LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> MG >> 1972 >> Midget Not Available Trans >> Repair and Diagnosis >> Engine Performance >> Tune-Up Specifications - Import >> Specifications
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Tune-Up Specifications - Import: Specifications

CAR MODEL SPARK PLUGS CARBURETOR VALVE CLEARANCE DISTRIBUTOR No.
Type Gap Make Model Int. Exh. Point Gap Cam Angle
ALFA ROMEO  Lodge                
All 2000 Models HL (1) Spica Injection (2) (3) .017-.019" 60° 1
AUDI  Champion                
Super 90 N8Y .024-.030" Solex 32/32 TDID .006"(1) .012"(1) .016" 50±3° 2
100 LS N8Y .024-.034" Solex 32/35 TDID .006"(1) .012"(1) .016" 50±3° 3
AUSTIN/MG  Champion                
M.G. Midget N9Y .025" S.U. HS2 .012"(1) .012"(1) .015" 60±3° 4
M.G.B. N9Y .025" S.U. HS4 .012"(1) .012"(1) .015" 60±3° 5
BMW  Champion                
2002 N9Y .024" Solex 40 PDSI (2) (2) .016" 60±1° 6
2002 Tii (6) .024-.028" Kugel. Injection (2) (2) .016" 60±1° 7
Bavaria N5 .024" Zenith 35/40 INAT .010"(3) .012"(3) .014-.016" 35-41° 8
3.0 CS N5 .024" Zenith 35/40 INAT .010"(3) .012"(3) .014-.016" 35-41° 9
CAPRI  Autolite                
1600 cc AGR22 .030" Mocraft. 1250 1-Bbl. .010"(2) .017"(2) .025" 36-40° 10
2000 cc BRF42 .034" Mocraft. 5200 2-Bbl. .008"(1) .010"(1) .025" 36-40° 11
2600 cc AGR32 .034-.036" Mocraft. 5200 2-Bbl. .014"(1) .016"(1) .023-.027" 37-40° 12
COLT  Champion                
4 Cyl. N9Y .030" Solex 28-32 DID .006"(1) .010"(1) .020" 49-55° 13
COURIER  Autolite                
Pickup AG32A .031" (1) 2-Bbl. (3) (3) .018.022" 49-59° 14
CRICKET  Champion                
Single Carb. N7Y .025" Strom. 150CDSET .008" .016" .015" 60±3° 15
Twin Carb. N7Y .025" Strom. 150CDSEV .008" .016" .015" 60±3° 16
DATSUN  NGK                
1200 Sedan BP-5ES .032.035" Hitachi DCH-306 .014"(6) .014"(6) .020" 49-55° 17
510 Sedan BP-5ES .032-.035" Hitachi DAH-328-2 .010"(6) .012"(6) .020" 49-55° 18
521 & 620 Pickup BP-5ES .032.035" Hitachi DAH-328-3 .010"(6) .012"(6) .020" 49-55° 19
240Z BP-6ES .032-.035" Hitachi HJG-46W .010"(6) .012"(6) .020" 35-41°(5) 20
SPARK PLUGS: NIP.  - NIPPONDENSO.
CARBURETORS: KUGEL.  - KUGELFISCHER, MOCRAFT  - MOTORCRAFT, STROM.  - STROMBERG.
No. IGNITION TIMING HOT IDLE RPM FAST IDLE RPM EXHAUST CO READING At Idle Speed Remarks
Man. Trans. Auto. Trans.
1 (4) (5) ........ ........ .8-2% (1) Surface gap type.
(2).019-.020" Cold.
(3).021-.022" Cold.
(4) 5-7° ATDC (Pulley Mark F) at Idle. 27-33°BTDC (Pulley Mark M) at 5000 RPM.
(5) Not less than 600 RPM.
2 9°ATDC(3) 950 ........ ........ 1.5% (1) Set Cold.
(2) With vacuum connected. 27°BTDC at 2500 RPM with vacuum disconnected.
(3) With vacuum connected. 18°BTDC at 2500 RPM with vacuum disconnected.
(4) Transmission Neutral.
3 8°ATDC(2) 950 950(4) ........ 1.0%
4 9°BTDC(2) 1000 ........ ........ 3% (1) Set Hot.
(2) Set at 1500 RPM with distributor vacuum disconnected.
