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L-series and Z-series/KA-series use the same bell patttern -- BUT the L-series is a slant engine. So while the transmissions will physically bolt on, use the Z-/KA front case with the Z-series engines, and the L-series front case with the L-series engines. OR, you can bend the gearshift to the appropriate angle, but you risk transmission oil leaking out as the gearbox will now be installed on a slant. | L-series and Z-series/KA-series use the same bell patttern -- BUT the L-series is a slant engine. So while the transmissions will physically bolt on, use the Z-/KA front case with the Z-series engines, and the L-series front case with the L-series engines. OR, you can bend the gearshift to the appropriate angle, but you risk transmission oil leaking out as the gearbox will now be installed on a slant. | ||
+ | |||
+ | == Swap Notes == | ||
+ | Z-series transmission into B210 | ||
+ | |||
+ | [http://datsun1200.com/modules/newbb/viewtopic.php?post_id=320875#forumpost320875 photo] | ||
+ | <br><img size=320>http://datsun1200.com/uploads/newbb/thumbs/2531_4c0c2f9207685.jpg</img> | ||
+ | |||
+ | [http://datsun1200.com/modules/newbb/viewtopic.php?post_id=320876#forumpost320876 photo] | ||
+ | <br><img size=320>http://datsun1200.com/uploads/newbb/thumbs/2531_4c0c2fd4bc094.jpg</img> | ||
= Sources = | = Sources = |
Revision as of 06:51, 12 August 2015
The 71 transmission is Nissan's strongest transmission. It was fitted to L-series six cylinders, SR, KA engines and more. 71 series comes in four different lengths, however a stumpy version is the same length as a Datsun 1200 transmission though obviously much larger around. The stronger 71B replaced the original 71A design of 1969. Finally the even stronger 71C came out in the mid-1980s.
Contents |
Overview
The 71-series has the mainshaft and countershaft 71 mm apart. This larger transmission is thus stronger than the 56-series used in the Datsun 1200, and stronger than the 63-series used in some A14-powered B210s. The C revision boxes (FS5W71C) was used with 3-liter V6 engines, so you know it's strong.
Although the Nissan 90-Series Transmission was rated higher, experience shows that the 71C is practically just a as durable even behind a 300ZX turbo (see Gearbox Strength).
While never offered in an A-series version (it would be overkill even for a supercharged A-engine), the 71 is a good choice for larger Engine Swaps.
71 series is also the size of the Datsun 1200 Automatic Transmission (L3N71B), so a 1200 automatic Tunnel should fit them.
71A 1969-1970 Fairlady 5-speed 71B 1975-1983 5-speed 71C 1984-1998 5-speed 3N71 automatic
Lengths
Long extension housing is the most common.
Overall Transmission Assy Length Long tail #1: 31.5 inches Long tail #2: ? inches Tail #3: ? inches Short tail: 26.3 inches (stumpy)
Stumpy
A stumpy is a gearbox that is 26.3" long overall. It fits in a Datsun 1200 perfectly with shifter in the correct location.
See main article: Stumpy
71 Original
F4W71
Short 4-speed with flanged output * 1969-1972 Datsun 521 with L16 engine
Short 4-speed with sleeve-yoke output * 1972-1973 Datsun 620 with L16 engine
Long 4-speed ?
71A
F4W71A Long housing * 1969-1971 240Z 4-speed
FS5C71A Long housing * Removable bell housing * Datsun Roadster with U20 bell * Datsun Roadster with R16 bell * Datsun 240Z early USA dealer installed with L-series bell
71B
Look for 71B cast into the transmission case.
