Check by pinching vacuum hose to carburetor with engine idling. Look at the tenth character of the VIN W = 1998. Vacuum power assisted brakes; includes dual circuit master cylinder. Inspect oil pan drain plug gasket and replace if broken, cracked, or distorted. Add fluid as needed to bring level to mark. WD – Type Designation. There are several online vehicle history companies that provide car buyers the information they need to find branded title vehicle’s and lemons by doing a search of the vehicle’s history by using the VIN. A 350 cubic inch, 190 horsepower engine, 4-speed wide ratio manual transmission, vinyl interior trim, and T-tops were included in the base price. Close access cover fully to prevent the entry of dirt into the distributor. Adjust fast idle screw of Rochester carburetors to obtain recommended fast idle speed. If necessary, adjust rod length by bending rod at offset. Manufacturer: CARDONE INDUSTRIES, INC. An optional hard-top that could be installed in lieu of the convertible top. A – Aug., 1972., B – Sep., 1972., C – Oct., 1972., D – Nov., 1972., E – Dec, 1972., F – Jan., 1973., G – Feb., 1973., H – Mar., 1973., I – Apr., 1973., J – May, 1973., K – June, 1973., L – Jul., 1973, 400 – Interior Trim code. Remove plug and place finger tip inside hole. With automatic transmission in Drive, or manual transmission in neutral, turn low idle screw to obtain low idle speeds of 500 rpm, reconnect electrical connector to solenoid and crack throttle slightly, to extend solenoid plunger. (All big block engines. dampening insulation in strategic areas throughout the car. The base price of the 1973 Chevrolet Corvette Coupe without any optional equipment. Insert a 3/16″ pin through hole to depth of 1/8″, and loosen mounting bolts. Clean rotor and inspect for damage or deterioration. 1-1/4″ to 2″ and 2″ to 2-1/2″ for heavy duty. His fascination with speed and fast cars was first fueled by his grandfather, who would frequently take him to car shows or to the local race track. Withdraw the dipstick, wipe it with a clean rag, replace and withdraw again. Available with optional engines RPO L82 and LS4 only. (Second most common location). engines (capacity of crankcase less filter – refill), 37- Corvette Coupe / 67 – Corvette Convertible, Engine type. Vehicle identification numbers were first used on motor vehicles in 1954; each manufacturer used their own VIN format until 1981 and made the system very confusing. 910 – Classic White. T – Tonawanda, NY. Then turn approximately 600 rpm for automatic transmission models in Drive, or approximately 850 prm for manual transmission models in neutral. The mounts, which actually utilized a rubber mount encased in a steel sleeve, provided additional cushioning without a loss in rigidity – helping Corvette to maintain a lower level of body roll while improving the ride experience for the car’s occupants. By using radial-ply tires, engineers were able to achieve longer tread wear, better wet-weather grip, and added stability when operating the Corvette at speed. While not as notable as the new front end, the 1973 Corvette received a number of other design and safety enhancements that followed the mantra of “form follows function,” (a statement that would become synonymous with the Corvette throughout this and all future generations.) Its subtle revisions and new design elements would serve to enhance its image while catering to a more discriminating group of consumers and enthusiasts alike. Principal members – underbody, front and rear end assemblies, dash panel and hinge pillars are bonded, riveted, or bolted together and to each other. The oil should be just about level with the bottom edge of the hole. UNDER THESE CONDITIONS, THE VEHICLE OPERATOR MAY NOT BE ABLE TO STOP THE CAR, POSSIBLY RESULTING IN A VEHICLE CRASH. Start engine then check ignition dwell. It is the most commonly referenced number in a VIN. The air supply was controlled, according to engine operating conditions, by a solenoid-operated valve that was built into the hood. Aim timing light at timing tab. Adjust spark plug gaps to .035 in. In addition to the items listed above, it is also recommended that the following items are inspected every 300 miles or 2 weeks, whichever comes first: Our newsletter delivers all the Corvette news, rumors, deals and events directly to you each week. Raise car on lift, clean dirt and grease from area around the filler plug. 1973 Corvette Manual Transmission/Gear Ratios, 1973 Corvette Wheels, Suspension & Brakes, 1973 Corvette Vehicle Identification Numbers (VIN), 1973 Corvette Vehicle Serial Number Plate, 1973 Corvette Body Number Trim & Point Plate, 1973 Corvette Engine Identification & Engine Number, 1973 Corvette Transmission Identification & Transmission Number. *. Check clutch action by holding pedal 1/2″ from floor and move shift lever between first and reverse several times, with engine running. Press all wires firmly into cap towers. On engines with closed element air cleaners, inspect crankcase ventilation filter and replace if necessary. The mark made by the oil on the lower end of the dipstick will indicate the oil level. To reduce road vibration in the vehicle, rubber mounts with steel sleeves were added to the chassis. 