High Performance BRISK Silver Spark Plugs for FORD Petrol, LPG & CNG Motor Vehicles
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Fitting the Correct Spark Plugs for LPG - CNG or Petrol
Check to see what spark plugs you have fitted in your vehicle, if you have platinum or Iridium tipped spark plugs fitted they are No good for LPG or CNG there is No such thing as an iridium or platinum LPG spark plug! we recommend you replace your spark plugs with Genuine LPG / CNG spark plugs > Brisk Silver Spark Plugs are made for LPG - CNG & Petrol they have solid silver electrodes to produce a superior spark as you can clearly see in the chart below Silver has the highest Thermal & Electrical Conductivity where as Nickel, Platinum & Iridium are very poor, Silver spark plugs come in two types (YS) single electrodes for all vehicle types & The (LGS Premium) type multi electrode type theses can only be fitted to modern vehicles with electronic ignition systems they are not recommended for older vehicles with ignition points or poor ignition systems, the LGS spark plugs are specially designed by Brisk to produce incredible sparks across 2.9 mm gaps in a 360 degree firing pattern - theses are special spark plugs they cannot & do not require any adjustment they are ready to fit.

 Do Spark Plugs make a Difference?
Yes 100% - Vehicles fitted with Poor Quality spark plugs produce a weak spark, to ignite a fuel with a weaker spark the engine requires a much richer fuel mixture - with poor spark plugs you will use more fuel even petrol, when running a vehicle on LPG or CNG you need a much stronger spark due to LPG & CNG being a dry fuel it is harder to ignite than petrol so you need a much richer fuel mixture! most vehicles are fitted with lambda control systems like petrol injection vehicles which correct the mixture by monitoring the exhaust emissions this can lead to a serious problem running on LPG or CNG with weak spark plugs as un burnt LPG or CNG has an affect on the vehicles lambda exhaust probe sensors which makes the sensors read incorrectly (weaker) the vehicles Ecu or lambda control system detects this & tries to correct this by increasing the fuel mixture even more although the system now thinks the mixture is correct is Not it is incorrect the engine is actually running far to Rich not only is this decreasing your fuel economy but also increasing the exhaust emissions CO & HC no longer a green conversion in some tested we have found the emissions to be much higher than petrol emissions & failed MOT's, this also has an increased affect on the engine & exhaust temperature which can seriously damage the catalytic converter due to overheating.

 Common Symptoms found with Weak Spark Plugs
Poor Fuel Economy, Misfires, Poor idle, Stalling, Hesitation & Jerking under load, Less Power, Poor Performance in some cases undrivable on Lpg or Cng, Back fires, Engine management light coming on, Limp home mode, Exhaust system overheating, Lambda sensor damage, Catalytic converter damage, etc..

 Spark Plug Gaps for LPG & CNG
when fitting Brisk Single Silver Electrode (YS) spark plugs it is recommended to set the spark plug gaps to the manufactures recommended gap as for Petrol unless otherwise listed for your model like (DR15YS-9) -9 being the recommended gap = 0.9 mm etc… if the gap is not listed then use the manufactures recommended on some vehicles with spark monitoring try reducing the spark plug manufactures gap by  0.1 mm to compensate for the dryer fuel - The (LGS) type spark plugs are specially designed spark plugs which produce incredible sparks across large gaps like 2.9 mm theses cannot & do not require any adjustment they are ready to fit.

 Economy & Customer Feed Back on LPG , CNG & Petrol
Please Note: Fuel Economy on any fuel is very difficult to calculate as we all drive differently, all have different loads, all use different equipment & tuning of the systems, when fitting the New spark plugs the system should be retuned as most have be setup rich to work on the old type spark plugs, etc..  if you have tuning equipment you can do your own calculations by comparing the original tuning map to the new map tuning with the new plugs fitted, or by monitoring your fuel figures prior to fitting & then after, I always like to receive customer feedback of there test results, etc...!

Feed back from customer tests the results = on LPG increase in economy from 5 to 30% a few claiming more! - on Petrol up to 10% - Performance increase up to 5% - Noticeable while driving most customers say they have noticed the difference in driving the vehicle saying it is more crisp & responsive with better fuel economy, customers with prior problems like hesitation, jerking, very poor economy caused by poor spark plug ignition have found the plugs solved most problems & after retuning the system to use the correct mixture, etc...  Motor cyclist noticed the difference in power & power band smoothness as well as a slight increase in fuel economy, etc...