5 16°BTDC(2) 850 ........ ........ 3%
6 23°BTDC(5) ........ ........ ........ ........ (1) At 1 700 RPM.
(2) 0.0059 - 0.0079" Cold.
(3) Set Cold.
(4) At 2700 RPM.
(5) At 2000 RPM.
(6) Bosch WG 200 T30.
7 23°BTDC(4) 900±50 ........ ........ 2-3%
8 22°BTDC(1) 900±50 900 ±50 ........ 1-1.5%
9 22°BTDC(1) 900±50 900 ±50 ........ 1-1.5%
10 12°BTDC 900/500 ........ 1700 ........ (1) Set Cold.
(2) Set Hot.
(3) With Air Cond. ON.
(4) 1600 (Manual), 1800 (Auto.).
(5) 9°BTDC on Calif. Auto. Trans.
11 6°BTDC(5) 750/500(3) 650/500(3) (4) ........
12 12°BTDC 750 650 ........ ........
13 TDC±1° 800-850 800-850 ........ 3.5-5.0% (1) Set Hot.
14 5°BTDC 700-750 ........ ....... 2.5-4.0%(2) (1) Zenith-Stromberg.
(2) Air Pump disconnected.
(3) 0.012" Calif. 0.010" others, set Hot.
(4) 0.013" Calif. 0.010" others, set Hot.
15 7°BTDC 800 600 ........ ........ (1) 0.025 0.035" clearance between screw head and fast idle cam.
16 7°BTDC 900 700 (1) ........
17 5°BTDC (1) 700 600(2) 1800 2%(3) (1) At 700 RPM.
(2) In "O".
(3) At 700 RPM on Man. Trans, or 750 RPM on Auto. Trans.
(4).6-1.2% for Auto. Trans.
(5) Auto. Trans, is 33-39°.
(6) Set Hot.
18 7°BTDC (1) 700 600(2) 2100-2400 2%(3)
19 7°BTDC (1) 700 600(2) 2100-2400 2%(3)
20 5°BTDC (1) 750 600(1) 1800-2500 1.0-1.6%(4)
CAR MODEL SPARK PLUGS CARBURETOR VALVE CLEARANCE DISTRIBUTOR No.
Type Gap Make Model Int. Exh. Point Gap Cam Angle
FIAT  Champion                
850 Spider N9Y .020-.024" Weber 30DICA .006"(1) .006"(1) .017.019" 60±3° 21
124 Sedan, Wagon N9Y .020-.024" Weber 32 DHSA .008"(1) .008"(1) .017-.019" 60±3° 22
124 Coupe, Spider N6Y .020-.024" Weber 28/32 DHSA2 .018" .020" .015-.017" 55±3° 23
128 Sedan, Wagon N9Y .020-.024" Weber 32 ICA .012" .016" .015-.017" 55±3° 24
HONDA  NGK                
600 Sedan B-8ES .028-.032" Keihin 6NM or 718A (3) (3) .012.016" 90° 25
600 Coupe Z B-8ES .028-.032" Keihin 6NM or 718A (3) (3) .012-.016" 90° 26
JAGUAR  Champion                
XKE V12 N9Y .025" Zenith-Strom. 1 75 CDSE (1) (1) (3) 20-25° 27
XJ6 Sedan N11Y .025" Strom. 175 CDSE .004"(1) .006"(1) .015" 38±3° 28
LUV  NGK                
Pick-up BP6ES .028-.032" Hitachi DRJ-340 .004"(2) .006"(2) (1) 49-55° 29
MERCEDES-BENZ  Bosch                
220 W175T30 .024" Strom. 175CDT .003" .008" .......... 47±1°(2) 30
250 W175T30 .024" Zenith 32/40 INAT .003" .008" .......... 30±1°(3) 31
280 SE W175T30 .024" Bosch Injection .003" .008" .......... 30±1°(3) 32
280SE, SEL4.5 W175T30 .024" Bosch Injection .003" .008" .012" 30±1°(4) 33
300SEL4.5 W175T30 .024" Bosch Injection .003" .008" .012" 30±1°(4) 34
350 SL4.5 W175T30 .024" Bosch Injection .003" .008" .012" 30±1°(4) 35
600 W175T30 .024" Bosch Injection , 003" .008" .......... 30±1°(3) 36
MAZDA  NGK                