37 ft. (outside front), 39 ft. (outside front), Hydraulic; pump powered cylinder assisted linkage, 4.0 for 350ci. ), V – Flint, MI. Do not attempt to remove all roughness nor dress the point surfaces down smooth. Required fields are marked *, By using this form you agree with the storage and handling of your data by this website. Proper positioning of spark plug wires in supports is important to prevent cross-firing. Here are a few of the most common Country of origin VIN Codes: You can tell the manufacturer of a vehicle by looking at the second digit of the VIN. If idling smooths out, the valve should be removed for cleaning or replacement if something appears to be broken. Disengage the snap lock and position the carburetor to wide open throttle. Here is a list of a few of the most common and discontinued manufacturers. Semi-reversible gear with ball-nut driven by recirculating anti-friction bearings, energy-absorbing steering column, steering damper attached to relay rod; two position steering knuckle arm attachment for street and fast ratio steering. (See Figure 1 below. Walk away from the dealership knowing you received a good deal, not hoping you did. Remove plug and place finger tip inside hole. Check the distributor centrifugal advance mechanisms by turning the distributor rotor in a clockwise direction as far as possible, then releasing the rotor to see if the springs return it to its retarded position. Slowly accelerate engine to 1500 rpm and note dwell reading. If one or more cylinders reads low or uneven, inject about a tablespoon of engine oil on top of pistons in low reading cylinders (through spark plug port.) Notwithstanding Chevrolet’s decision to discontinue the Callaway line as part of Corvette’s RPO (available options package), Reeves Callaway introduced a Corvette conversion kit of his own for the 1991 model year. Disconnect choke rod at choke lever. Hood is plastic with bonded plastic reinforcement. If the battery posts or cable terminals are corroded, the cables should be cleaned separately with a soda solution and wire brush. Have the vehicle inspected by a certified mechanic. Check and record compression of each cylinder. Knowing the equipment and options on a car can be a key factor in your decision making, so I wish every automaker had an easy decoder like this independent site for Porsche models. 718 Forum - Porsche 718 Boxster Cayman discussion, how-to guides, and technical help. Crank engine through at least four compression strokes to obtain highest possible reading. Check the brake fluid regularly, for as the brake pads wear the level will drop rapidly. A larger battery with added cranking power and capacity. Remove drain pan. 400 – Black (Vinyl), 910 – Exterior Color Code. The “O” marking is TDC (Top Dead Center) and the BTDC settings fall on the “A” (advance) side of the “O”. If shift is not smooth adjust clutch. Add oil as needed, using a plastic syringe. Carburetors and distributors for AIR engines are made to be used with the system and should not be replaced with components intended for use with engines that do not have the system. The tenth number of a Vehicle ID Number is used to describe the year the vehicle was manufactured. A vehicle identification number, VIN for short, is a distinctive serial number used by automotive manufacturers to identify each individual motor vehicle. Table of ContentsBackground of 1964 1/2 MustangsBackground of 1965 MustangsThe GT PackageProduction NumbersSpecificationsVIN Decoder & NumbersEngine informationOptions and PricingExterior Paint Colors (Late 1965)Exterior Paint Colors (Late 1965) 1965 Ford Mustang – Specs, VIN, Options, Performance, Production Stats & More Background of 1964 1/2 Mustangs Mustangs … Look at the third through the eighth digits of the VIN GCG165 = Manufacturer Specifics. The NHTSA required any on-the-road motor vehicle to be sold, must have the standard 17 digit vehicle identification number. ), The design was considered striking and more sophisticated by many Corvette enthusiasts than those seen on the earlier. To check the year of a vehicle by the vehicle identification number view my vehicle ID by year chart. With the car standing level, clean dirt and grease from area around filler plug. Use only a few strokes of a clean, fine-cut contact file. Download this 1973 Corvette Dealers Sales Brochure for a quick look at the features of the car. Turn idle mixture screw in (leaner mixture) until engine speed drops 20 rpm, then turn out 1/4 turn. Factory installed power driver and passenger windows. To increase side impact protection, steel beams were added to the doors on the 1973 model Corvette. Look at the eleventh character of the VIN A = ? Adjust swivel on end of rod if necessary. If in doubt, it is better to have a bit too much oil than too little. Additionally, a new, sound-dampening pad was installed under the Corvette’s hood. The air pump is operating satisfactorily when the air flow from it increases as engine speed increases. Inside the Corvette’s doors, the heavy fluted steel beams were installed, extending from the door hinges to the lock plates. These VIN digits can also describe some or more of the following: Negotiate deals - Insider tips for car buying. Standard size tires with a special 3/8″  wide white sidewall stripes. 