Lister 5/1 Diesel

Petrol Engine Info

Champion (GB) Cross-Reference Chart from the 1950's


10mm Thread x 1/2" Reach

Heat Range Champion 2-Stroke Suppressor AC AutoliteBoschKLGLodge
Hottest Y-8 N/A N/A M8 or 108 P6 or PR6 U95T3TEN20S ----
Warmer Y-7 N/A N/A ---- ---- ---- TENL50 CL10/HL10P
Colder Y-6 N/A N/A 106 ---- U145T3 TEN50 C10
Coldest Y-4 N/A N/A 104/103/103S P4/PR4 U175/200T3 TEN50 ----

12mm Thread Spark Plugs

Heat Range Champion 2-Stroke Suppressor AC AutoliteBoschKLGLodge
Medium P5 N/A N/A ---- ---- X175T1 TW50 C12

14mm Thread x 3/8" Reach

Heat Range Champion 2-Stroke Suppressor AC AutoliteBoschKLGLodge
Hottest J-14 N/A N/A 49, 48 ---- W95T1 ---- BB14S
Warmer J-12 J12J N/A 47, 47Com, 48X A11, AR10 W125T1 FT20 BAN,BS14
Warmer J-11 J11J N/A 46-5, 46, 46X
46Com,
45-46X
A9 W145T3 ---- BB14S
Medium J-8 J8J XJ8 45Com, 45, VF9,
44-5Com, 44-5
AR8 AT8 A7 AN7 4S-140 4S-165 W175T4 TFS50 CAN
Cooler J-7 J7J N/A 44, 44Com A5 AN5 AR5 W175T4 ---- ----
Cooler J-6 J6J N/A 43 43Com AT4 AH4 W225T3 FS70 HAN
Colder J-5 N/A N/A ---- ---- ---- ---- ----
Colder ---- J3 N/A 42-5Com ---- ---- ---- ----
Coldest J-2 N/A N/A 42Com A3 AR4 W240T3 ---- ----

14mm Thread x 7/16" Reach

Heat Range Champion 2-Stroke Suppressor AC AutoliteBoschKLGLodge
Hottest H-11 N/A N/A 44L 45L 45LCom ARL8 W125T1 W145T1 ---- BS14
Warmer H-10 HT10J N/A VF9 44L AL7 W175T FA50 CS14 CSN14
Medium ---- H10J N/A N/A ---- W225T1 ---- ----
Colder H-9 N/A N/A 43L ARL5 W225T1 FA70 ----
Coldest H-8 N/A N/A 42LCom AL5 W240T1 ---- ----

14mm Thread x 1/2" Reach

Heat Range Champion 2-Stroke Suppressor AC AutoliteBoschKLGLodge
Hottest L-8 N/A N/A ---- ---- W95T1 W125T1 F20 B14
Warmer L-10 N/A XL10 F10 F9 AR6 W145T1 W175T1 F50 CF50 C14 CN
Warmer ---- L-10S N/A 44 F8 ---- W225T1 W240T1 F80 F70 H14 H14S HN
Medium LA-10 N/A N/A ---- ---- W240T1 ---- H14 H14S
Colder L11S N/A N/A 42 56 ---- W240T1 W260T1 F100 HHN HNP 3HN HH14
Colder LA11 N/A N/A ---- ---- W275T 646 F280 R47
Colder LA14 N/A N/A ---- ---- W370T9 689 F290 R49
Coldest LA15 N/A N/A ---- ---- W400T9 731 875 F300 F320 F340 R51 R53

14mm Thread x 3/4" Reach (NA-10 and down are Listed as Racing & Sports Types)

