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[Datsun 1200 encyclopedia]

L-series Engine Components

From Datsun 1200 Club

Datsun 1200 encyclopedia | Recent changes | Edit this page | Page history | Switch to MediaWiki mode

Printable version | Disclaimers | Privacy policy
Categories: Engine Modifications | Engine Swaps | Nissan Engines

Contents

Intake Manifold

Nissan Violet

Datsun Bluebird

Single Carb

  • 14002-A8901 MANIFOLD ASS'Y-intake L14S.V 710 [1980.05 catalog]
  • 14002-A8903 MANIFOLD ASS'Y-intake L14S.V F/COLD 710 [1980.05 catalog]
    • 14035-U0101 GASKET-manifold L14S.V 710
  • 14002-A8925 MANIFOLD ASS'Y-intake L14,L16S 710 [1974.2 catalog]
  • 14002-A3419 MANIFOLD ASS'Y-intake LPG 710 [1974.2 catalog]
    • 14035-U0101 GASKET-manifold L14, L16S 710
  • 14004-A3500 MANIFOLD-exhaust L14, L16S 710 [dual outlet]
    • 20711-A0800 GASKET-exhaust tube 710
  • 14004-U9500 MANIFOLD-exhaust L14S.V 710

Twin Carb

Datsun Bluebird 510: 
Datsun Bluebird 610: 
Nissan 710: 1973-1975 only (L16T SSS)
Datsun Bluebird 910: Europe

510 SSS, CSS

  • 14002-22026 MANIFOLD ASS'Y-intake L16T, L18T 510
    • 14035-U2800 GASKET-manifold L16T, L18T
      • replaced 14035-23000 GASKET-manifold L16T, L18T
  • 14004-A3500 MANIFOLD-exhaust L16T, L18T
    • 20711-A0800 GASKET-exhaust tube 510 ALL


610 SSS

  • 14002-22026 MANIFOLD ASS'Y-intake L16T, L18T 610
  • 14002-K1425 MANIFOLD ASS'Y-intake (from '73-4) L16T, L18T 610
    • 14035-U2800 GASKET-manifold L16T, L18T (from '72-11)
      • replaced 14035-23000 GASKET-manifold L16T, L18T
  • 14004-A3500 MANIFOLD-exhaust L16T, L18T 610 [dual outlet]
  • 14004-U9500 MANIFOLD-exhaust L16T, L18T (from '75-7) 610 [dual outlet]
    • 20711-A0800 GASKET-exhaust tube 610 ALL


710 SSS

  • 14002-K1425 MANIFOLD ASS'Y-intake L16T 710 [1974.2 catalog]
    • 14035-U2800 GASKET-manifold L16T
  • 14004-A3500 MANIFOLD-exhaust L16T 710 [dual outlet]
    • 20711-A0800 GASKET-exhaust tube 710
910 Bluebird SSS (Europe, 0180-1283)
14002-K1412 MANIFOLD-INTAKE L18T
* 14035-U2800 GASKET-MANIFOLD <> 14035-U2810
14004-U9501 MANIFOLD-EXHAUST
* Same as L16S, L18S and 720.L18

Weber

<Datrally> twin-DCOE manifold
20767_56fa3dd9bbd31.jpgPost click for topic 20767_56fa3dee54502.jpgPost click for topic 20767_56fa3e02bbbf1.jpgPost click for topic

