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big steve

Member Since: 24 Dec 2009
Location: hertfordshire
Posts: 2456

2015 Defender 90 Puma 2.2 HT Montalcino Red

amazing

tuning companys are claiming that they can get over 180hp from a puma ?

id really love to see this on paper from a dyno as i really cant believe that this is possible
yes i know you can get alot from a td5 but you have 5 cylinders doing the work not 4

steve 2015 2.2 tdci hardtop xs
3.2 conversion DONE 238bhp and 707nm torque and thats just the start ;-P
hybrid turbo in build -done ready to fit
ashcroft atb in transfer box
6 speed auto in build

18th Jun 2012 6:55pm

wslr

Member Since: 18 Jul 2010
Location: Wellington, Somerset
Posts: 581

I've got a rolling road session on Thursday.

I'm not expecting much.

18th Jun 2012 7:03pm

Glynparry25

Member Since: 16 Feb 2009
Location: Miserable Midlands
Posts: 3015

2009 Defender 110 Puma 2.4 XS DCPU Tonga Green

I have this months copy of 'Australian 4wd action' and there is an article on that. Will scan it in once back in Cyprus. But just an insight:

But it is a 2.4 Puma with the following:

Bigger intercooler
2.5" turbo back exhaust
Uprated turbo
Port and polished head

On top of that the engine is 'chipped'. I am guessing he is talking something like DTA as it was then tuned up on a dyno. Results are:

Power: 138kW (185bhp)
Torque: 689Nm

Being on the dyno it is WAY more accurate than any rolling road.

Glyn

18th Jun 2012 7:12pm

twopoint6khz

Member Since: 18 Aug 2011
Location: North Lakes
Posts: 654

Number of cylinders doesn't really matter, other than dynamic balance issues and a nicer noise? You've got 2.4l of displacement, so almost as much as a Td5. Of far more consequence would be injection technology, turbo pressure and type, etc etc etc.

I'd have though if you heavily modified it you could strangle 300bhp out of a Puma.... it would explode after 5 minutes, but that's not the point.

18th Jun 2012 7:14pm

bpman

Member Since: 21 May 2008
Location: Oslo
Posts: 8069

2008 Defender 110 Puma 2.4 SVX Station Wagon Santorini Black

VW can squeeze 174bhp out of a 1.4, ford can do similar with their new petrol engines - it should be possible.

19th Jun 2012 6:18am

LR90XS2011

Member Since: 05 Apr 2011
Location: bickenhill
Posts: 3646

2011 Defender 90 Puma 2.4 XS CSW Galway Green

bmw 123d (and Alpina D3) are actually 2 litres and are 206BHP standard (2 turbos to also make it flexible) some tuners are now claiming 250 BHP+ from 2 litre BMW diesels. Did I read somewhere that the 2.4 Puma has a along stroke / bore ratio limiting the revs and hence the power (torque x revs = power) DEFENDER 90 TDCI XS,

I hope everyone is well and your land rovers make you happy

19th Jun 2012 6:34am

twopoint6khz

Member Since: 18 Aug 2011
Location: North Lakes
Posts: 654

Here's a 1.6 turbo petrol with 300+bhp:

http://www.minimotorsport.com/en/wrc/car

Obviously slightly different to a Puma engine....

19th Jun 2012 7:34am

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