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[Datsun 1200 encyclopedia]

Front Suspension Specification

(Difference between revisions)

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Category: Front Axle And Front Suspension

Revision as of 01:48, 25 June 2010
ddgonzal (Talk | contribs)
(->Wheel Alignment)
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Current revision
ddgonzal (Talk | contribs)
(->Coil Spring Specifications)
Line 1: Line 1:
This page is for factory specifications. For modified settings, see [[:Category:Suspension Modifications]]. This page is for factory specifications. For modified settings, see [[:Category:Suspension Modifications]].
- += Wheel Alignment =
-== Wheel Alignment ==+
Camber, Caster and Toe-in Camber, Caster and Toe-in
-The stock settings follow. These are old-fashioned settings, designed for old road standards. For details on modern settings, see [[Wheel alignment]].+See main article: [[Wheel alignment]]
- Sedan & Coupe+= Factory Front Suspsension Specifications =
- Camber: 5° to 2°05'+
- Caster: 20' to 1°50'+
- Toe-in: 4-6mm (0.08 to 0.32 inch)+
- King pin inclination: 7°55'+
- Van+== Coil Spring Specifications ==
- Camber: 45' to 1°45'+North America specification<table class="wiki_table">
- Caster: 1°05' to 2°05'+<tr><th>&nbsp;</th><th valign=top><b>B110</b></th><th
- Toe-in: 5-7mm (0.20 to 0.28 inch) +valign=top><b>B210</b></th><th valign=top><b>B210<br>with/AC</b></th><th valign=top><b>B310 1980-1982</b></th><th valign=top><b>B310 1980-1982<br>w/AC</b></th><th valign=top><b>B310 1980<br>w/AC USA</b> A12A</th></tr>
- King pin inclination: 7°45'+<tr><td>wire diameter</td><td>10mm</td><td>10.5mm</td><td>10.8mm</td><td>10.5mm</td><td>10.8mm</td><td>10.5mm</td></tr>
 +<tr><td>coil diameter</td><td>110mm&nbsp;O.D.&nbsp;<br>100mm&nbsp;I.D.</td><td>100mm</td><td>100mm
 +</td><td>100mm</td><td>100mm</td><td>100mm</td></tr>
 +<tr><td>Free length</td><td>338mm ±10</td><td>1977:&nbsp;375mm&nbsp;<br>1974:&nbsp;353mm</td><td>1977:&nbsp;388mm</td><td>375mm<br>358mm CAN A12A<br>366mm USA A12A</td><td>381mm USA<br>375mm CAN</td><td>375mm</td></tr>
 +<tr><td>Effective Turns</td><td>6.25</td><td>7.5</td><td>8.25</td><td>?</td><td>?</td><td>?</td></tr>
 +<tr><td>Spring constant</td><td>1.6kg/mm<br>(89.6&nbsp;lb/in)</td><td>?</td><td>?</td><td>1.62kg/mm<br>(90.7 lb/in)</td><td>1.65kg/mm<br>(92.4 lb/in)</td><td>1.62kg/mm<br>(90.7 lb/in)</td></tr>
 +</table>
- Van with Heavy Duty Spring+Effective Turns: Since the coils are closed on each end, they contribute less to the spring rate. The Actual Turns are about 1.5 more than effective turns.
- Caster: 40' to 1°40'+
- Steering angle In: 43°+Note that B310 spring is identical to North America B210 spring. The B310 however uses a different upper spring seat.
- Steering angle Out: 36°+
-== Factory Front Suspsension Specifications ==+== 120Y ==
- +[[120Y]] is A12-powered B210. It uses similar suspension to B110, unlike the A14-powered B210.
-== Coil Spring Specifications ==+
-'''NA'' means North America+
-<table border=1 cellspacing=0 cellpadding=2>+
-<tr><td>data</td><td valign=top><b>B110</b></td><td +
-valign=top><b>B210 1977 NA</b></td><td valign=top><b>B210 1977 NA w/AC</b></td><td valign=top><b>B310 1980/82 NA</b></td><td valign=top><b>B310 1980/82 NA w/AC</b></td><td valign=top><b>B310 1980 w/AC USA</b> A12A rectangular headlight</td></tr>+
-<tr><td>Coil spring wire diameter</td><td>10mm</td><td>10.5mm</td><td>10.8mm</td><td+
->10.5mm</td><td>10.8mm</td><td>10.5mm</td></tr>+
-<tr><td>coil outer diameter</td><td>110mm (4.33 in)+
-</td><td>100mm (3.94 in)</td><td>100mm (3.94 in)+
-</td><td>100mm (3.94 in)</td><td>100mm (3.94 in)+
-</td><td>100mm (3.94 in)</td></tr>+
-<tr><td>Free length</td><td>338mm +- 10</td><td>1977: +
- +
-375mm<hr>1974: 352.5mm</td><td>388mm</td><td>375mm<hr>357.5mm Canada +
- +
-A12A<hr>366mm USA A12A rec. headlight model)</td><td>381mm<hr>375mm Canada</td><td>375mm</td></tr>+
-<tr><td>Spring constant</td><td>1.6kg/mm (89.6 lb/in)+
-</td><td>?</td><td>?</td><td>1.62kg/mm (90.7 lb/in)+
-</td><td>1.65kg/mm (92.4 lb/in)</td><td>1.62kg/mm (90.7 lb/in)</td></tr>+
-</table>+
-Kingpin Inclination (non-adjustable)+Spring rate: 90.7 lbs/in.
-* B110: 7+
-= 1974-up B120=+ page FA-16 of FActory Service Manual, released 1976
-[[B120]] pickup:+ Coil Springs
 + Wire Diameter - 10.5 mm (0.413 in)
 + Coil Diameter - 100 mm (3.94 in)
 + Coil Turns - 9.0
 + Coil effective Turns - 7.5
 + Free length - 357.5 mm LH (14.07 in), 346.5 mm RH (13.64 in)
 + Spring Constant - 1.62 KG/MM (90.7 lb/in)
 +
 +== 1976-up B120==
 +[[B120]] pickup from October 1975:
Coil Spring Coil Spring

