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mikeh501



Member Since: 07 Jan 2013
Location: United Kingdom
Posts: 1142
United Kingdom 
id guess a turbo is more fuel efficient gives it runs off exhaust gas rather than a supercharger which runs off the crank.
Post #582410 3rd Dec 2016 3:55pm
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mikeh501



Member Since: 07 Jan 2013
Location: United Kingdom
Posts: 1142
United Kingdom 
@mcma - are you / have you advised DVLA about the change of fuel type, capacity and transmission type? If so, was it straight forward. Same question to GREENI too.

Just wondering whether to advise DVLA on my V8 conversion. I can only imagine it gets more difficult the newer the vehicle.
Post #582411 3rd Dec 2016 3:58pm
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sako243



Member Since: 08 Jul 2014
Location: Wales
Posts: 1185
Wales 1994 Defender 110 300 Tdi CSW Alpine White
Technically turbos are superchargers (turbo-superchargers). They're both devices for supercharging the air going into the engine, one happens to run off exhaust.

You can also get electric ones and probably many more. I don't know which is more efficient because even with a turbo you're sacrificing some power by providing resistance to exhaust gases. It's all down to how much benefit you get from it.

I remember seeing something about the McMerc SLR where the supercharger required something like 200hp when the original engine gave you about 250. It did provide another 400HP though... Ed
82 Hotspur Sandringham 6x6
95 Defender 110 300Tdi
Post #582434 3rd Dec 2016 5:50pm
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mcma1



Member Since: 16 Oct 2012
Location: Northern Ireland
Posts: 2867
mikeh501 wrote:
@mcma - are you / have you advised DVLA about the change of fuel type, capacity and transmission type? If so, was it straight forward. Same question to GREENI too.

Just wondering whether to advise DVLA on my V8 conversion. I can only imagine it gets more difficult the newer the vehicle.


Simple letter to them with details from wildcat to verify the install including the engine number and gearbox code. Job done. Andy

2014 Fuji 110 SW LS3
https://www.defender2.net/forum/post751233.html#751233

2014 Corris 110 SW
http://www.defender2.net/forum/topic40056.html


My old Xtech 90 build..
http://www.defender2.net/forum/topic15681.html

LS3 V8 build...
http://www.defender2.net/forum/topic49051.html
Post #582436 3rd Dec 2016 5:54pm
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GREENI



Member Since: 22 Aug 2010
Location: staffs
Posts: 10359
United Kingdom 
Yup, as above, engine number, size and for me, a colour change too. Thumbs Up
Post #582444 3rd Dec 2016 6:22pm
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mikeh501



Member Since: 07 Jan 2013
Location: United Kingdom
Posts: 1142
United Kingdom 
thanks guys. GREENI did you back it up with any documentation / engineers report etc etc? Googling horror stories of IVAs and DVLA being arseholes etc. You had the V5 back? Also what year is yours?
Post #582474 3rd Dec 2016 8:14pm
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GREENI



Member Since: 22 Aug 2010
Location: staffs
Posts: 10359
United Kingdom 
It had already been converted from a 2.5 petrol to a 3500, so no worries.

Mines an '85.
Post #582477 3rd Dec 2016 8:24pm
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Pickles



Member Since: 26 May 2013
Location: Melbourne
Posts: 3752
Australia 2013 Defender 90 Puma 2.2 CSW Keswick Green
Puffer=Blower=Supercharger=all the same!!
Supercharger is mechanically driven, Turbocharger is exhaust driven.
It is true that Mercedes (AMG) use turbos, and boy, don't they do it well, anyone that's driven one will attest to that, and of course many many cars these days use turbos.
However, when ya're talking yankee LS engines, and ya want simplicity, then a supercharger is definitely the way to go. Our latest HSVs (factory modified Holden Commodores) are putting out around 600HP with an engine which is virtually the same as the engine in this Defender, but with a supercharger. Another variant is about to be released which will have around 700HP, all perfectly tractable,...drive around at 1500rpm if you like!
Pickles.
Post #582513 3rd Dec 2016 9:51pm
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jomara



