Classic Camaro Parts - 1967 - 1969 Camaro Emission Systems - Steves Camaro Parts San Bruno - 650-873-1890

Camaro Emission Systems

1969 System

Three emission control systems are found on 1967 through 1969 Camaros:

* The Air Injector Reactor (AIR) system pumped air into the exhaust manifold(s) to help complete the combustion process. The AIR system consisted of the air injection pump (aka smog pump), a fuel mixture control valve (1967) or an air diverter valve (1968-9), check valves, air manifold assembly, and air injection tubes (one per cylinder).
* The Controlled Combustion System (CCS) was introduced in 1968 and was used on cars that did not receive the AIR system. CCS improved combustion efficiency via recalibrated carburetor and distributor settings and higher operating temperatures (compared to 1967). The higher operating temperatures were accomplished by using a 195°F coolant thermostat (instead of 180°F) and the use of a thermostatically controlled air cleaner (ThermAC). The ThermAC system was designed to warm intake air to 100°F when underhood temperatures were less than 100°F. It consisted of a damper door mounted on the snorkel of the air cleaner which directed warm air from a heat stove on the exhaust manifold into the air cleaner.
* The Positive Crankcase Ventilation (PCV) system utilized manifold vacuum to draw crankcase vapors into the engine to be burned. Filtered air was drawn through the engine, through the PCV valve, and into the intake manifold.

General Application

In 1967 (as in 1966), emissions equipment was required only on cars sold in California. The California cars were fitted with an AIR system (Regular Production Option (RPO) K19), and the PCV system (RPO K24). All engines equipped with K19 had unique engine codes due to the required holes in the exhaust manifold(s). Also, the L26 (230 ci L6) engines with K19 used a different distributor and the L30 (327 / 275hp) engines with K19 had a different initial timing. Note that smog equipment was not required on cars built in California but intended for sale in other states.

In 1968 and 1969, the California and federal emissions requirements were the same and all cars were built to the same 50-state standard. The AIR system was installed on all L6 cars with manual transmissions, all small blocks with manual transmissions, and all Camaros with big blocks. (Chevelles and full-size cars with the 396/325hp engine and TH400 transmission were the only 68-69 big block cars to not have smog pumps.) Only the automatic L6 and automatic small block Camaros did not have smog pumps, instead they had the simpler Controlled Combustion System. Generally speaking, an automatic car required less aggressive emission control than a manual transmission car because the engine load (and carburetor fuel metering consistency) was more stable and predictable.

In 1968, vehicles exported to Canada and other countries did not require the AIR system. RPO KD1 was used to delete the system (if it would have been so equipped otherwise) and 1/4"-18 NPSF straight pipe thread plugs were installed in the manifolds. It is unknown if a credit was issued on the Canadian window stickers for this delete. The Controlled Combustion System was still installed on the exported L6 automatic and small block automatic cars.

In 1969, Canadian cars used the same emission controls as U.S. cars.

PCV became standard on all Chevrolets in 1968 and is still used today on all cars.

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Classic Camaro Parts - 1967 - 1969 Camaro Parts - Camaro Indy Pace Car Information - Steves Camaro Parts San Bruno - 650-873-1890

The Similarities And Differences Between The Z28 And Z11 Indy Pace Car

 

The Z11 was only offered in a convertible and the Z28 was only offered in a hardtop. The only available color scheme for the Z11 was Dover White paint (50), Deluxe Orange Hounds tooth interior (720), Hugger Orange Z28 stripes, Hugger Orange pin striping, white convertible top (A), and optional Pace Car door decals. The Z28 came with any paint/interior combination offered. Engine options for the Z11 were the 396ci big block with optional horse power ratings, or 300 hp 350ci small block, while the Z28 was only available with a high performance 302ci small block. The Z28 came with a thermostatically controlled 772 fan clutch, and the Z11 had it standard on A/C models. A/C was an option on the Z11, but could not be ordered on the Z28.

On the Z11 transmission options for the big block were Muncie 4 speeds, or TH400 auto. Muncie 4 speeds or TH350 auto trans were options behind the 350ci. Only Muncie 4 speed transmissions were available on the Z28. No automatics were available for the Z28. The Z28 and Z11 both came with a 12 bolt rear. However, the Z11 had a number of different gear ratios, both posi and non-posi to choose from. Where the Z28 came with either a 373 or 410 posi. The Z11 and Z28 were both equipped with standard dual exhaust. The Z11 came with 10 to 1 compression while the Z28 is 11 to 1. The Z11 has a hydraulic camshaft while the Z28 utilizes a .030 .030 solid lifter bump stick, except on the L-78 375hp 396, it came with a solid lifter cam and 11 to 1 compression. The Z11 and Z28 both came with J52 power front disc brakes utilizing the 9204 power brake booster and 309 master cylinder. The Z11 used standard pullies while the Z28 utilized deep groove pullies because of the high RPMs the 302 produced. The Z11 came standard with 14 inch YJ ralley wheels, while the Z28 came with 15 inch YH rallies. The ZL2 Special Ducted Hood, front and rear spoilers were standard equipment on the Z11, while they were options for the Z28. Later in the production year, spoilers became standard on the Z28. All Z11 Pace Cars were equipped with Z22 and Z27 RS/SS options while the Z28 could be purchased with the Z22 RS option. Remember, all RS models come standard with headlight washers.  All the Indy Pace Cars I have seen personally have the 3932388 small block, although Pace Cars also came with 618 and 010 4 bolt main blocks. The 388 is unusual as it has the casting date on the back of the block, next to the block casting number, unlike the 618 and 010 blocks that have the date cast on the rear passenger side of the block. I have yet to see a real, documented big block car. All the big block cars I've seen were conversions passed off as original cars. The small blocks come with 441 heads sporting 1.94 intake valves. Small block Pace Cars came with a cast iron intake and Q-jet (7029202) carb utilizing a single 3/8 inch fuel line with 1/4 inch return line and a dual fuel filter system. The main filter is located just above the water pump while the secondary filter is located inside the carb at the fuel inlet nut. The Z28 came with an aluminum intake (472) and Holley 4053 DZ dual feed 780cfm carb fed by a single 3/8 inch line with a Y-block to feed each float bowl. All Z28s had AIR smog system while only the 4 speed Pace Cars were equipped with AIR. Cocktail Shakers (dampers) were installed in all four corners of all Camaro convertibles to help stiffen the body as well as a plate that was bolted to the bottom of the car in the center. Pace Cars with power convertible tops had an inline circuit breaker to protect the wiring. The Z11 had white rocker panels unlike the standard RS Camaros that had black rockers.