But note: this does not mean you will get an increase or solve any of you systems problems as many other factures must be taken into consideration & account like the increase in fuel economy can be used as power & performance depending on how you drive! plus any Vehicles faults with the petrol or LPG system/s & Poor tuning, etc...

The following Tests Mapping Charts are photos of the tuning done on a Toyota Amazon 4.7i V8 fitted with the Vogas gas injection system fitted with split fuel capability.

 The First Chart (left)
fitted with Original Iridium spark plugs the results = very poor economy on LPG, System had use split fuel to inject 30% petrol under load to stop misfires juddering due to poor ignition of the fuel

 The Second Chart (middle)
fitted with Standard Copper spark plugs the results = an improvement in economy & split fuel reduced to inject only 15% petrol under very hard load

 The Final Chart (right)
Fitted with Brisk DOR15LGS Premium Silver spark plugs the results = increase in fuel economy by other 30% compared to Iridium spark plugs, split fuel turn off running 100% LPG, no hesitation, no misfires or juddering, map greatly reduced.

 Tests showed the (YS) Spark Plugs produced nearly the same Fuel Economy Results as that of the LGS Premium Spark Plugs. But the (LGS) do out perform the (YS) in performance, etc...
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Thermal & Electrical Conductivity of Spark Plugs the Best being Silver!

Spark Plug
Centre Electrode
Material

Thermal
Conductivity
(M•K)

Electrical
Conductivity
MS/m

Spark Plug
Expected Life
(Miles)

Silver

407

66

25/30,000

Copper

384

57

25/30,000

Gold

310

45

unknown

Iridium

147

18

90,000

Platinum

70

10

90,000

Nickel

59

10

10/20,000

Testes done on Toyota Amazon 4.7i V8 with original Iridium - Standard Copper & Brisk LGS spark plugs

Charts Clearly show a Good Reduction in Fuel Mixture being Injected across all Loads indexes
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To Order > Make A Note of the Plugs listed for your Model then Click the (Add to Cart) Button this will take you to a new page with the plugs listed to Buy

