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'68 AMA Specifications - Steering

AMA Specifications-Passenger Car
--- Steering ---



MODEL Firebird Firebird
Sprint
Firebird
350
Firebird
H.O.
Firebird
400
Steering
Manual (std., opt., N.A.) Standard
Power (std., opt., N.A.) Optional
Adjustable
steering wheel
(tilt, swing, other)
Type and
description
Tilting Wheel - Adjusts Vertically - Seven Positions
(std., opt., N.A.) Optional
Wheel Diameter Manual 15.25 x 16.0
Power 15.25 x 16.0
Turning
diameter
(feet)
Outside
front
Wall to wall (l. & r.) 40.8
Curb to curb (l. & r.) 38.5
Inside
rear
Wall to wall (l. & r.) 22.5
Curb to curb (l. & r.) 23.0
Outside whl. angle with inside whl. at 20°  
Manual Gear Type Recirculating Ball Bearing
Make Saginaw
Ratios Gear 24:1 (a)
Overall 26.2:1 (a)
No. wheel turns 4.7 - Lock to Lock
Power Type (coaxial, linkage, etc.) Coaxial
Make Saginaw
Gear Type Recirculating Ball Bearing
Ratios Gear 17.5:1 (c) 16.0-12.2:1
Overall 19.2:1 (c) 16.0-12.2:1
Pump driven by Belt from Crankshaft
No. wheel turns 4.7 - Lock to Lock
Linkage Type Link Parallelogram
Location (front or rear
of wheels, other)
Rear of Wheels
Drag link (trans. or longit.) Transverse Strg. Rod Connects Tie Rods, Pitman & Idler Arms
Tie rods (one or two) Two
Steering
Axis
Inclination at camber (deg.) 8 ¼ to 9 ¼
Bearings
(type)
Upper Ball Joint
Lower Ball Joint
Thrust Spring Load Taken By Lower Ball Joint
Whl. Align.
(range at
curb wt. &
preferred)
Caster (deg.) 0 to 1° Pos.
Camber (deg.) 1/4° Neg. to 3/4° Pos.
Toe-in (outside track inches) 1/8 to 1/4
Steering spindle & joint type Reverse Elliott - Ball Joint
Wheel
Spindle
Diameter Inner bearing 1.249
Outer bearing 0.749
Thread size 3/4 - 20
Bearing type Taper Roller
NOTES:
(a) 28:1 with combined V-8 engine and air conditioning (5.4 turns lock to lock)
(b) 30.9:1 with combined V-8 engine and air conditioning
(c) Variable ratio power gear (as shown for Firebird 400) available as second option after March 1. 1968.



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This file last modified Sunday, 29-Jun-2008 11:47:45 PDT