1200 BP-6ES .031" (2) 2-Bbl. .010" .010" .018" 52±3° 37
1800 BP-7ES .031" (2) 2-Bbl. .012" .012" .018" 52±3° 38
616 BP-7ES .031" (2) 2-Bbl. .012" .012" .018" 52±3° 39
808 BP-6ES .031" (2) 2-Bbl. .012" .012" .018" 52±3° 40
RX2 B-7EJ .031-.035" (2) 4-Bbl. .......... .......... .018" 58±3° 41
RX3 B-7EJ .031-.035" (2) 4-Bbl. .......... .......... .018" 58±3° 42
OPEL 1900  AC                
Sedan 42FS .030" Solex 32 DIDTA-4 (3) (3) .018" 50±2° 43
Wagon 42FS .030" Solex 32 DIDTA-4 (3) (3) .018" 50±2° 44
GT Coupe 42FS .030" Solex 32 DIDTA-4 (3) (3) .018" 50±2° 45
PEUGEOT  Champion                
304 N7Y .023" Solex 34 PBISA-4 .004" .010" .014" 57±2° 46
504 N9Y 023-.027' Solex (1) .004" .010" .016" 55±2° 47
PORSCHE  Bosch                
914 W175T2 .028" Bosch Elec. Injection .006"(1) .006"(1) .016" 47-53° 48
911 T W235P21 .024" Bosch Injection .004"(1) .006"(1) .016" (2) 49
911 E W235P21 .024" Bosch Injection .004"(1) .006"(1) .016" (2) 50
911 S W235P21 .024" Bosch Injection .004"(1) .006"(1) .016" (2) 51
CARBURETORS: KUGEL.  - KUGELFISHER, MOCRAFT  - MOTORCRAFT, STROM  . - STROMBERG.
No. IGNITION TIMING HOT IDLE RPM FAST IDLE RPM EXHAUST CO READING At Idle Speed Remarks
Man. Trans. Auto. Trans.
21 TDC 850±50 ........ ........ 4.5 ±.5% (1) Set Cold.
(2) Static.
(3) 750±50 in Drive.
22 TDC 850±50 (3) 1600 ±50 3 ±.5%
23 5°BTDC(2) 850±50 ........ 1600 ±50 2 ±.5%
24 TDC(2) 850±50 ........ ........ ........
25 (1) 1100-1200 ........ ........ 2-4%(1) (1) 718A carb. only.
(2) Set notch to "F" mark.
(3) 0.003 0.006".
26 (1) 1100-1200 ........ ........ 2-4%(1)
27 10°BTDC(4) 750 ........ 1600-1700 4.5% (1).012-.014" Cold.
(2) Set Cold.
(3).020-.022" Module gap.
(4) Static timing.
(5) At 600 RPM, vacuum connected.
28 4°ATDC(5) 750 650 1100 4.5%
29 8°BTDC 700 ........ ........ ........ (1) Retarded set 0.016 0.024". Advanced set 0.018 0.022".
(2) Set Cold.
30 5°ATDC(1) 750-850 750-850 2400-2800 2.0-3.5% (1) Vacuum connected at 800 RPM, 600 RPM on Model 600.
(2) Settings given for new contact points. If used, set 50±3°.
(3) Settings given for new contact points. If used points setting is 33±3°.
(4) Setting given for new contact points. If used points, setting is 32±2°.
31 4°ATDC(1) 800-900 800-900 ........ 1.0-1.5%
32 6°ATDC(1) 700-850 700-850 2500-2700 1.5-3.5%
33 5°ATDC(1) 700-800 700-800 ........ .5-2.0%
34 5°ATDC(1) 700-800 700-800 ........ .5-2.0%
35 5°ATDCO 700-800 700-800 ........ .5-2.0%
36 5°ATDCO ........ 560-620 ........ 1.0-4.0%
37 (3) 700-750 700-750 .......... 2.5-4.0% (1) Advanced set to 5°BTDC. Retarded set to 5°ATDC.
(2) Zenith-Stromberg.
(3) Advanced set to 5°BTDC. Retarded set to 8°ATDC.
(4) Advanced set 8° BTDC. Retarded set 2°BTDC. Non Calif. cars set 8°BTDC.
(5) Trailing set, 10°ATDC. Leading set, TDC.