EGI

  • 14002-N6950 MANIFOLD ASS'Y-intake L16E 710 EGI -7601 [1980.05 catalog]
  • 14002-U7652 MANIFOLD ASS'Y-intake L16E 710 EGI 7601- [1980.05 catalog]
    • 14035-N6900 GASKET-manifold L16E 710 [1980.05 catalog]
  • 14002-N1400 MANIFOLD ASS'Y-intake L16E P710FE, P710WFE (SSS) EGI [1974.2 catalog]
  • 14002-N1400 MANIFOLD ASS'Y-intake KP610TE (SSS) EGI [1974.2 catalog]
  • 14002-N1400 MANIFOLD ASS'Y-intake L16E, L18E 610 EGI [1975 catalog]
    • 14035-N1401 GASKET-manifold L16E 710 [1974.2 catalog]
  • 14004-N6901 MANIFOLD-exhaust L16E 710 -7601 [dual outlet] [1980.05 catalog]
  • 14004-U7600 MANIFOLD-exhaust L16E 710 7602- [dual outlet] [1980.05 catalog]
  • 14004-N5800 MANIFOLD-exhaust L18P 710 7602- [dual outlet] [1980.05 catalog]
  • 14004-N7000 MANIFOLD-exhaust L18P 710 -7512 [dual outlet] [1980.05 catalog]
  • 14004-N7001 MANIFOLD-exhaust L18P 710 7601-7703 [dual outlet] [1980.05 catalog]
  • 20711-A0800 GASKET-exhaust tube 710

Exhaust Manifold

  • N58 exhaust ports are round (L18P Japan, 1978-1980 North America)
  • All others are square
  • A square manifold will work on a round port head (barely) better than the other way around.
  • Some late manifolds are 4 into 1 with a single large round connection to the down pipe
  • Most others are 4 into 2, with two outlets into a twin-pipe down pipe

Standard L16/L18 cast iron extractor is 4-into-2 and have an exhaust shop make up a 2-into-1 exhaust pipe, tuned to whatever RPM length you want to rev your engine.

  • fits 1200
  • lasts forever
  • no exhaust leaks
  • quiet

174_570dcf4068d57.jpg

Downpipes need to be custom-made to fit Sunny
th_012.jpg th_028.jpg th_023_V510_1969.jpg th_024.jpg

dual-outlet gasket 20691-A0880
th_025.jpg th_011_20691-A0880.jpg

14035

EFI Notched port 
* Nissan 14035-N6900
* Nissan 14035-N1401
* Cherry S8354K (14035-N1401)
Round Port
* Nissan 14035-W5800 > 14035-W5801
* Fel-Pro MS22801
Square port
* Nissan U67
* Nissan U01
* Nissan W53
* Victor Reinz MS15241
  * Nissan 14035-U0100/14035-U0101/14035-U0105/14035-U0115
  * Nissan 14035-U2800/14035-U2810
* Fel-Pro MS226931 
  * 14035-U0100, 14035-U6700, 14035-W5300

MS226931.jpg

MS15241.jpg

MS22801.jpg

N14 early EFI
S8354K_.jpg th_S8354K.jpg th_S8354K-.jpg

PB110 L14
14035-U0101 GASKET > 14035-U0101 > 14035-21000
14004-A3500 MANIFOLD
510 Japan
14053-21000 L13/L14S/L16S [small inlet port]
14053-U0101 L14S/L16S [small inlet port] > 14053-U0101
14053-28000 L16T/L18T [large inlet port] > 14004-23000
14004-21000 L13 early
14004-A3500 L13/L14S/L16S + L16T/L18T
610 JAPAN
* all square port
14035-U0101 L16S/L18S > 14035-U0100
14035-U2800 L16T/L18T > 14035-U2300
14035-N1401 L16E/L18E [single top bolt, notched] > 14035-N1400
14004-A3500 <> 14004-U9500 [Dual-outlet, divorced]
810 JAPAN
14004-W0300 L18P -7611
14004-N5800 L18P 7612-7901
14004-U7600 L18E   [dual outlet, divorced]
14004-U9500 L16S.V [dual outlet, divorced]
14004-U9656 L16S.S,K+L18S [single outlet, heat riser]
14035 MANIFOLD GASKET TO CYLINDER HEAD
14035-U0101 L16S.V -7709
14035-U0105 L16S.V 7710- > 14035-U0105
14035-U6700 L16S.S,K+L18S 7709-
14035-W5300 L16S.S,K+L18S 7710-
14035-U6700 L18P -7611
14035-N5800 L18P 7612-7702
14035-W5800 L18P 7703-
14035-N6900 L18E
A10 JAPAN
* all square port
14035-N6900 L16E [notched]
14035-U6700 L16S -7709
14035-W5300 L16S 7710-7803
14004-W5500 L16E [dual-outlet, divorced]
14004-U9655 L16S [single-outlet, heat riser]
720 USA
14004-N5800 round port, air injection, single outlet
14035-W5800 round port > 14035-W5801
N58 round port
* L18P
* late L20B USA
L20B USA with air injection
1975-1977 U67 head square ports Heat Riser type
1978-1980 W58 head round ports divorced type