 
Note: Before Ordering if your model or Brisk Spark Plugs are marked with ???? marks
   then you need to Email your Vehicle Details like below & Original Spark Plug Make & Number fitted - So I can confirm it is correct for your vehicle model
   if you prefer to you can check the cross reference of the spark plugs you have fitted in your vehicle via this link = Cross Reference
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
A-Serie 2,0 48kW NX V4 ESX 1V -  - n/a LR15YS
A-Serie 3,0 78kW HXB V6 ESX 1V -  - n/a LR15YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Aerostar 3,0    - -  - GOR15LGS GR15YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Bronco 4,9  - Y - 1983 -1986  -  -
Bronco 4,9  - Y EFI - 1987 -1995  -  -
Bronco 4,9  - E - 1980 -1982  -  -
Bronco 5,0  - F - 1980 -1985  -  -
Bronco 5,0  - A EFI - 1985 -1996  -  -
Bronco 5,8  - G - 1980 -1985  -  -
Bronco 5,8  - H - 1985 -1986  -  -
Bronco 5,8  - H EFI - 1988 -1995  -  -
Bronco 5,8  - H - 1987  -  -
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Bronco II 2,0  - C - 1984 GOR15LGS --- ? GR15LGS --- ?
Bronco II 2,3  - A - 1984 -1985 GOR15LGS --- ? GR15LGS --- ?
Bronco II 2,3  - A EFI - 1988 GOR15LGS --- ? GR15LGS --- ?
Bronco II 2,8  - S - 1983 -1985 GOR15LGS --- ? GR15LGS --- ?
Bronco II 2,9  - T EFI - 1986 -1990 GOR15LGS --- ? GR15LGS --- ?
Bronco II 4,0  - X EFI - 1990 - GOR15LGS --- ? GR15LGS --- ?
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Capri mk1 1,3 kW  - Ngk BP6ES 1968>1973  - LR15YS
Capri mk2/3 1,3 kW - Ngk BPR6ES 1974>19827  - LR15YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Capri mk2/3 1,4 kW  - Ngk BPR6ES 1974>1982  - LR15YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Capri mk1, 2, 3 1,6 kW  - Ngk AP6FS 1968>1987 n/a a/a
Capri Barchette 16V 1,6 77kW B6 DOHC - 1991> DOR15LGS DR15YS-9
Capri XR2 Turbo 16V 1,6 100kW B6/BP DOHC - 1991> DOR15LGS DR15YS-9
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Capri 2,0 72kW 2VHC OHC, NEN Ngk AP6FS 1974>1987  -  -
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Capri 2,3 79kW YYE, YYN Ngk BPR6ES 1979>1984  - LR15YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Capri 2,8 118kW RRN, FIHC V6 Ngk BPR6ES 1981>1987  - LR15YS
Capri Tickford 2,8 118kW V6 Ngk BCPR6ES 1984>1987  - DR15YS
Capri Turbo 2,8 138kW Turbo V6 - 1981>1983 DOR14LGS --- ? -
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Capri mk1 3,0 kW V6 ESSEX Ngk BP6ES 1968>1973  - LR15YS
Capri mk2/3 3,0 101kW V6 HYF Ngk BPR6ES 1974>1981  - LR15YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Cougar 2,0 96kW EDB, A, B, C, D, Zetec E SEFI Ngk PTR5A10 1998>2002 ROR15LGS  n/a
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Cougar 2,5 125>151kW LCB, A, B, C, E, MABB, Duratec VE SEFI Ngk PTR5D10 1998>2002 GOR17LGS GR17YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Courier, Kombi, Van 1,3 44kW 2V HCS, JBD Ngk BPR6EFS 1991>1995 GOR15LGS GR15YS
Courier, Kombi, Van 1,3 44kW Endura E-SEFI Ngk BPR5EFS 1995>2003 GOR17LGS GR17YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Crown Victoria 4,6 175 Bhp - Motorcraft SP405 2000 GOR15LGS GR15LGS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Econoline E150 5,0 kW V8 - 1993 GOR17LGS GR17YS
Econoline E150 5,8 kW V8 ASF32C / BPR5FS 1991 HOR17LGS n/a