38 (1) 700-750 700-750 .......... 2.5-4.0%
39 (1) 700-750 700-750 .......... 2.5-4.0%
40 (4) 700-750 700-750 .......... 2.5-4.0%
41 (5) 800 800 .......... 0-3%
42 (5) 800 800 .......... 0-3%
43 (1) 850-900 800-850 .......... (1) (1) Set to timing mark at 900 RPM.
(2) 1.5-2.5%.
(3) Hydraulic.
44 (1) 850-900 800-850 .......... (1)
45 (1) 850-900 800-850 .......... (1)
46 5°BTDC 800 .......... 1300 1.55% (1) 32 BICSA-2 and 34PBIC-8.
47 5°BTDC 800 .......... 1400 2.5 ±5%
48 27°BTDC(1) 850 .......... .......... .......... (1) Set Cold.
(2) With Bosch distributor, set 38±3.° With Marelli distributor, set to 40±3°
(3) At 3500 RPM, vacuum disconnected.
(4) At 6000 RPM, vacuum disconnected.
49 32-38°BTDC(4) 900 ±50 .......... .......... ..........
50 32-38°BTDC(4) 900 ±50 .......... .......... ..........
51 32-38°BTDC(4) 900 ±50 .......... .......... ..........
CAR MODEL SPARK PLUGS CARBURETOR VALVE CLEARANCE DISTRIBUTOR No.
Type Gap Make Model Int. Exh. Point Gap Cam Angle
RENAULT  Champion                
R-12 N5 .024" Solex 32-32 SEIEMA .008" .010" .016-.020" 57±2° 52
R-15 N7Y .024" Solex 2-Bbl. .008" .010" ........ 57±3° 53
R-16 N5 .025-.028" Solex 32-32 DIDSA-8 (1) (1) .016-.020" 57±2° 54
R-17 N7Y .024" Bosch Injection .010" .012" ........ 57±3° 55
ROVER  Champion                
Land Rover 2.4 Liter UN12Y .029-.032" Zenith 36IVE .010"(1) .010"(1) .015" ........ 56
2.6 Liter N5 .029-.032" (3) 175-CD-SE .006"(1) .010"(1) .015" ........ 57
SAAB  Champion                
All V4 N11Y .024.028" Mocraft. 1250 1-Bbl. .014" .016" .016" 50±2° 58
99E N11Y .024-.028" Bosch Injection (1) (1) .012-.016" 50±2° 59
SUBARU  NGK                
ff-1 1300G BP-6E .033-.035" Hitachi DCG306-17 (1) (1) .018-.022" 49-55° 60
TOYOTA  NIP.                
3K-C Engine W20EP .028-.032" Aisan 2-Bbl. .008"(1) .012"(1) .016-.020" 52° 61
2T-C Engine W20EP .028-.032" Aisan 2-Bbl. .008"(1) .013"(1) .016-.020" 52° 62
18R-C Engine W20EP .028-.032" Aisan 2-Bbl. .008"(1) .014"(1) .016-.020" 52° 63
4M Engine W20EP .028.032" Aisan 2-Bbl. .007" .010" .016-.020" 41° 64
F Engine ........ .028-.032" Aisan 2-Bbl. .008" .014" .016-.020" 41° 65
TRIUMPH  Champion                
Spitfire MK4 UN12Y .025" S.U. H.S.2 .010"(1) .010"(1) .015" 38-40° 66
GT6MK3 UN12Y .025" Strom. 150CP .010"(1) .010"(1) .015" 40-42° 67
TR6 UN12Y .025" Strom. 175CDSE .010"(1) .010"(1) .015" 34-37° 68
Stag V8 N-11Y .025" Strom. 175CDSE .008"(1) .010"(1) .015" 30-32° 69
VOLKSWAGEN  Bosch                
Type 1 W145T1 .028" Solex 34PICT-3 .006"(2) .006"(2) .016" 44-50° 70
Type 2 W145T1 .028" Solex (1) .006"(2) .006"(2) .016" 44-50° 71
Type 3 W145T1 .028" Bosch Elec.Injection .006"(2) .006"(2) .016" 44-50° 72
Type 4 W175T2 .028" Bosch Elec.Injection .004"(2) .004"(2) .016" 44-50° 73
VOLVO  Bosch                
B20B4 Cyl. (5) W240T35 .028-.032" (2) (2) (6) (6) .016-.020" 59-65° 74
B20E4 Cyl. (5) W225T35 .028-.032" Bosch Elec.Injection (1) (1) .014" 59-65° 75
B20F 4 Cyl. W225T35 .028-.032" Bosch Elec.Injection (1) (1) .014" 59-65° 76
B30A6 Cyl. (6) W225T35 .028-.032" (2) (2) (6) (6) .010" 42±3° 77
B30E 6 Cyl. (5) W225T35 .028-.032" Bosch Elec.Injection (6) (6) .010" 42±3° 78
B30F6 Cyl. W200T35 .028-.032" Bosch Elec.Injection (6) (6) .010" 42±3° 79
SPARK PLUGS: NIP  . - NIPPONDENSO.