N58 L20B USA late
th_001_L20B_late.jpg th_002.jpg

L20B USA early (square port with air injection)

A26 manifold

230 manifold

A21 with EGR port

Camshaft

Japan Market

  • 13001-21000 CAMSHAFT L13, L16 510 1967-1970, L14 510 1971, L14 710
  • 13001-21000 CAMSHAFT L16 510 1969, L14S B110
  • 13001-21010 CAMSHAFT L14S B210 [early], L16S 710
  • 13001-H2700 CAMSHAFT L16S 510 1972, L14T B110, L16S B210, L16S 710 1976-, L16S 610, L18S 610, L16S 810.V.MT 7808-, L18S 810 -7807, L16S 810 -7807, L16 A10
  • 13001-H2710 CAMSHAFT L14T B210, L18S 610
  • 13001-N7200 CAMSHAFT L14S 710 1976-
  • 13001-23000 CAMSHAFT L16 510 1971, L16(LPG) 1972, L16(LPG) 710, L18P 710, L18P 810
  • 13001-22000 CAMSHAFT SSS, CSS [L16T] 510 1969-, L16T 710, L16E 710, L16T 610, L18T 610, L16E 610 [late], L18E 610 [late], L18E 810
  • 13001-U4210 CAMSHAFT L16E 610 [early], L18E 610 [early]
  • 13001-E3001 CAMSHAFT L20AS 810 -7702
  • 13001-E3082 CAMSHAFT L20AS 810 7703-
  • 13001-P3000 L20AE 810 -7702
  • 13001-P3081 L20AE 810 7703-
  • 13001-U8680 L16S.V.AT 810 7710-


North America Catalog

  • 13001-21000 CAMSHAFT L13 510
  • 13001-23000 CAMSHAFT -0571 521, 620 -0872, L16 510
  • 13001-H2700 CAMSHAFT 521 [late], L16 510
  • supercedes 13001-H2710 CAMSHAFT 0671- 521, L16 510
  • 13001-U2010 CAMSHAFT L16 620 0972-, L18 710, L18 610
  • 13001-U2000 CAMSHAFT L16 620 0972-, L18 710, L18 610
  • 13001-22000 CAMSHAFT L18 620, L20B 620, L20B A10, L20B 710, L20B 610, L20B S10, L20B 720


NISSAN COMPETITION (from 1984 catalog)

  • 13001-22000 SSS CAMSHAFT (.413/248)
  • 99996-D1023 RALLY CAMSHAFT (.475/270) 109 lobe centers, requires .160" lash pads
  • 99996-D1022 SLALOM CAMSHAFT (.490/290) 109 lobe centers, requires .160" lash pads, competition springs
  • 99996-D1025 #196 RACE CAMSHAFT (.530/306) 102 lobe centers, requires alternate las pads, competition springs, spray bar
  • 99996-D1024 #273 RACE CAMSHAFT (.630/306) high-lift version of 99996-D1025
  • 99996-D1029 CAMSHAFT BILLET/UNDRILLED

Cylinder Head

Valve sizes intake/exhaust (mm)
38/33 L13,L14,L16,L20,L24
42/33 L16E,L18,L20B,L26
42/35 L18,L24E,L20B,L26
44/35 L28,L28E,L28ET

  • 11041-21000/11041-22100 HEAD ASS'Y-cylinder L14S,L16S 510
  • 11041-N2100/11041-N2102/11041-N2103 HEAD ASS'Y-cylinder L14S,L16S 510
  • 11041-A8712/11041-A8713/11041-A8714 HEAD ASS'Y-cylinder L16 510 (from '72)
    • closed chamber "peanut" combustion chamber
  • 11041-21900/11041-21901 HEAD ASS'Y-cylinder L16T 510

L16T twin-carb head used by the 510 SSS.

