The Z/28 package had several significant changes through the
extended production run. Here are the five different versions offered:
1969 RPO Z/28 CHANGES
(These changes were taken from dealer order book revisions
from 1969)
Version A: Dated September 26, 1968

Z/28
Special Performance Package: Model 12437 only. Includes 302" V8 engine,
dual exhaust with deep-tone mufflers, special front and rear suspension, rear
bumper guards, heavy-duty radiator and temperature-controlled fan, quick ratio
steering, 15 x 7 rally wheels, E70 x 15 special white lettered tires, 3.73
ratio axle and special rally stripes on hood and rear deck. Available only when
4-speed trans., power disc brakes are ordered. Positraction rear axle
recommended.
Price 458.15
Note: no tach required
Version B: Dated October 18, 1968

Z/28
Special Performance Package: Model 12437 only. Includes 302" V8 engine
with bright accents; chambered dual exhaust system; Z/28 emblems on grille,
front fender and rear panel; special front and rear suspension; rear bumper
guards; heavy-duty radiator and temperature-controlled fan; quick ratio
steering; 15 x 7 wheels with trim rings; E70 x 15 special white lettered
blackwall tires and special paint stripes on hood and rear deck. Avail. only
when 4-speed transmission, power front or four-wheel disc brakes are ordered.
Positraction rear axle recommended.
Price 458. 15
Note: chambered exhaust part of option. Notice JL-8 (four-wheel discs)
recommended
Version C: Dated January 2, 1969

Z/28
Special Performance Package: Model 12437 only. Includes 302" V8 engine
with bright accents; dual exhausts; Z/28 emblems on grille, front fender and
rear panel; special front and rear suspension; rear bumper guards; heavy-duty
radiator and temperature-controlled fan; quick ratio steering; 15 x 7 wheels
with trim rings; E70 x 15 special white lettered blackwall tires and special
paint stripes on hood and deck. Avail. only when tachometer gauge or special
instrumentation, 4-speed trans., power front or four-wheel disc brakes are
ordered. Positraction rear axle recommended.
Price 473.95
Note: tach now required; no longer has chambered exhaust as a standard feature
Version D: Dated April 1,1969

Z/28
Special Performance Package: Model 12437 only. Includes 302" V8 engine
with bright accents; dual exhausts; Z/28 emblems on grille, front fender and
rear panel; special front and rear suspension; rear bumper guards; heavy-duty
radiator and temperature-controlled fan; quick ratio steering; 15 x 7 wheels
with special center caps and trim rings; E70 x 15 special white lettered
blackwall tires; auxiliary front valance panel and rear deck spoiler plus
special paint stripes on hood and rear deck. Available only when tachometer
gauge or special instrumentation, 4-speed transmission, power front or
four-wheel disc brakes are ordered. Positraction rear axle recommended.
Price 506.60
Note: spoilers now required
Version E: Dated September 18, 1969

Z/28
Special Performance Package: Model 12437 only. Includes 302" V8 engine
with bright accents; dual exhausts with bright tips; Z/28 emblems on grille,
front fender and rear panel; special front and rear suspension; rear bumper
guards; heavy-duty radiator and temperature-controlled fan; quick ratio
steering; 15 x 7 wheels with special center caps and trim rings; E70 x 15
special white lettered blackwall tires; auxiliary front valance panel and rear
deck spoiler plus special paint stripes on hood and rear deck. Available only
when tachometer gauge or special instrumentation, 4-speed transmission, power
front disc brakes are ordered. Positraction rear axle recommended.
Price 522.40
Note: notice chrome tail pipes standard on or about May 19, 1969.
Version F: Dated November 3, 1969

Z/28
Special Performance Package: Model 12437 only. Includes 302" V8 engine with
bright accents; dual exhausts with bright tips; Z/28 emblems on grille, front
fender and rear panel; special front and rear suspension; rear bumper guards;
heavy-duty radiator and temperature-controlled fan; quick ratio steering; 15 x
7 wheels with special center caps and trim rings; E70 x 15 special white
lettered blackwall tires; auxiliary front valance panel and rear deck spoiler
plus special paint stripes on hood and rear deck. Available only when
tachometer gauge or special instrumentation, 4-speed transmission, power front
disc brakes are ordered. Positraction rear axle recommended.
Price 522.40
Note: These are used for comparison. There are many documented cars which do
not fall into these guidelines. Anything could have happened on the assembly line.

Other
changes occurred in the '69 model year. Early '69 Z/28s used a Y55 top post
battery, but Chevy went to a side post Y77 in February. A few months later this
was replaced by the Y89, which used the same bolt size for the positive and
negative terminals.

The
Z/28 got single piston calipers on the disc brakes, as opposed to the four
piston calipers in '67 and '68. You could also order the factory 4 wheel disc
brake systerm, RPO JL8, but there were problems with parts availability during
the year, and there were several stop orders issued, delaying delivery of the
cars.

The
console and guages were the same as used in 1968, but the woodgrain pattern was
different. In 1969 rosewood replaced walnut on all the woodgrain accents.

The
stripes were larger on the rear deck in '69 than on previous years. You could
also order your Z/28 with the stripes deleted.

The
Z/28 became a legend almost from the start. While the new Camaros are wonderful
cars, there is nothing quite like a 1969 Z/28!
source: http://www.holisticpage.com/camaro/camaros/z28.htm
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