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Econovan 1,4 48kW UC OHC/E 2V - 1985> LOR15LGS LR15YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Escape 2,0 kW - Ngk LTR5IX-11 2000 ROR15LGS n/a
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Escort mk1 1,1 kW OHV Ngk BP6ES 1967>1974  - LR15YS
Escort mk2 1,1 42kW OHV Ngk BPR6ES 1974>1980  - LR15YS
Escort 1,1 43kW CVH Ngk BCPR6ES 1980>1982  - DR15YS
Escort 1,1 37>40kW OHV, GSG, VAL, GUG, HCS Ngk BPR6EFS 1980>1991 GOR15LGS GR15YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Escort mk1 1,3 kW OHV Ngk BP6ES 1967>1974 - LR15YS
Escort mk2 1,3 kW OHV Ngk BPR6ES 1975>1980 - LR15YS
Escort 1,3 51kW CVH Ngk BCPR6ES 1980>1985  - DR15YS
Escort 1,3 44>46kW JBA, JBB, OHV, J6A, HCS, CFI Ngk BPR6EFS 1986>1994 GOR15LGS GR15YS
Escort 1,3 44kW J4B Endura-E SEFI Ngk BPR5EFS 1994>2000 GOR17LGS GR17YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Escort 1,4 51>54kW CVH Ngk BCPR6ES 1986>1990 DOR15LGS DR15YS-9
Escort & Van 1,4 kW CVH, CFI, PTE Ngk BCPR6ES 1990>2002 DOR15LGS DR15YS-9
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Escort mk1 Twincam 1,6 kW DOHC Ngk B8ES 1967>1971  - LR12YS
Escort Mexico 1,6 kW OHV Ngk BP6ES 1970>1974  - LR15YS
Escort Mexico 1,6 kW OHC Ngk AP6FS 1976>1980 n/a n/a
Escort 1,6 kW OHV Ngk BPR6ES 1975>1980  - LR15YS
Escort 1,6 66kW CVH Ngk BCPR6ES 1986>1992 DOR15LGS DR15YS
Escort 1,6 65kW ZETEC-E Ngk TR5A10 1992>2000 ROR15LGS  n/a
Escort XR3 Carb 1,6 71kW CVH Ngk BCPR6ES 1980>1985 - DR15YS
Escort XR3i 1,6 77kW CVH Ngk BCPR6ES 1980>1985  - DR15YS
Escort RS1600 mk1 1,6 62kW DOHC Ngk BP7ES 1971>1974  - LR14YS
Escort RSi 1,6 85kW LUAE CVH FI Ngk BCPR7ES 1982>1984 DOR14LGS DR14YS
Escort RSi Turbo 1,6 97kW LNB CVH FI Ngk BCR8ES 1985>1991 DOR12LGS DR12YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Escort RS1800 mk2 1,8 kW BDA Ngk BP7ES 1975>1980 - LR14YS
Escort 1,8 85kW ZETEC-E Ngk PTR5A10 1992>2000 ROR15LGS  n/a
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Escort RS2000 mk2 2,0 kW OHC Ngk AP6FS 1975>1980 - LR14YS
Escort RS2000 2,0 110kW DOHC Ngk BCPR6ES 1990>1996 DOR15LGS DR15YS-9
Escort RS Cosworth Turbo 2,0 184kW Webber ECU Ngk PFR7B 1992>1994 DOR14LGS DR14YS
Escort RS Cosworth Turbo 2,0 184kW EEC-IV Management Cosworth Ngk PFR7G11S 1994>1996 DOR14LGS DR14YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Explorer 4,0 121>152kW V6 EFI, SOHC, SEFI Ngk PTR5D13 1993> GOR17LGS GR17YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Falcon 4,0 -kW V6 NGK ZGR6B-11 1998 LOR15LGS LR15YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Festiva i 1,3 56kW Mazda-B3-MI - 1993> LOR15LGS LR15YS
Festiva i 16V 1,5 74kW Mazda-B5-MI - 1993> LOR15LGS LR15YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Fiesta 1,0 29>33kW TKA, TKW, TLA, TKB VAL 1V Ngk BPR6EFS 1976>1989 GOR15LGS GR15YS
Fiesta 1,0 33kW TLB HCS 1V Ngk BPR6EFS 1989>1996 GOR15LGS GR15YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Fiesta 1,1 37>42kW GL, GL1, GLA, GLW, GS1, GSF, VAL W Ngk BPR6EFS 1976>1987 GOR15LGS GR15YS
Fiesta 1,1 35>39kW GSF, GS1, GUB, GSH, VAL W Cat Ngk BPR6EFS 1987>1989 GOR15LGS GR15YS
Fiesta 1,1 37>40kW GUD, GUE, G6A, CFI, HCS 2V Ngk BPR6EFS 1989>1996 GOR15LGS GR15YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Fiesta 1,25 55kW DHE, DHF, DHD, DHC, DHG, DHA, DHB Ngk TR5A10 1995>2002 ROR15LGS  n/a
Fiesta 1,25 51kW M7JA, M7JB, FUJA, FUJB, Duratec Ngk TR5A10 2002> ROR15LGS  n/a