  • 11041-N0400 HEAD ASS'Y-cylinder L18T 510

L18T twin-carb head used by the 510 SSS.

  • U60/U67 dry manifold
  • W58/N58 round port exhaust, wet manifold

Nissan Competition

  • 11041-U8880 HIGH-COMPRESSION CYLINDER HEAD
    used with any high performance Datsun engine utilizing a stock intake manifold. It has a 41cc combustion chamber and 1.25" diameter intake ports. Valve size is 42mm/1.65" (intake) and 35mm/1.38" (exhaust).
  • 11041-U0600A SSS CYLINDER HEAD
    th_11041-U0600A.jpg
    Used with any high performance Datsun engine utilizing an SSS/SU or Mikuni/Solex intake manifold. Specifications are the same as 11041-U8880 except that intake port diameter is 1.5".
  • 99996-D1162 COMPETITION CYLINDER HEAD
    Recommended for racing purposes only. Completely ported, polished and fitted with 44mm/1.73" intake valve seats and 35mm/1.38" exhaust valve seats.
  • 99996-D1161 COMPETITION CYLINDER HEAD (W/VALVES)
    th_11041-D1161.jpg
    Recommended for racing purposes only. Specifications are the same as 11041-D1162 except that competition valves are fitted.
  • F.I.A. CYLINDER HEAD ASSY (LATE STYLE)
    This later style F.I.A. cylinder head incorporates several improvemnts over the earlier style head (11041-22010). Among them are an improved port design for better flow and the ability to utilize many stock L-series cylinder head component pieces. The 50mm Mikuni/Solex induction system listed is designed to be sued only with the 11041-N7120 cylinder head assembly. Definitely not recommended for street-driven vehicles.
  • 11041-N7120 CYLINDER HEAD ASSY
    th_11041-N7120.jpg
  • 13201-A7660 44MM/1.73" INTAKE VALVE (4)
    • Hollow stemmed and tuftrided.
  • 13202-A7660 36MM/1.42" EXHAUST VALVE (4)
    • Hollow stemmed and tuftrided.
  • 13205-N3120 VALVE SPRING SEAT/OUTER T=0.8mm (8)
  • 13206-N3120 VALVE SPRING SEAT/INNER T=2.0mm (8)
  • 13207-A7660 SPECIAL VALVE SEAL (8)
  • 13210-N7120 COLLET (16)


Early FIA head

  • slightly oblong exhaust ports
  • Cast iron cam towers with bushing inserts
  • larger exhaust ports than Late Style
  • Larger Intake and smaller exhaust than late style
  • 2cc smaller chambers than late style

Australia

V91 head is from a Series 2 Bluebird
42mm inlet valves 
35 exhaust valves
open chamber
45cc chambers

Japan

610

Bluebird U

C-265 HEAD ASS'Y-cylinder
11041-A8714 L16
11041-A8716 L16 (from '75-5) <> 11041-A8714
11041-A8717 L16 (from '76-3) <> 11041-A8716
11041-U0602 L18
11041-U0604 L18 (from '75-4) <> 11041-U0602
11041-U0605 L18 (from '75-10) > 11041-U0604
11041-U0606 L18 (from '76-3) <> 11041-U0605
11041-N1403 L16E, L18E
11041-N1407 L16E, L18E (from '75-4) <> 11041-N1403
11041-N1408 L16E, L18E (from '75-10) > 11041-N1407