Heat Range Champion 2-Stroke Suppressor AC AutoliteBoschKLGLodge
Hottest N-7 N/A N/A ---- ---- W95T2 W125T2 FE20 BL14 BLN
Warmer N8B N/A XN8B FL9 AE10 W145T2 W175T2 FE50 CL14 CLN CLN-P CB14 CLN-H
Warmer NA8 N/A N/A 45XL ---- W175T2 W225T2 FE70 FE80 HLN HLNP HL14
Medium NA-10 N/A N/A FL7 ---- W240T2 W260T2 FE100 RL47 3HLN
Colder NA-12 N/A N/A ---- ---- 320 (Heat value) FE280 646LR RL49
Colder NA-14 N/A N/A ---- ---- 425 (Heat Value) 731LR FE300 RL51
Colder NA-18 N/A N/A ---- ---- 450 (Heat Value) ---- ----
Coldest NA-19 N/A N/A ---- ---- 500 (Heat Value) 875LR FE320 RL53

18mm Thread x 1/2" Reach (R-series are Racing Plugs)

Heat Range Champion 2-Stroke Suppressor AC AutoliteBoschKLGLodge
Hottest C-7 N/A N/A 87Com 87 BR10 M45T1 ---- C3
Warmer 11Com N/A N/A EC8 ---- DM95T1 TMB50 CV
Warmer 8Com N/A N/A 86Com 86 BT8 BR8 M95T1 DM95T2 M30 BBL
Warmer 7 N/A X7 85 84 85Com B7 M145T1 or T5 M50 C3 C1
Medium 7Com N/A N/A 84Com ---- M175T1 or T11 M50 C3 C1
Colder 6Com 6MJ N/A 83Com 83SCom B5 BR4 DM175T6 M50 C3 C1
Colder R-3 N/A N/A ---- ---- DM250T3 ---- ----
Colder R-7 N/A N/A ---- ---- 330 (Heat Value) ---- ----
Colder R-1 N/A N/A ---- ---- 395 (Heat Value) ---- ----
Colder R-11 N/A N/A ---- ---- 450 (Heat Value) ---- ----
Coldest R-2 N/A N/A ---- ---- 500 (Heat Value) ---- ----

18mm Thread x 5/8" Reach

Heat Range Champion 2-Stroke Suppressor AC AutoliteBoschKLGLodge
Hottest 7ComL N/A N/A ---- ---- M30T ML30 CL3 CB3
Hot 9Com N/A N/A 85LCom B11 M35T1 TML50 CV L

18mm Thread x 7/8" Reach

Heat Range Champion 2-Stroke Suppressor AC AutoliteBoschKLGLodge
Hottest 15-A N/A N/A 86 85SCom BH8 BT10 B9 M145T5 SM30 SM50 SC3 SC
Medium 17 + 5Com 5MJ N/A 83SCom 82SCom BT4 B3 M225T11 M240T11 M80 M60 H3
Coldest 16 + 4Com N/A N/A 82 81SCom BT3 M240T11 M260T11 M100 H1P X1

Hesselman Fitting

Heat Range Champion 2-Stroke Suppressor AC AutoliteBoschKLGLodge
Medium DL-8C N/A N/A ---- ---- DM20A2 TME30 CKX CVX
Medium D-8 N/A N/A 14 ---- M20T1 TML30 CBX

22mm Thread Spark Plugs

Heat Range Champion 2-Stroke Suppressor AC AutoliteBoschKLGLodge
Hottest 3Com N/A N/A 78LCom T11 TT10 Z30T2 ---- ----
Warmer 20 N/A N/A 78 77Com ---- Z45T4 A5 ST STX
Warmer 2Com N/A N/A 77LCom T9 Z95T2 AL20 ----
Medium C-4, C-5 N/A N/A 78S 76Com ---- Z45T1 A10 CT
Colder 1Com N/A N/A 74 74Com 75Com TT8 T7 T5 Z120T1 Z145T1 A20 ----
Colder 0Com N/A N/A 73Com TT4 TH8 Z145T1 A30 CV T
Coldest 00Com N/A N/A ---- ---- ---- TAB60 ----

1/2" Pipe Fitting

Heat Range Champion 2-Stroke Suppressor AC AutoliteBoschKLGLodge
Medium 31, A25 N/A N/A 26 F11 Z10T1 G20 AF


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