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Fiesta 1,3 49kW OHV Ngk BPR6ES 1977>1981 - LR15YS
Fiesta 1,3 49>51kW JPC, CVH, J3E,  KENT 2V Ngk BCPR6ES 1981>1987  - DR15YS
Fiesta 1,3 44kW JBC, JBB, CFI, HCS 2V Ngk BPR6EFS 1989>1996 GOR15LGS GR15YS
Fiesta 1,3 37kW JJA, JJC, JJE, JJJ, JJK, JJM, Ngk BPR5EFS 1995>2002 GOR17LGS GR17YS
Fiesta 1,3 44kW J4C, J4J, J4Q, J4R, J4T Ngk BPR5EFS 1995>2002 GOR17LGS GR17YS
Fiesta --- 8v 1,3 44>51kW Duratec, Rocam, BAA, A9A, A9B Ngk TR5B13 2002>2003 ROR15LGS  n/a
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Fiesta 1,4 51kW FUB, FUBA CVH 2V Ngk BCPR6ES 1983>1987  - DR15YS
Fiesta 1,4 52>55kW F6A, F6C, FUB, FUD, CVH - 1987>1989 DOR15LGS DR15YS-9
Fiesta 1,4 52>55kW F6E, FUG, FUJ, FUF, F4A, CVH CFI Ngk BCPR6ES 1987>1996 DOR15LGS DR15YS-9
Fiesta 1,4 66kW FHE, FHA Ngk TR5A10 1995>2002 ROR15LGS  n/a
Fiesta 1,4 59kW F6JA, ,F6JB, Duratec Ngk TR5A10 2002> ROR15LGS  n/a
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Fiesta 1,6 58kW LP3, LUB,  CVH W Ngk BCPR6ES 1983>1987 DOR15LGS DR15YS
Fiesta 1,6 66>81kW LUD, LUH, LDJ, LJC CVH, 2V, EFI - 1987>1996 DOR15LGS DR15YS-9
Fiesta 1,6 66kW L1G ZETEC SEFI Ngk TR5A10 1989>1996 ROR15LGS  n/a
Fiesta 1,6 76kW L1V, L1T Ngk TR5A10 1995>2002 ROR15LGS  n/a
Fiesta 1,6 74kW FYJA,FYJB, Duratec Ngk TR5A10 2002> ROR15LGS  n/a
Fiesta Turbo 1,6 96kW LHA CVH Ngk BCR8ES 1989>1996 DOR12LGS DR12YS
Fiesta XR2 1,6 62kW L3E, Kent Ngk BCPR6ES 1981>1983 DOR15LGS DR15YS
Fiesta XR2 1,6 71kW LUB, LUD, LP3 Ngk BCPR6ES 1983>1989  - DR15YS
Fiesta XR2 i 1,6 76-81kW LJC, LJD, LUH Ngk BCPR6ES 1989>1996  - DR15YS-9
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Fiesta XR2i, RS1800 1,8 77>96kW RQC ZETEC SEFI Ngk PTR5A10 1989>1996 ROR15LGS  n/a
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Fiesta 2,0 125kW ST150 Ngk PTR5D13 2002> GOR17LGS GR17YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Focus 1,4 55kW FXDA, B, C, D,  Z-SE SFI - 1998> ROR15LGS  n/a
Focus 1,4 kW - Ngk TR5A10 2004> ROR15LGS  n/a
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Focus 1,6 72kW CDDA - 1998> ROR15LGS  n/a
Focus 1,6 74kW FYDA, B, C, D, H, Z-SE SFI - 1998> ROR15LGS  n/a
Focus 1,6 74kW HWDA, HWDB Duratec-16V SFI - 2003> ROR15LGS  n/a
Focus 115 1,6 kw Duratec-16V Ngk TR5A10 2006> ROR15LGS  n/a
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Focus 1,8 85kW EYDB, C, D, E, F, G, I, J, L, Zetec SFI - 1998> ROR15LGS  n/a
Focus 1,8 88kW CSDA, CSDB Duratec-HE SFI - 2003> GOR15LGS GR15YS
Focus 1,8 88kW CSDA, CSDB Duratec-HE SFI Ngk ITR6F13 2006> GOR15LGS GR15YS
Focus factory LPG 1,8 -kW - - 2003> - -
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Focus 2,0 96kW EDDB, C, D, F Zetec SFI - 1998> ROR15LGS  n/a
Focus RS Turbo 2,0 158kW HMDA Duratec RS SFI - 2002>  -  -
Focus 2,0 107kW AODA, AODB Duratec-HE SFI Ngk ITR6F13 2004> GOR15LGS GR15YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Focus 2,3 kW Duratec Ngk ITR6F13 / TR6IX 2003> GOR15LGS GR15YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Fusion 1,4 59kW FXJA,FXJB Ngk TR5A10 2002>2006 ROR15LGS  n/a
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Fusion 1,6 74kW FYJA Ngk TR5A10 2002>2006 ROR15LGS  n/a
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Galaxy 2,0 85kW NSE DOHC SEFI Ngk BKR7EVX 1995>2000 DOR14LGS DR14YS
Galaxy /2 2,0 85kW ZVSA DOHC SEFI - 2000> DOR14LGS DR14YS-9