710

Violet

C-426
11041-H7602 L16S
11041-H7700/11041-H7701/11041-H7702 L16E
11041-N2103/11041-N2015 L14S.V
11041-N680E L18P
11041-N7100/11041-N7101 L14.S,K
11041-W0380 L18P

720

Datsun Truck

L18
11041-U8880
11041-V9182 <> 11041-U8880

910

Bluebird

L16S
11041-U8680
11041-V9181 <> 11041-U8680

A10

JDM A10

L16 used until 7803, then replaced by Z-series
11041-H7602 L16S -7707
11041-W5380 L16S 7708-
11041-H7702 L16E -7707
11041-H5580 L16E 7708-
CAMSHAFT 
13001-H2700 L16
VALVES
13201-A1100 VALVE-INTAKE L16
13202-N6800 VALVE-EXHAUST L16E
13202-21002 VALVE-EXHAUST L16S
GASKET-MANIFOLD TO CYLINDER HEAD 
14035-N6900 L16E
14035-U6700 L16S -7709
14035-W5300 L16S 7710-

B110

1971-1973 L14-powered Sunny Excellent
L14S (single carburetor)
11041-H2512 L14S (from '73-7)
* superseded 11041-H2511 (from '73-4)
** superseded 11041-H2510
CAMSHAFT
 13001-21000 L14S
VALVES
 13201-A3500 INTAKE L14S
 13202-21002 EXHAUST L14S
L14T (twin carburetor) w/dual valve springs
11041-A8714 L14T (from '73-7)
* superseded 11041-A8713 (from '73-5)
** superseded 11041-A8712 (from E/#L14-098246)
*** replaced 11041-21901
CAMSHAFT
 13001-H2700 L14T
VALVES
 13201-A1100 INTAKE L14T
 13202-23001 EXHAUST L14T

B210

* 1973-1975 L14-powered PB210
* 1976-1977 L16-powered GB211
PB210 Single Carburetor
11041-H2510 L14S
11041-H2510 L14S (from '73-4)
11041-N2103 L14S (from '74-11)
11041-N7100 L14S (from '75-10)
 CAMSHAFT
  13001-21010 L14S
  13001-21000 L14S > 13001-21010
 VALVES
  13201-A3500 INTAKE L14S
  13202-21002 EXHAUST L14S
  13202-23001 EXHAUST L14S (from '73-4)
  13202-21002 EXHAUST L14S (from '74-11)
PB210 Twin Carburetor
11041-A8713 L14T <> 11041-A8714
11041-A8714 L14T (from '73-4)
 CAMSHAFT
  13001-H2710 L14T
 VALVES
  13201-A1100 INTAKE L14T
  13202-23001 EXHAUST L14T

Nissan Competition

13001-22000-SV SSS CAMSHAFT (.413"/248)
11041-U8880 HIGH-COMPRESSION CYLINDER HEAD
* 41cc/12.5" intake ports
* Valves: 42mm intake, 35mm exhaust
11041-D1161 COMPETITION CYLINDER HEAD
* Ported & Polished

11044-U0820 COMPETITION HEAD GASKET 87mm bore, 1.5mm thick, 9cc
11044-A7650 COMPETITION HEAD GASKET 88.5 mm, 1.5mm
13201-A1100 INTAKE VALVE 42mm (Stock L16SSS/L18SSS)
13201-E4620 INTAKE VALVE 42mm factory modified for improved flow
99996-M1030 42mm polished & tuliped
13201-N4200 44mm stock L28 valve
99996-N1100 COMPETITION 44mm polished & tuliped
13202-23001 EXHAUST VALVE 33mm stock L16
99996-M1040 COMPETITION 33mm polished & tuliped
13202-N0401 35mm Stock L16SSS/L18SSS
99996-D1034 COMPETITION 35mm polished & tuliped

