1978 Z28 Suspension & Chassis Component Information

This file is a mess, but I'm trying to consolidate the spring info, the suspension info, and the yearly info into a more readable, manageable and informative package. It'll also make proof-reading and catching screwups and obvious conflicts easier.

Front Suspension: Spring rates 365 lb./in. Stabilizer 1.2 inch. Identical to and unchanged from 1977.
Rear Suspension: Spring rate 127 lb./in. Rear Stabilizer .55 inch. Identical and unchanged since 1977.
Steering: Power assist, straight 13.02:1 overall. Identical to 1977.

Steering - Gear, valving & related components
Year   Part Number   Description
1977   7826113   Valve (HD susp & PS)
1978   7826116   Valve (exc HD susp, 605 gear)

Sway bars
Year  Part Number  Description
1976-81 481471  (Camaro w/HD susp, exc Z28) rear 0.562"
1977-81 356534  (Camaro w/Z28) front 31.75mm
1978-81 356530  (Camaro exc Z28 front 25.400mm)
1978-81 3983084  (Camaro w/HD susp, Z28) Rear 0.625")

1978 Camaro Spring Charts

ALL EXCEPT Z28

Front GAWRF Range

Rear GAWRR Range
FR78-14 Tire E78-14 Tire Part #
over 1101    
1047-1101 over 1063  
991-1046 1009-1063 344537
964-990 981-1008 3996365
0-963 926-980 3996364
  0-925 3996362
FR78-14 E78-14 Part #
over 906 over 906 493689
846-906 871-906 480881
0-845 0-870 480880

Z28

Front GAWRF Range

Rear GAWRR Range
GR70-15 P225-70/15 Part #
over 1022 over 1022 3988112
954-1022 954-1022 3988111
0-953 0-953 334488
GR70-15 P225-70/15 Part #
All All 481132

Spring Details
3996365
480881

Summary/Conclusions/Observations
Last updated: 8/12/1998
Author: MadMike Maciolek

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