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Galaxy 16V 2,3 107kW Y5B DOHC 16V SEFI Ngk PFR6B11 1996>2000 DOR15LGS DR15YS-9
Galaxy 16V 2,3 103>107kW E5SA, E5SB DOHC 16V SEFI Ngk BKR5EVX 2000>2006 DOR17LGS DR17YS-9
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Galaxy, VR6, 4X4 2,8 128kW AAA, AMY CD V6 SEFI Ngk BKR5EKUP 1995>2000 DOR17LGS DR17YS
Galaxy 2,8 128kW AYL CD V6 SEFI Ngk PZFR5D11 2000>2006 DOR17LGS DR17YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Granada 1,6 55kW LCK - 1981>1985  -  -
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Granada 1,7 52kW NWB - 1977>1981  - LR15YS
Granada 1,7 54kW MYE - 1977>1981  - LR14YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Granada 1,8 kW OHC Ngk APR6FS 1985>1989  -  -
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Granada 2,0 kW V4 Ngk BPR6ES 1972>1975 - LR15YS
Granada 2,0 kW OHC Pinto Ngk AP6FS 1974>1977 - -
Granada 2,0 kW OHC Ngk APR6FS 1985>1989  -  -
Granada 2,0 kW DOHC EFI Ngk BCPR6ES 1989>1995 DOR15LGS DR15YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Granada 2,3 82-84kW YYU,YYP - 1972>1985  - LR15YS
Granada 2,3 82-84kW TV 23H - 1977>1985  - LR14YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Granada 2,4 96kW ARC V6 EFI Ngk BCPR6ES 1987>1989 DOR15LGS DR15YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Granada 2,5 (120)  V6 Essex Ngk BPR6ES 1972>1973  - LR15YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Granada 2,6 (125)  - - 1972>1977  - LR14YS
Granada 2,6 79>92kW TV 26L, UY - 1977>1985  - LR14YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Granada 2,8 kW V6 Ngk BPR6ES 1977>1985  - LR15YS
Granada ´85 2,8 kW PR3, PR4, PRE V6 EFI Ngk BPR6ES 1985>1987 LOR15LGS LR15YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Granada 2,9 110kW V6 EFI Ngk BCPR6ES 1987>1991 DOR15LGS DR15YS-9
Granada 2,9 107kW BRF, BRE V6 EFI Ngk BPR6EFS 1989>1995 GOR15LGS GR15YS
Granada Cosworth 2,9 143kW V6 24V EFI Ngk PFR6B11 1991>1995 DOR15LGS DR15YS-9
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Granada 3,0 (138)  V6 Essex Ngk BPR6ES 1972>1977  - LR15YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Grand Marquis i 4,6    - - 1992> GOR17LGS GR17YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
KA i 1,3 36-44kW Endura-E Ngk BPR5EFS 1996>2003 GOR17LGS GR17YS
KA i 1,3 51kW A9A,A9B Duratec Ngk TR5B13 2002> ROR15LGS  n/a
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Maverick 16V 2,0 91kW YF ZETEC-E SFI Ngk PTR5A10 2001> ROR15LGS n/a
Maverick 2,4 85>91kW KA24E Ngk ZFR5E11 1993>1998 DOR17LGS DR17YS
Maverick 3,0 145kW Duratec-VE SFI 24V Ngk PTR5D13 2001> GOR17LGS GR17YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Merkur 2,9 107kW TV 29 EFI - 1986>1993 GOR17LGS GR17YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Mondeo 1,6 65kW L1J, L1F Z-E SEFI - 1993>1996 ROR15LGS  n/a
Mondeo 1,6 65>70kW L1J, L1L, L1Q, Zetec E SEFI - 1996>2000 ROR15LGS  n/a
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Mondeo 1,8 82kW Zetec - 1993>2000 ROR15LGS  n/a
Mondeo 1,8 81>92kW CGBA/BB, CHBA/BB Duratec HE SFI Ngk PTR6F13 2000>2005 GOR15LGS GR15YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Mondeo 2,0 100kW ZETEC SEFI - 1993>2000 ROR15LGS  n/a
Mondeo 2,0 107kW CJBA, CJBB Duratec HE SFI Ngk PTR6F13 2000>2005 GOR15LGS GR15YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Mondeo 2,5 125kW SEA Duratec-VE SEFI - 1993-1997 GOR17LGS GR17YS