CARBURETORS: KUGEL.  - KUGELFISCHER, MOCRAFT  - MOTORCRAFT, STROM  . - STROMBERG.
No. IGNITION TIMING HOT IDLE RPM FAST IDLE RPM EXHAUST CO READING At Idle Speed Remarks
Man. Trans. Auto. Trans.
52 (4) 675-725 (3) 1400-1500 2% (1) 0.006" Int. 0.008" Exh. Cold.
(2) Static.
(3) 600-650 in "Automatic".
(4) TDC on Man. Trans. 6°BTDC on Auto. Trans., Static.
(5) At Idle. Marks on flywheel.
(6) At 1100 RPM. Marks on flywheel.
53 5±1°BTDC(5) 775-800 ..... .......... ..........
54 TDC(2) 700 ±25 650±25 .......... ..........
55 14±2°BTDC(6) 775-800 .......... .......... ..........
56 6°ATDC(2) 750-800 .......... .......... .......... (1) Set Hot.
(2) Vacuum connected.
(3) Zenith-Stromberg.
57 6°ATDC 500 .......... 1000-1200 ..........
58 3°BTDC(4) 900(3) .......... 1900-2100 2.5% (1) 0.008 - 0.010" Int., 0.016 - 0.018" Exh.
(2) At 800 RPM maximum.
(3) Headlights ON.
(4) At 900 RPM maximum.
59 5°BTDC(2) 800-850 800-850 .......... ..........
60 6°BTDC 800 .......... .......... 1-3% (1).011-.013".
61 5°BTDC 650 650(2) .......... 2-3% (1) Set Hot.
(2) In Drive.
(3) 5°BTDCon Auto. Trans.
62 5°BTDC 750 650(2) .......... 2-3%
63 7°BTDC 650 650(2) .......... 2-3%
64 7°BTDC 700 650(2) .......... 1-3%
65 7°BTDC 600 .......... .......... 2-3%
66 2°ATDC 800-850 .......... .......... .5-2.5% (1) Set Cold.
(2) Control knob pulled all the way out.
67 4°ATDC 800-850 .......... .......... .5-2.5%
68 4°ATDC 800-850 .......... .......... .5-2.5%
69 4°ATDC 800-850 800-850 1100(2) .5-2.5%
70 5° AT DC(3) 800-900 900-1000 1450-1650(4) .......... (1) 34 PDSIT-2 (Left Side). 34 PDSIT-3 (Right Side).
(2) Set Cold.
(3) At Idle, vacuum connected.
(4) Throttle positioner against adjusting screw.
(5) Vacuum disconnected.
(6) At 3500 RPM.
71 5°ATDC(3) 800-900 900-1000 1450-1650(4) ..........
72 5°BTDC(5) 800-900 900-1000 .......... ..........
73 27°BTDC(6) 850-900 850-900 .......... ..........
74 10°BTDC(6) 800 700 .......... 1-1.5%(4) (1) 0.016 0.018"
(2) Zenith-Stromberg 175CD-2-SE or SU-HIF6.
(3) At 600-800 RPM, vacuum disconnected.
(4) 0.5-10% on Auto. Trans.
(5) East Coast only.
(6) 0.020 - 0.022".
75 10°BTDC (1) 800 700 .......... 1-1.5%(4)
76 10°BTDC (1) 800 700 .......... 1-1.5%(4)
77 10°BTDC (1) 800 700 1100-1300 2.5%
78 10°BTDC (1) 900 800 .......... 1-1.5%(4)
79 10°BTDC (1) 900 800 .......... 1-1.5%(4)