fettling... remap it, larger IC, put a EGT sensor and enjoy.

Then again thats me..

Glen "Rafiki" 2007 110 STW - Rolling rebuild.

9th Mar 2014 11:14am

munch90

Member Since: 26 Oct 2013
Location: guildford
Posts: 3558

the old saying springs to mind
there's no replacement for displacement!

9th Mar 2014 11:18am

martinfiattech

Member Since: 13 Nov 2013
Location: leicester
Posts: 422

Where would you put it, how could you drive it, especially if you had air con. Don`t forget a turbo gives you something for nothing a blower needs power.
Direct drive Compound turbos, that's the way forward.
Or as we were told last week on a course there may be an electric turbo / supercharger in time, wonder how much power that will gobble up.

9th Mar 2014 3:28pm

me@td5.org

Member Since: 16 Jan 2011
Location: Warwick
Posts: 856

Cold_n_Wet wrote:

Personally Id fit a VGT turbo, bolt off bolt on no fettling... remap it, larger IC, put a EGT sensor and enjoy.

Then again thats me..

Glen

It already has a VGt, it's a puma. www.td5.org

9th Mar 2014 4:26pm

spudfan

Member Since: 10 Sep 2007
Location: Co Donegal
Posts: 4646

I find the 2.4 Puma does not suffer from any noticable turbo lag. Then again I've never driven a normal car that was turbo charged or supercharged but other older Defenders. Any car that is Supercharged will have gearing completely different from a Defender.It will be geared to get you going in the highest gear possible unlike the low first on a Puma. A Supercharger is belt driven (or used to be) from the engine so it took power from the engine to get it to give you the power surge on demand so it used fuel to do this. The turbo being exhaust driven gives you a free boost but not quite as instant as the Supercharger. The Puma has no discernable turbo lag compared to the turbo diesel 90 or the 200 tdi that I drove previous to owning a Puma.Compared to a high geared high speed Supercharged Merc or Jag it may seem slow but the VNT system on the Puma works very well for a Defender.
My comments on Superchargers are probably out dated now so I am sure there'll be more up to date on the modern set ups from other members. 1982 88" 2.25 diesel
1992 110 200tdi csw -Zikali
2008 110 2.4 tdci csw-Zulu
2011 110 2.4 tdci csw-Masai

9th Mar 2014 7:34pm

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