Member Since: 26 Oct 2009
Location: Lanarkshire
Posts: 1756
Scotland 2014 Defender 110 Puma 2.2 XS CSW Santorini Black
Looks absolutely superb Andy, hope you have many happy miles Thumbs Up Thumbs Up 2014 110 2.2TDCi XS Station wagon
1971 Bowler Tomcat 88 4.2 V8 Auto
2022 110 250D XS
Post #582543 3rd Dec 2016 11:32pm
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miker



Member Since: 13 Sep 2015
Location: Surrey
Posts: 1758
United Kingdom 1999 Defender 110 Td5 CSW Rioja Red
Pickles wrote:
Puffer=Blower=Supercharger=all the same!!
Supercharger is mechanically driven, Turbocharger is exhaust driven.
It is true that Mercedes (AMG) use turbos, and boy, don't they do it well, anyone that's driven one will attest to that, and of course many many cars these days use turbos.
However, when ya're talking yankee LS engines, and ya want simplicity, then a supercharger is definitely the way to go. Our latest HSVs (factory modified Holden Commodores) are putting out around 600HP with an engine which is virtually the same as the engine in this Defender, but with a supercharger. Another variant is about to be released which will have around 700HP, all perfectly tractable,...drive around at 1500rpm if you like!
Pickles.


For an interesting comparison, the mightycarmods guys on youtube have just done a pair of mx5's, identical save for the fact one is turbo, one is super.

Turbochargers are more efficient, and with modern VNT systems, turbo lag is practically eliminated. It is also generally easier to get bigger power out of a turbo. Superchargers are cooler though, better exhaust note and nothing beats the whining noise!
Post #582553 4th Dec 2016 12:48am
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Pickles



Member Since: 26 May 2013
Location: Melbourne
Posts: 3752
Australia 2013 Defender 90 Puma 2.2 CSW Keswick Green
For sure, all cars are different, some use turbos & some use superchargers when modifying to extract more power.
I was particularly referring to LS engines though, where it is very easy to simply bolt on the supercharger to the top of the engine, which is much simpler to do on an LS engine than fit a turbo which requires a lot of extra manifolding etc.
There are HEAPS of very powerful after market modified Commodores in Aussie, and for sure some of them would have a turbo fitted, maybe two!!....but the great majority would simply bolt on a blower.
Pickles.
Post #582559 4th Dec 2016 2:50am
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Morepower



Member Since: 08 Jan 2013
Location: Fife, Scotland
Posts: 630
New Zealand 
There a company in America that converted a 2nd Generation Ford GT from supercharging (circa 650BHP) to twin turbo... Initial installation was around 1000BhP... They then 'updated' the system to around 1500Bhp and I believe their currently around the 2000Bhp.... Madness... But does make you wonder what a 2000Bhp Defender would be like... Apart from very Scary!!!

Rolling with laughter


Tim

 It doesn't matter how bad it is, It can always get worse...

2013 Bowler 110 (Sold)
2016 Bowler 90 Rally Spec (Sold)
Post #582571 4th Dec 2016 8:35am
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Pickles



Member Since: 26 May 2013
Location: Melbourne
Posts: 3752
Australia 2013 Defender 90 Puma 2.2 CSW Keswick Green
Exactly.
The secret is, "the more you spend, the faster you go"?
Pickles.
Post #582579 4th Dec 2016 9:05am
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GREENI



Member Since: 22 Aug 2010
Location: staffs
Posts: 10359
United Kingdom 
Winning isn't cheap.
Post #582590 4th Dec 2016 10:10am
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mcma1



Member Since: 16 Oct 2012
Location: Northern Ireland
Posts: 2867
Update for Pickles as I know he loves the AP's!

Just a trial fit. Big thanks to Redbeard (Ged) for his help Thumbs Up


Click image to enlarge

Admin note: this post has had its images recovered from a money grabbing photo hosting site and reinstated Mr. Green  Andy

2014 Fuji 110 SW LS3
https://www.defender2.net/forum/post751233.html#751233

2014 Corris 110 SW
http://www.defender2.net/forum/topic40056.html


My old Xtech 90 build..
http://www.defender2.net/forum/topic15681.html

LS3 V8 build...
http://www.defender2.net/forum/topic49051.html
Post #582795 5th Dec 2016 6:10am
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