F4W71B
Short housing * Datsun 720 with Z-series engine (short 26.3")
(1972-1982) long housing. Rear extension of transmission has bolt-on cover plate. * 1972-1973 Datsun 240Z * 1974 Datsun 260Z * 1975-1978 Datsun 280Z * 1979 Datsun 280ZX * Datsun 610 * 1977-1980 Datsun 810 L-series six-cylinder * 1974-1979 Datsun 620 with L18 or L20B engine * 1979 Datsun 720 with L20B engine * 1980-1982 Datsun 720 with Z-series engine (long 31.5")
FS5W71B
Long extension housing * Datsun 200SX (S110) with Z20 engine * Datsun Maxima (810) with LD28 diesel * Nissan 720 with SD diesel * Nissan 200SX with CA18ET engine * Datsun 720 long tail * 1977-80 Datsun 280Z * 1979 280ZX (non-Turbo) * Datsun 810 * Datsun 620
Short extension housing * Datsun 720 stumpy/shorty
Engines L-series (various) Z-series (S110) LD28 diesel (Maxima) SD diesel (Nissan 720) CA18ET (Nissan 200SX)
71C
FS5W71C - The 71C has a different shifter than the 71B and all versions are longer than the 71B. A 71B front housing can be swapped.
NORTH AMERICA 1983- Nissan 300ZX (non-turbo, turbo uses 90-series) 1986-1989 Nissan D21 (Hardbody) with Z-series engine 1989- Nissan D21 (Hardbody) with KA-series engine Pathfinder/Xterra/Frontier with KA-series engines Pathfinder/Xterra/Frontier with VG-series (V6) engines
Engines VG-series (V6) KA-series Z-series
Interchange
Like transmission parts interchange:
* 71A bell housings swap (U20 bell or L-series bell) * 71B 4-speed parts swap to other 71B 4-speeds * 71 5-speed parts swap to other 71 5-speeds * 71B/71C front cases can interchange after some mods
Complete transmission units of the same length interchange. For example, replacing a shorty FS5W71B with a shorty FW471.
L-series and Z-series/KA-series use the same bell patttern -- BUT the L-series is a slant engine. So while the transmissions will physically bolt on, use the Z-/KA front case with the Z-series engines, and the L-series front case with the L-series engines. OR, you can bend the gearshift to the appropriate angle, but you risk transmission oil leaking out as the gearbox will now be installed on a slant.
Swap Notes
Z-series transmission into B210
Sources
Europe
D21
D21 KING CAB EUR 2WD MT KA24, Z20, TD25 FS5W71C 32010-07G63 0586-1087 Z20 32010-56G00 0492-1292 Z20S <> 32010-56G01 32010-56G01 1292-0594 Z20S <> 32010-2S400 32010-25G02 1087-0492 TD25 <> 32010-05G63 32010-56G10 0492-1292 TD25 <> 32010-56G11 32010-56G11 1292-1095 TD25 32010-1S800 1095-
REAR EXTENSION ASSY 32130-05G11 0594- 32130-05G10 0895- <5> 32130-05G11
North America
720
The north america parts catalog lists the following.
WHEELBASE LONG (includes King Cab) REG 2575 mm (101.4") 32010 TRANSMISSION ASSEMBLY 32100 CASE ASSY-TRANSMISSION 32110 COVER ASSY-FRONT 23138 PLATE-ADAPTER 32130 EXTENSION ASSY-REAR * L20B used from introduction 0679-0680 * SD22 Diesel 0679-1082 * SD25 Diesel 1182- * Z22 from 0880-1082 * Z20 from 1182-0784 * Z20 from 0784- * Z24 from 1182-0784 * Z24 from 1183- * Z24 from 0784- * Z24I from 0485- (I = central fuel injection)
L20B 4-speed + 5-speed 0679-1179 Aluminum Front Cover 1279-1082 Aluminum Front Cover 1179-1082 Cast Iron Front Cover