Mondeo 2,5 125kW Duratec-VE SFI 24V Ngk PTR5D13 2001> GOR17LGS GR17YS
Mondeo ST220 3,0 kW Duratec ST SFI Ngk PTR6F13 2001> GOR15LGS GR15YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Orion 1,3 kW CVH Ngk BCPR6ES 1983>1985  - DR15YS
Orion 1,3 44kW JBB HCS 2V Ngk BPR6EFS 1989>1991 GOR15LGS GR15YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Orion 1,4 54kW CVH Ngk BCPR6ES 1986>1991 DOR15LGS DR15YS
Orion 1,4 kW J6A Ngk BCPR6ES 1990>1994 - DR15YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Orion 1,6 kW CVH, VV Ngk BCPR6ES 1983>1992  - DR15YS
Orion 1,6 66kW CVH mechanical injection Ngk BCPR7ES 1986>1990  - DR14YS
Orion 1,6 75-79kW CVH EFi Ngk BCPR6ES 1989>1992  - DR15YS-9
Orion 1,6 66kW ZETEC Ngk PTR5A10 1992>1993 ROR15LGS  n/a
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Orion 1,8 77kW ZETEC SEFI Ngk PTR5A10 1992>1993 ROR15LGS  n/a
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
P 100 1,6 54kW LCR OHC W Ngk AP6FS 1982>1987  -  -
P 100 Pick-Up 2,0 57kW NAE OHC W Ngk AP6FS 1987>1992  -  -
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Probe i 16V 2,0 86kW 4L A EFI - 1992>1997  - DR14YS
Probe i GT 2,2 82kW 4L C - 1990> DOR17LGS DR17YS
Probe i LX Turbo 2,2 108kW 4L L - 1990>  - DR17YS
Probe 24V 2,5 120kW V6 EFI Ngk ZFR6F11 1992>1997 DOR15LGS DR15YS
Probe i GT 3,0 108kW 6V U - 1990> GOR15LGS GR15YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Puma 1,4 66kW FHD, FHF, Zetec Ngk TR5A10 1997>2001 ROR15LGS  n/a
Puma 1,6 76kW L1W Zetec SE Ngk TR5A10 2001> ROR15LGS  n/a
Puma 1,7 92kW MHA, MHB Zetec S Ngk PTR5A10 1997>2001 ROR15LGS  n/a
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Ranger i 2,9 107kW 6V<T MPI> - 1986> GOR17LGS GR17YS
Ranger i 4,0 115kW 6V<X MPI> - 1990> GOR17LGS GR17YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Scorpio 2,0 85kW NSD DOHC 8V SEFI Ngk BCPR6ES 1994>1998 DOR15LGS DR15YS-9
Scorpio 2,0 100kW N3A DOHC 16V SEFI Ngk PFR6B 1994>1998 DOR15LGS DR15YS-9
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Scorpio 2,3 108kW Y5A 16V SEFI Ngk PFR6B11 1994>1998 DOR15LGS DR15YS-9
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Scorpio 2,4 96kW ARC - 1986>1988  - DR15YS
Scorpio 2,4 92kW ARD - 1988>1994 GOR15LGS GR15YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Scorpio - XR4i, 4x4 2,8 105-110kW PR3, PR4, PRE, V6 EFI - 1985->1994  - LR15YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Scorpio 2,9 110kW V6 12V SEFI Ngk BPR6EFS 1994>1998 GOR15LGS GR15YS
Scorpio Cosworth 2,9 152kW V6 24V SEFI Ngk PFR6B11 1994>1998 DOR15LGS DR15YS-9
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Sierra 1,3 44kW OHC Ngk AP6FS 1992>1996  -  -
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Sierra 1,6 kW OHC Ngk AP6FS 1982>1984  -  -
Sierra 1,6 kW OHC Ngk APR6FS 1984>1991  -  -
Sierra 1,6 59kW CVH Ngk BCPR6ES 1994>1998 DOR15LGS DR15YS-9
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Sierra 1,8 kW OHC Pinto Ngk APR6FS 1984>1988  -  -
Sierra 1,8 kW CVH Ngk BCPR6ES 1987>1993  - DR15YS-9
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Sierra Cosworth 2,0 150-154kW N5A DOHC Ngk BCR8ES 1982>1987 DOR12LGS DR12YS
Sierra 2,0 kW OHC carburettor Ngk APR6FS 1982>1989  - -
Sierra 2,0 kW OHC injection Ngk APR6FS 1985>1989  - -
