Front End LPG Conversion for 3.5 and 3.9 EFI Rover V8's - Discovery 1, Defender etc

£595.00



Front end LPG conversion for Land Rover Discoveries - Series I 1990 to 1999

(We also offer all variation of Land Rover/Range Rover LPG Conversions through our
eBay shop, with and without LPG tanks along with other LPG conversion kits.)

This full kit is shown here using the Essential OMVL style Tandem Vaporizer, not to be confused with inferior types especially when considering V8 type conversions. it also includes Millennium or Leonardo Lambda Loop System



What is this listing for?

A brand new OMVL Lambda Loop LPG conversion front end Kit. This listing contains the correct under bonnet (front end) components to convert your 1990 to 1999 Land Rover Discovery Series I engine to run on LPG. As standard this vehicle was fitted with a 3.5 or 3.9 litre V8 in the UK, however this kit is still completely suitable for you if you have changed the engine capacity as long as you are still running with the same engine management system.

We can supply LPG conversion kits fitted or self fit for all Land Rover/Range Rover models and have all variations listed in our eBay shop. Please enquire if you can not find what you are looking for. yabe@v8engines.com

Please note that it is a requirement of all self fit LPG systems as supplied by Partsrange (RPi Engineering) that once fitted, the installation should be checked over, set up and certified by RPi or by an LPG certified fitter.

Switch Unit

Once fitted the LPG switch has two operating modes which are changed between by a simple push button.

  • Petrol: As the name suggests this mode is to run the engine on petrol and the LPG system is inactive.
  • LPG: This activates the LPG solenoids and allows the engine to run on LPG, with the petrol system inactive.


This switch also has a gauge in the form of 1 Red LED and several Green ones that indicates the level of LPG in the tank.

Why this kit?

Although many would tell you that a more expensive sequential injected kit is required this is not the case. We have converted hundreds of Land Rovers using this Lambda Loop type of LPG conversion and there are no issues when converted and fitted properly.

What does this kit include?

This front end system comprises of every LPG component needed under the bonnet, plus all LPG pipe work and clips back to the tank, change over switch and internal wiring. Offering everything you need however excludes the LPG tank, tank fixings and filler systems all of which can be found listed separately.

Parts referred to can be seen in the image below.

  • OMVL tandem vaporizer the best for Rover and bigger V8's - Part A
  • 38 - 40mm LPG mixer ring (fits direct to Rover V8 EFi plenum chamber) - Part E
  • Millennium (or Leonardo dependent on stock) LPG ECU with Lambda loop control - Parts B D F
  • Lambda sensor with Stainless Steel Lambda boss - Part I
  • Twin Pitagora 4 cylinder Emulators (for V8's) - Part C
  • Fuel filter with shut off solenoid - Part G
  • LPG vapour supply hose (not shown but included)
  • Water hose (not shown but included)
  • LPG pipe, enough for all Range Rovers and Land Rovers (not shown but included)
  • 3-core cable (not shown but included)
  • Full wiring kits with correct plugs for emulators, interior switch etc
  • Bag of essential assorted fixings - Parts H J K L M N O along with others not shown


This image shows the major parts of this kit along with the smaller electrical connections. However the pipe/hose is not shown but is included as per the list above.


Additional components for a bespoke conversion

For the most discerning RPi style LPG conversions please take a moment to see the following items below, being the self same additional upgrades we employ in all our own 'In house' V8 conversions such essential upgrades are guaranteed to give you the reliability and efficient that have gained us our excellent reputation.

The following listed components below would also be required for the best possible LPG conversion to the Discovery I and are shown and listed for your convenience only However they are not included in the above Kit but are thoroughly recommended and can be found listed elsewhere in our eBay shop

- - - - - - Please remember these items depicted below are not included in the above Kit - - - - - -

Magnecor Plug Leads

For the best results we always recommend Magnecor plug leads which you can find in our eBay shop along with a detailed explanation of why these are recommended for LPG. Additionally you should always ensure your coil packs and spark plugs are in good condition and of the correct type.