USA

510

ASSY-HEAD,CYLINDER
11041-23000 -0571
11041-N2200 0671-0672 <> 11041-N2201 <> 11041-N2202
11041-N2800 0772- <> 11041-N2801
13201-21000 VALVE-INTAKE CRANK & L13 <> 13201-A3500 38mm
13201-23002 VALVE-INTAKE EXHAUST & EVAPO <> 13201-A3000 38mm
13202-21002 VALVE-EXHAUST EXHAUST CRANK & L13 33mm
13202-23001 VALVE-EXHAUST EXHAUST & EVAPO 33mm
14035-21000 MANIFOLD GASKET <> 14035-K0700 <> 14035-U0101
CAMSHAFT
13001-21000    L13 -0371
13001-23000    L16 -0771
13001-23000-SV L16 0871-
13001-H2700    L16 0871- <> 13001-H2710 <> 13001-H2700-SV

610

Datsun 610 came with L18 for 1973 model year and L20B from 1974.

CYLINDER HEAD
L18  11041-U2001,11041-U2002,11041-U2003
L20B 11041-H6002
For service (replacement), these heads are authorized: 
L18 : 11041-U2004
L20B: 11041-U6001,11041-U6700,11041-U6701,11041-U6702.

620

11041-U6700 -0876 also 11041-U6701,11041-U6702
11041-W5880 0877-

710

Datsun 710 came with L18 for 1973-194 model years and L20B from 1975.

CYLINDER HEAD
L18  11041-U2003
L20B 0974-1076 11041-U6700, 11041-U6701,11041-U6702
     USA 1176- 11041-W5880 <> 11041-N5800
     CAN 1176- 11041-U6702

S10

A10

USA A10 (1978-1981 Datsun 510)

CYLINDER HEAD
11041-W5880 L20B
CAMSHAFT
13001-22000-SV 
VALVES
13201-N7000 VALVE-INTAKE
* superseded 13201-A1100 
13202-N0401 VALVE-EXHAUST
* superseded 13202-N0400

S10

S10 North America (1977-1979 Datsun 200SX)

L20B

CYLINDER HEAD
11041-W5880 USA,CAN 0877-
* superseded 11041-N5800 USA -0777
11041-U6702 CAN -0777
CAMSHAFT
13001-22000 [L20B/SSS]
VALVES
13201-A1100 VALVE-INTAKE [42mm]
13202-N0400 VALVE-EXHAUST [35mm]

Valves

INTAKE
13201-A3500
13201-A1100 42mm stock L16/L18 SSS valve
13201-E4620 42mm factory modified for improved flow
99996-M1030 42mm competition polished and tuliped
13201-N4200 44mm stock L28 valve
99996-N1100 44mm competition polished and tuliped
* 99996-N1120 44mm steel seat, required for 4-cylinder head

EXHAUST
13202-21002 
13202-23001 33mm stock L16 valve
13202-M1040 33mm competition polished & tuliped
13202-N0401 35mm stock L16T/L18T/L20B valve
99996-D1034 35mm competition polished & tuliped

Thermostat Housing

L20B thermostat housing changed three times due to incorrect readings on the temperature gauge.

The improved version is a 3-bolt outlet & gasket, from May 1978.

USA 720	L20B	
11061-Y7000 HOUSING-THERMOSTAT
11062-Y7000 GASKET-WATER OUTLET
11060-Y7010 OUTLET-WATER

The 3-bolt housing is the best one. The dealers used to put it on L20Bs that were marginally overheating and it fixed the problem. Of course you have to change both the housing and the outlet both.

The last time Nissan revised the L20B thermostat housing they increased the outlet to a larger diameter, and used larger hoses. This was to (yet again) prevent overheating issues. It seems to have worked.