Sierra 2,0 kW DOHC EFI Ngk BCPR6ES 1989>1993  - DR15YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Sierra V6 2,3 84kW YYT Ngk BPR6ES 1982>1985  - LR15YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Sierra 2,8 105-111kW V6 injection Ngk BPR6ES 1983>1989  - LR15YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Sierra 2,9 107kW V6 injection Ngk BCPR6ES 1988>1991 DOR15LGS DR15YS
Sierra 2,9 107-110kW V6 injection cat Ngk BPR6EFS 1991>1993 GOR15LGS GR15YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Sportka 1,6 70kW CDRA,CDRB Ngk TR5B13 2003> ROR15LGS  n/a
Streetka 1,6 70kW CDRA,CDRB Ngk TR5B13 2003> ROR15LGS  n/a
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Taunus 2,0 66kW NWR,NYR - 1975>1982  - LR14YS
Taunus 2,3 84kW YYR - 1979>1982  - LR14YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Taurus 3,0  - Y DOHC V6 SFI - 1989 -1995 DOR17LGS DR17YS-9
Taurus 3,0  - S DOHC V6 SFI - 1996 -1999 GOR15LGS --- ? GR15LGS --- ?
Taurus 3,0  - U OHV V6 SFI - 1992 -1999 GOR15LGS --- ? GR15LGS --- ?
Taurus 3,0  - A SHO V8 SFI - 1996 -1999 GOR15LGS --- ? GR15LGS --- ?
Taurus 3,2  - P SHO V6 SFI - 1993 -1995 DOR17LGS DR17YS-9
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Thunderbird 3,8  - 4 EFI V6 EFI - 1988 -1997 GOR15LGS --- ? GR15LGS --- ?
Thunderbird 3,8  - R EFI V6 EFI Supercharged - 1989 -1995 GOR15LGS --- ? GR15LGS --- ?
Thunderbird 3,9  - A EFI V8 DOHC - -2002 DOR17LGS DR17YS-9
Thunderbird 3,9  - A EFI V8 DOHC - 2003 - DOR17LGS DR17YS-9
Thunderbird 4,6  - W EFI V8 SOHC - 1994 -1997 GOR15LGS --- ? GR15LGS --- ?
Thunderbird 5,0  - F EFI V8 - 1986 -1988 GOR15LGS --- ? GR15LGS --- ?
Thunderbird 5,0  - T EFI V8 H O - 1991 -1993  -  -
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Tourneo 2,0 84kW DOHC 8V Ngk BKR6EVX 1994>2006  - DR15YS-9
Tourneo Connect 1,8 85kW ZETEC-E-SEFI Ngk ---- 2002> ROR15LGS  n/a
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Transit FT 100,75 1,5 44kW V4 Taunus - 1971>1978  - LR15YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Transit 1,6 48kW  - Ngk AP6FS 1978>1985  -  -
Transit 1,6 46kW LAT, LAT OHC W Ngk APR6FS 1985>1991  -  -
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Transit FT 100,175,190 1,7 46kW V4 Essex - 1971>1978  - LR15YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Transit Connect
factory fitted LPG = Koltec 		1,8 85kW EYPA Duratec 115ps Ngk PTR5A10
M/craft AYFS22FPM1		 2002>onwards ROR15LGS n/a
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Transit 2,0 55kW V4 Essex - 1971>1978  - LR15YS
Transit 2,0 55-57kw OHC Ngk AP6FS 1983>1985  -  -
Transit 2,0 55-57kW OHC Ngk APR6FS 1985>1991  -  -
Transit 2,0 66>72kW NCA, NBA, OHC, 2V, EFI Denso MA20PRU 1991>1994 n/a n/a
Transit 2,0 84kW NSG, NSF DOHC 8V SEFI Ngk BKR6EVX 1994>2000  - DR15YS-9
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Transit 2,3 107kW ESFA, ESFC Ngk PFR6B11 2000>  - DR15YS-9
Transit factory LPG 2,3 kW - AGPS22PP1 2001>2006  - DR15YS-9
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Transit 2,9 110kW BRT V6 EFI Ngk BCPR6ES 1986>1994  - DR15YS-9
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Transit 3,0 74-78kW HX, HXC, V6, ESX 1V Ngk BPR6ES 1983>1991  - LR15YS
Model CC kW (hp) Engine Original plug Year (LGS) > LPG/CNG/Petrol (YS) > LPG/CNG/Petrol
Windstar 3,0 109kW V6 SEFI - 1994> GOR17LGS GR17YS
 
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