Dual Ignition Timing Amplifier
As LPG needs a different ignition timing to petrol and this style of engine has a distributor it is necessary for best results to upgrade your original amplifier to our dual timing amplifier. This will allow you to set your ignition timing correctly for LPG and then will retard the ignition timing back for petrol.
Bespoke LPG K&N Air induction kit.
For instant power improvement and increased air flow to the engine we designed this unique K&N, LPG induction Air Filter kit. Especially for LPG, to ensure maximum engine power without engine hesitation or backfiring as would be normal from using a K&N type filter alone. It uniquely includes our bespoke Stainless Steel filter shroud offering the minimal partial restriction to air intake. This combination gives excellent performance gains on both LPG and petrol along with improved fuel efficiency and throttle response. As you can see it not only works perfectly but it looks great too.

  • Is it possible to Visit RPi. for collection, further information or for parts to be fitted.
    For sure we have many customers from all over the world, that not only visit us but enjoy our unique hospitality, as well as our in-house workshop facilities that can cater for anything from major rebuilds, restorations, engine fittings, LPG conversions. As well as drop in chipping and ignition system upgrades. Holly our Engine builder (Head Chef maybe) can always find the time to show you around the world of V8 Rover engines and explain all variants and upgrades.

  • Whats more, Now with online 'You-Tube'. videos too.
    To help give you the real feel of all we can offer, what we can achieve and the standards we aspire too we now have a space on 'You-Tube' for your enlightenment. (http://www.youtube.com/profile?user=RPIEngineering) to afford you a unique, real time snapshot of what you can expect from us. What's more, to see, feel and genuinely experience the passion we have for what we do and what we can do for your V8.


Summary of My Selling Policies
PaymentWe accept most payment methods. Paypal is preferred, for purchases under £250.00, and we also accept all major debit/credit cards, bank to bank transfers, cheques (allowing up to 10 working days to clear), bank drafts, plus most other legitimate/reasonable methods of payment.
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Also, if you are within the EEC VAT scheme, and provide your EEC VAT registration number, then the same reduction in purchase total may apply.

Local import duties are not covered in our quotes and we advise that you check such liabilities before you place your bid if you are unsure.
Please contact/inform us if you feel you qualify for EEC VAT exemption, and, if appropriate, we will adjust your invoice to remove the EEC VAT content, plus raise appropriate export documentation if required.
ShippingWe ship/post to the UK, Europe & Worldwide (mostly by fastest surface or air mail), and include appropriate packaging - no matter how sophisticated your parcel, within our delivery/postage quotation.
Adequate insurance is always included, unless otherwise specified.
Furthermore, if you purchase multiple items, then the cumulative postage quotes will be adjusted downwards as appropriate.
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All items purchased requiring modifications, upgrades, or for the inclusion of additional stock or non stock parts, may be subject to delay, however, you will be notified accordingly.
Refunds & ReturnsConsumers in the E.U. who buy at a fixed price (Buy it Now) have the right to cancel. To cancel, please contact us in writing or by e-mail within 7 working days after receiving the goods. You will have to return the goods to us at your own cost and risk; we will refund the purchase price and the original postage charge.
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Contact MeFeedback is the essence of a good ebayer, and we appreciate the superb feedback that has been given us already. However, due to so many transactions within our ebay shop, we have adopted a policy of returning feedback only on a weekly basis (normally every Friday).
Unfortunately however, some feedback inevitably becomes overlooked. If this is the case for you, please remind us and we will respond accordingly.

Contacting us:

Our contact email is: yabe@rpiv8.com
We will endeavour to reply to emails within 24 hours. Hours of business 9 - 4:30 Monday to Thursday, 9 - 4:30 Friday.

Our Vat number is 373 2330 72

RPi Engineering International Ltd.
Wayside Garage,
Holt Road,
Horsford.
Norwich.
NR10 3EE
BID WITH CONFIDENCE
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Technical specifications