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RR8701



Member Since: 11 Aug 2011
Location: East Ayrshire
Posts: 380

United Kingdom 2005 Range Rover Vogue 4.4 V8 Java Black
Anyone run an 4.2sc on LPG here?

Hi All,

I have a 4.2sc LPG available to me fitted with the prins systems

Have done a search on LPG for the RR 4.2sc and it seems to be ok if its been fitted correctly and by a reputable fitter.
I just want to make sure im not going into a known money pitt.

Anyone got any advise and experience of running one.

Post #357421 17th Nov 2015 4:01pm
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n1cktdv8



Member Since: 19 Aug 2013
Location: Cheshire
Posts: 1754

2008 Range Rover Vogue TDV8 Stornoway Grey

A pal of mine bought one with the Prins system, he's been very pleased but in the summer if he drives it hard it gets very hot... Is this where I put the car details and a bit about myself ?........

Post #357424 17th Nov 2015 4:22pm
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RR8701



Member Since: 11 Aug 2011
Location: East Ayrshire
Posts: 380

United Kingdom 2005 Range Rover Vogue 4.4 V8 Java Black

hmmmm should it do that even if he drives it hard?

Post #357426 17th Nov 2015 4:27pm
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dingg1



Member Since: 29 Jun 2013
Location: PORTUGAL
Posts: 1263

2007 Range Rover Vogue SE 4.2 SC V8 Stornoway Grey

I have an lpg system in mine

some teething problems when first installed 2 years ago , no problems since

I have it set up to slipstream some petrol at >3500rpm and a valve saver system fitted as well.

if it hasn't got a valve saver system fitted I'd get a leakdown test done - in fact even it has, still gte a leak down test done before committing to buy

Post #357431 17th Nov 2015 4:45pm
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n1cktdv8



Member Since: 19 Aug 2013
Location: Cheshire
Posts: 1754

2008 Range Rover Vogue TDV8 Stornoway Grey

I should explain really; I didn't mean like a bank robber ! He tows a pretty heavy boat and heads down to Spain each year, both times he's done that run it has become very hot. A combination of a heavy load, outdoor temp and longer driving spells have likely contributed as a combination. He's selling it now anyway and making his way to the heavy oil division with a 4.4 tdv8 ! Is this where I put the car details and a bit about myself ?........

Post #357433 17th Nov 2015 4:51pm
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Haylands



Member Since: 04 Mar 2014
Location: East Yorkshire
Posts: 7879

England 2014 Range Rover Autobiography SDV8 Loire Blue

LPG burns about 10 degrees hotter than petrol, but seeing as they both burn around 1000 degrees it doesn't make much difference, it certainly won't be the LPG's fault it runs hotter unless it's been poorly set up and is running lean but that would usually put the MIL light on...

The S/C will run fine on LPG, as with any install, get it looked at by an LPGA approved installer, preferably someone who comes recommended... The install is only as good as the person who set it up...

It will be a bargain superFF for sure.... Thumbs Up Pete

__________________________________________________
2014 L405 Autobiography SDV8 4.4 Loire Blue Ebony interior
2011 L322 Vogue SE 4.4 TDV8 Baltic Blue. Parchment over Navy Interior. Sold
2012 L322 Autobiography 5.0 Supercharged Ipanema Sand, Jet Interior. Sold
2002 L322 Vogue 4.4 V8 Epson Green, Ivory over Aspen Interior (Fatty Offroader) Sold
-Click for Project Fatty off roader-

Post #357434 17th Nov 2015 5:03pm
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steptoe



Member Since: 23 Jul 2012
Location: london
Posts: 382

England 

I've a bmw engined 4.4 V8 with a Prins system. Never had any problems at all in the 3+ years and 35k miles i've owned it. It came with a certificate of installation.

No personal experience with the 4.2 engine but have read that it has softer valve seats and should have a valve lube system installed with the LPG.

Post #357440 17th Nov 2015 5:28pm
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SoggyBottoms



Member Since: 05 May 2012
Location: Northants.
Posts: 456

United Kingdom 2007 Range Rover Vogue Supercharged Zambezi Silver

I have a 4.2 with the Prins system. I get it serviced regularly and have the lube system.
no problems to report about LPG...don't get me going about everything else

Post #357463 17th Nov 2015 7:28pm
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lighthouse



Member Since: 22 Feb 2016
Location: Great Notley
Posts: 513

United Kingdom 2011 Range Rover Autobiography 5.0 SC V8 Santorini Black

I run my SC on LPG no problems, the car was converted before i bought it and has now covered 40000 on log with no problems. I have the Romano system which works really well, is setup to introduce petrol at high rpm as well.

Post #373593 22nd Feb 2016 6:19pm
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Laurence82



Member Since: 17 Jul 2022
Location: Lancaster
Posts: 2

United Kingdom 2005 Range Rover Supercharged 4.2 SC V8 Zambezi Silver
4.2 2005 Supercharged

I have read that pre 2006 when they changed the supercharged engine to nickel the valves are hard....

Post #637146 17th Jul 2022 7:08pm
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Haylands



Member Since: 04 Mar 2014
Location: East Yorkshire
Posts: 7879

England 2014 Range Rover Autobiography SDV8 Loire Blue

Yours, being a 2005 is one of the first S/C and could be a 2006 Model Year car... Thumbs Up Pete

__________________________________________________
2014 L405 Autobiography SDV8 4.4 Loire Blue Ebony interior
2011 L322 Vogue SE 4.4 TDV8 Baltic Blue. Parchment over Navy Interior. Sold
2012 L322 Autobiography 5.0 Supercharged Ipanema Sand, Jet Interior. Sold
2002 L322 Vogue 4.4 V8 Epson Green, Ivory over Aspen Interior (Fatty Offroader) Sold
-Click for Project Fatty off roader-

Post #637161 17th Jul 2022 8:13pm
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dingg1



Member Since: 29 Jun 2013
Location: PORTUGAL
Posts: 1263

2007 Range Rover Vogue SE 4.2 SC V8 Stornoway Grey

Still here 7 years later running mine on lpg Cool no engine issues

Post #637166 17th Jul 2022 9:07pm
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dingg1



Member Since: 29 Jun 2013
Location: PORTUGAL
Posts: 1263

2007 Range Rover Vogue SE 4.2 SC V8 Stornoway Grey

Forgot to mention now slipstream of petrol at 2950 rpm, Im getting older and don't thrash it as much

Post #637167 17th Jul 2022 9:21pm
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Laurence82



Member Since: 17 Jul 2022
Location: Lancaster
Posts: 2

United Kingdom 2005 Range Rover Supercharged 4.2 SC V8 Zambezi Silver
4.2 2005 Supercharged

so was there a pre nickel engine that was less prone to valve damage? the guy I bought the car off said the LPG did feed some petrol in with the LPG I thought it was bogus so all good there if its a real thing. excellent.

anyone know a good LPG place to get a service northwest England Morecambe bay area or near? Very Happy

Post #637186 18th Jul 2022 7:20am
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