Cast Iron Front Cover L20B later (some) SD25
D21
USA REAR EXTENSION ASSY - F5 32130-05G11 0487- Z24/SD25/KA24E 32130-05G10 1185-0487 Z24/SD25
Tail Housings
EXTENSION ASSY-REAR
ER30 32130-E9911 also C31 HR30 32130-E9912 also C31 with neutral switch
12" * 32130-E9912/32130-E9957 Z24 2WD 0784- (except CAL STD)
16" * 32130-E9801 * 32130-E9802 * 32130-E9407
??" * 32130-E9803 L20B 1279-0680 * 32130-E9408
* 32130-E9311 * 32130-E9321
* 32130-E9302
* 32130-54W10
* 32130-45W10 * 32130-54W10
* 32130-45W02
* 32130-45W01
?? MAIN SHAFT 71C [shifter positioned forward] 32241-95P00/95P01/95P09 <5,7> RB20 GEARBOX 32130-73L00 EXTENSION HOUSING [shifter positioned rearward] 32241-91P00/32241-50F00/32241-V5010/32241-V5270 <7,7> * S13 JAP,USA * Z31 USA
4-speeds
L20B
F4W71B 4-speeed for L20B * 32010-44W05 FED 2WD long + 4WD regular * 32010-45W05 CAL 2WD long + 4WD regular * 32010-B9860 CAL 2WD regular * 32010-B9960 FED 2WD regular
Z22
F4W71B 4-speed for Z22 engine * 32010-05W00 2WD regular * 32010-46W00 4WD [both wheelbase] * 32010-Q4900 Heavy Duty [both wheelbase]
5-speeds
L20B
FS5W71B
0679-0680 * 32010-44W06/32010-44W16 King Cab 4WD FED * 32010-45W06 King Cab 4WD CAL
0679-1179 * 32010-B9910/32010-B9912 King Cab 2WD + non-KC CAL * 32010-B9911 King Cab 2WD + non-KC CAL FED
1279-0680 * 32010-B9912 King Cab 2WD + non-KC CAL * 32010-B9913 King Cab 2WD + non-KC FED
Z-Series
Z20 * 32010-61W01 1182-0784 * 32010-82W01/32010-82W15 0784-
Z22 * 32010-05W10 0780-1082 2WD * 32010-18W00/32010-46W10 4WD
Z24 OPTION FS5W71B with 16" extension housing * 32010-20W16/32010-20W15 King Cab + 2WD 0784-
Z24 * 32010-55W06/32010-55W10 4WD 0183-
Z24 12-inch extension * 32010-80W15/32010-80W16 2WD 0784-
Z24I * 32010-90W00 0485- * 32010-90W15 0485- * 32010-90W16 0485- 4WD
SD Engine
* 32010-V2400/32010-Y8401 SD22 0679-1082 * 32010-19W15 SD25 1182-
Ratios
C = Servo type synchros W = Warner type synchros
1984-1998 gearset FS5W71C e.g: 300ZX USA * 1st: 3.321 * 2nd: 1.902 * 3rd: 1.308 * 4th: 1 * 5th early 0.759 * Reverse: 3.382
1980-1983 gearset mid/close e.g: 280ZX USA * 1st: 3.062 * 2nd: 1.858 * 3rd: 1.308 * 4th: 1 * 5th early 0.773 * 5th late: 0.745 * Reverse: 3.026
1976-1979 gearset wide/ratio e.g: JDM 810 Bluebird * 1st: 3.321 * 2nd: 2.077 * 3rd: 1.308 * 4th: 1 * 5th early 0.864 * 5th late: 0.816 * Reverse: 3.382
Input Drive * 22 teeth main shaft * 31 teeth counter gear * input ratio = 31/22 = 1.409
Overdrive (5th) * 19/31 main/counter * input = 0.864 (810 -7806) * 22/38 main/counter * input = 0.816 (810 7806-)
4th * 1:1 (direct drive)
3rd * 26/28 teeth main/counter * input = 1.308
2nd * 28/19 teeth main/counter * input = 2.077
1st * 33/14 teeth main/counter * input = 3.321
Reverse * 36/15/15 teeth main/counter/reverse * input = -3.382
Input Ratios
28:23 = 1.217 FS571A (Roadsters and early Z, close spreads) 31:22 = 1.409 (most cars) 32:21 = 1.524 (most trucks and heavy cars. This ratio effects a wider spread) 32:18 = 1.778 (Commercials with widest spread for underpowered vehicles)
Input Shaft
S14 5-speed input shaft * O.D.: 1" * Spline: 24 teeth * Pilot Bushing Inside Diameter: 0.626 to .6300" (Length: .689") * Pilot Bushing Outside Diameter: .814 to .815"