USA
11062-Y7000 GASKET-WATER OUTLET <> 11062-D4200
WASHER-JOINT,OUTLET
720	L20B
910	L24E/LD2
B11	CD17
S12	CA18DET
S130	L28E
T11	CA20S
S10	L20B 0578-
620	L20B 0578-
11062-D4200 GASKET-WATER OUTLET
910	L24E
B11	CD17
KN13	CA16DE/CA18DE
511	CA20S
11060-Y7010 OUTLET-WATER
720	L20B
910	LD28
S10	L20B 0578-
620	L20B 0578-

11061-Y7000 HOUSING-THERMOSTAT
720	L20B
S10	L20B 0578-
620	L20B 0578-

Clutch

L Engine transmissions use a hydraulic clutch. For LHD 1200s, just connect the existing hose to the new transmission.

Changing the clutch over to hydraulic from the Datsun 1200 cable system. You can use a Clutch Master Cylinder from Stanza A10. Put a hole through the firewall with a hole saw and bolt it up. Its very close to the brake master cylinder. Straighten the clutch pedal at the top so that it pivots correctly.

Also see for more ideas: Hydraulic clutch

180mm: L14
200mm: L16/L18/L20B cars
225mm: L18/L20B trucks
240mm: L24/L26/L28
5-bolt: L13/L14/L16/L18
6-bolt: L20B/L24/L26/L28
1974 620 with L18: 5 bolt crank and 225mm

Flywheels

When purchasing the engine, get the matching flywheel with it. Some L-series engines use a crank with five bolts for the flywheel, but most have six bolts.

Best to get the matching clutch assy and be sure to get tne matching release bearing sleeve.

L14
5-bolt flywheel with 180 mm clutch surface
L16, L18 cars
5-bolt flywheel with 200mm clutch surface
L18 - 1974 Datsun 620 Pickup
5-bolt flywheel with 225mm clutch surface
L20B
6-bolt flywheel with 225mm clutch surface (trucks)
6-bolt flywheel with 200mm clutch surface (S10)

280Z (L28) Flywheel
11251.jpgAlbum click to view

Distributors

Points, Hitachi remote EI from 1976-1978, and Matchbox from 1979-up. Z-series and L-series distributors interchange but only the 4-plug type should be used.

Advance Curves

1974 620 with L18
initial timing 12@800rpm (12@650 in "D")
D4A2-01 550rpm/0 to 2150rpm/10, 5.91inHg/0 to 0.94inHg/3.5
Total advance: 10 initial + 2x12 centrifugal = 34
1976 S30 with L28E
plug gap .8mm (0.031 in.)
FED D6F4-01 7 @ 800rpm HOT, 13 COLD
FED D6F4-02 7 @ 700rpm HOT, 15 COLD with AUTOMATIC
CAL D6F4-03 10 @ 800rpm
CAL D6F4-03 10 @ 700rpm with AUTOMATIC
CAL 2+2 D6F4-02 10 @ 700rpm
2+2 D6F4-01 7 @ 700rpm HOT, 13 @ 800rpm COLD
2+2 D6F4-02 7 @ 700rpm HOT, 13 COLD with AUTOMATIC 
1977 S10 with L20B
all the same Centrifugal curve except CAN AT
all Vacuum curves vary
Full advance:  initial +  centrifugal = 
Hitachi Remote EI, high-energy 
plug gap 1.1mm (0.043 in.)
CAL MT D4F5-06 600rpm/0 to 1950rpm/11, 2.76inHg/0 to 7.68inHg/10
CAL AT D4F5-07 600rpm/0 to 1950rpm/11, 3.54inHg/0 to 5.51inHg/13
Hitachi points 
plug gap 0.9mm (0.035 in.) 
FED MT D4A5-14 600rpm/0 to 1950rpm/11, 2.76inHg/0 to 7.68inHg/10
FED AT D4A6-03 600rpm/0 to 1950rpm/11, 3.54inHg/0 to 6.30inHg/4
CAN MT D4A6-06 600rpm/0 to 1950rpm/11, 5.91inHg/0 to 9.84inHg/5
CAN AT D4A6-07 550rpm/0 to 2300rpm/11, 5.91inHg/0 to 9.84inHg/3

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