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Classic Camaro Parts - 1967 - 1969 Camaro Parts - Camaro Z11 Indy Pace Car - Steves Camaro Parts San Bruno - 650-873-1890

 In 1969, the Camaro was again, chosen to pace the Indy 500. There were two Z11 Pace Car Convertibles used for the race and were outfitted with special 375hp 396 big block engines backed by a TH400 transmissions, 331 12 bolt posi rear axles, rear disc brakes (not the same as the JL8 option), and the 14 inch ralleys were replaced with 15 inch ralleys.

On February 4, 1969, the RPO Z11 Indy Pace Car was born and available for purchase from Chevrolet to the public

There were also 43 Festival Pace Cars used by Festival Committee members and Speedway Officials associated with the race. There were an additional 80 Pace Cars allocated for the press and other members of the media. These cars were 300hp 350 small block engines backed by a TH350 transmission. The actual Festival Cars were identified by a numbered decal placed on the windshield behind the rear view mirror. Chevrolet produced 3675 Indy Pace Car Replicas during production.

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Classic Camaro Parts - 1967 - 1969 Camaro Parts - Featured Camaros - Steves Camaro Parts San Bruno - 650-873-1890

Kevin's very nice 1969 RS SS





Joe's 1967 RS



Tait's 1967 Camaro RS

No Other Camaro Supplier in the Business Comes Close to Our Selection.  We have been serving the Camaro Community since 1976 and Supplying Camaro Parts since 1981.

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Classic Camaro Parts - 1967 - 1969 Camaro Parts - Our Warehouse - Steves Camaro Parts San Bruno - 650-873-1890

Were the Biggest Little Camaro Parts retailer in the USA! with over 4000+ different parts in stock and multiples of each part!! that's over 20,000+ parts HERE!
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Classic Camaro Parts - 1967 - 1969 Camaro Parts - 1967-1969 Camaro Paint Codes - Steves Camaro Parts San Bruno - 650-873-1890

1967 CC   Ermine White 11.5 % 1967 AA   Tuxedo Black 4.4 % 1967 DD   Nantucket Blue 3.8 % 1967 EE   Deepwater Blue 2.6 % 1967 FF   Marina Blue 13.3 % 1967 GG   Granada Gold 11.1 % 1967 HH   Mountain Green 3.6 % 1967 KK   Emerald Turquoise 3.4 % 1967 LL   Tahoe Turquoise 4.6 % 1967 MM   Royal Plum 3.4% 1967 NN   Madeira Maroon 3.8 % 1967 RR   Bolero Red 15.0 % 1967 SS   Sierra Fawn 2.2 % 1967 TT   Capri Cream 4.2 % 1967 YY   Butternut Yellow 12.5 % 1967 OO   Special Paint 0.8 %

1968 AA   Tuxedo Black 2.0 % 1968 CC   Ermine White 8.7 % 1968 DD   Grotto Blue 5.9 % 1968 EE   Fathom Blue 0.9 % 1968 FF   Island Teal 1.7 % 1968 GG   Ash Gold 8.8 % 1968 HH   Grecian Green 2.6 % 1968 JJ   Rallye Green 3.8 % 1968 KK   Tripoli Turquoise 3.9 % 1968 LL   Teal Blue 2.3 % 1968 NN   Cordovan Maroon 3.5 % 1968 OO   Corvette Bronze 6.9 % 1968 PP   Seafrost Green 4.0 % 1968 RR   Matador Red 11.8 % 1968 TT   Palomino Ivory 0.6 % 1968 UU   LeMans Blue 10.7 % 1968 VV   Sequoia Green 2.3 % 1968 YY   Butternut Yellow 7.7 % 1968 ZZ   British Green 9.7 % 1968 - -   Special paint 2.2 %

1969 10   Tuxedo Black 1.7 % 1969 40   Butternut Yellow 0.8 % 1969 50   Dover White 7.5 % 1969 51   Dusk Blue 4.4 % 1969 52   Garnet Red 7.0 % 1969 53   Glacier Blue 4.2 % 1969 55   Azure Turquoise 2.2 % 1969 57   Fathom Green 11.1 % 1969 59   Frost Green 7.2 % 1969 61   Burnished Brown 2.2 % 1969 63   Champagne 0.5 % 1969 65   Olympic Gold 4.3 % 1969 67   Burgundy 2.1 % 1969 69   Cortez Silver 7.1 % 1969 71   LeMans Blue 12.0 % 1969 72   Hugger Orange 12.1 % 1969 76   Daytona Yellow 7.1 % 1969 79   Rallye Green 5.4 % 1969 - -   Special paint 1.2 %

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