Current revision

This page is for factory specifications. For modified settings, see Category:Suspension Modifications.

Contents

Wheel Alignment

Camber, Caster and Toe-in

See main article: Wheel alignment

Factory Front Suspsension Specifications

Coil Spring Specifications

North America specification
 B110B210B210
with/AC
B310 1980-1982B310 1980-1982
w/AC
B310 1980
w/AC USA
A12A
wire diameter10mm10.5mm10.8mm10.5mm10.8mm10.5mm
coil diameter110mm O.D. 
100mm I.D.
100mm100mm 100mm100mm100mm
Free length338mm ±101977: 375mm 
1974: 353mm
1977: 388mm375mm
358mm CAN A12A
366mm USA A12A
381mm USA
375mm CAN
375mm
Effective Turns6.257.58.25???
Spring constant1.6kg/mm
(89.6 lb/in)
??1.62kg/mm
(90.7 lb/in)
1.65kg/mm
(92.4 lb/in)
1.62kg/mm
(90.7 lb/in)

Effective Turns: Since the coils are closed on each end, they contribute less to the spring rate. The Actual Turns are about 1.5 more than effective turns.

Note that B310 spring is identical to North America B210 spring. The B310 however uses a different upper spring seat.

120Y

120Y is A12-powered B210. It uses similar suspension to B110, unlike the A14-powered B210.

Spring rate: 90.7 lbs/in.

page FA-16 of FActory Service Manual, released 1976
Coil Springs
Wire Diameter - 10.5 mm (0.413 in)
Coil Diameter - 100 mm (3.94 in)
Coil Turns - 9.0
Coil effective Turns - 7.5
Free length - 357.5 mm LH (14.07 in), 346.5 mm RH (13.64 in)
Spring Constant - 1.62 KG/MM (90.7 lb/in)

1976-up B120

B120 pickup from October 1975:

Coil Spring

  • Wire diameter: 10mm (0.39 in)
  • Coil diameter: 100mm (3.94 in)
  • Loaded (normal load) length: 326mm (12.83 in)
  • Effective turn: 6.2
  • Spring constant: 1.6 kg/mm (90.0 lb/in)

Strut damper

  • Piston Rod diameter: 18mm (0.71 in)
  • Piston diameter: 25mm (0.98 in)
  • Stroke: 164mm (6.46 in)

Damping Force at 0.3m/sec (1.0 ft/sec)

  • Expansion/Rebound: 38-58kg (84-128 lb)
  • Compression: 17-27 kb (37-60 lb)