0127 – Date Code. Although only 4 sets of wheels were ever recorded as being sold to consumers during the time of vehicle production, it is believed that Chevrolet manufactured as many as 800 sets of these unique aluminum wheels. The air pump is a two-vane pump which compresses fresh filtered air and injects it into the exhaust manifold. The centrifugal filter is replaced by first removing the drive belt and pump pulley; then pulling filter off with pliers. The vinyl covering provided a faux convertible top appearance even when the hardtop was mounted on the car. Do not overtighten filter. Given the changes in the design, and despite the steadily decreasing power of the engines being offered in all versions of the Corvette, the sales numbers for the 1973 model year actually improved over previous years. When changing oil filter, add one additional quart. By continuing to use this site you agree to these cookies. An optional rear window forced air defogger. CKZ: 350 CUBIC INCH, 190 HORSEPOWER, MANUAL, ROCHESTER Q-jet #7043200: 454 CUBIC INCH, 275HP, AUTOMATIC TRANSMISSION, 1100544: 350, 454 CUBIC INCH, AIR CONDITIOING, AUG., 1972: 401138, DEC., 1972: 410679, APR., 1973: 421933, SEP.. 1972: 403539, JAN., 1973: 413600, MAY, 1973: 428892, OCT., 1972: 406054, FEB., 1973: 416301, JUNE., 1973: 431731, NOV., 1972: 408696, MAR., 1973: 419253, JULY, 1973: 434464, Single Dry Disk Centrifugal (Dual Dry Disk for LT1), .750 with 350ci engine, .9375 with 454ci engine, Delco Moraine, vacuum power unit; integral, GR70 x 15 — Blackwall Steel Belted Radial, GR70 x 15 — White Stripe Steel Belted Radial, GR70 x 15 — White Letter Steel Belted Radial. It is the most commonly referenced number in a VIN. Replace cap where necessary. All adjustments are made with the engine at normal operating temperature. S – Assembly Plant Designation. After cleaning and before installing clamps, apply a thin coating of a petrolatum to the posts and cable clamps to help slow corrosion. The Telescopic Steering Column changes the drivers distance from the steering wheel by literally telescoping the steering wheel closer to or further away from the vehicle operator. With slow idle speed correctly adjusted, fully open choke and make sure fast idle cam follower is off steps of cam. Eight body-mounting points. The 1991 Twin-Turbo Callaway Speedster Corvette Convertible. The oil should be just about level with the bottom edge of the hole. Below I’ve broken down each character and given you a brief description of what each one means. The system consists of: An air pump, diverter valve, check valve(s), AIR pipe assemblies and connecting hoses and fittings. ), Make: CHEVROLET Optional interior trim upgrade that included a number of custom modifications to the base interior. Continue until proper play is obtained, then securely tighten top nut and replace spring. Additionally, the new radial-ply tires had lower lateral-G figures on the skidpad, and were rated to operate a maximum speed of just 120 miles per hour. Where prematurely burned or badly pitted points are encountered, the ignition system and engine should be checked to determine the cause of trouble so that it can be eliminated. Learn how your comment data is processed. Still another performance enhancement that was included (though not Federally mandated) was the introduction of standard radial-ply tires. The A.I.R. Whenever the engine is cranked remotely at the starter, with a jumper cable or other means, the distributor primary lead must be disconnected from the negative post on the coil and the ignition switch must be in the “ON” position. Potential Number of Units Affected: 15,899. Other terms and verbiage of VIN are: The vehicle identification number is like the fingerprint of a vehicle, unique to the individual car, it can tell you a lot about the vehicle’s history. Up front, the problem-prone pop-up wiper panel was replaced by a single rear-hood extension. If contact points have been in service, they should be cleaned with a point file before adjusting with a feeler gauge. In college, Scott studied automotive technologies, and would spend his formative years working for a Chevy dealership - where he developed an obsession with the Corvette - an obsession that he is still passionate about today. The pads should be replaced when the friction material gets down to 1/16″. Month and Day. Normally found mounted on the driver-side dashboard by the windshield. If compression comes up but does not necessarily reach normal, rings are worn. Disconnect electrical connector at idle stop solenoid. Check fluid level with engine idling, transmission in neutral and engine at normal operating temperature. Look at the tenth character of the VIN W = 1998. Your email address will not be published. A standard/stock dealer installed Corvette radio. File the center electrode flat. Remove the air cleaner and check to see that choke valve and rod more freely. The file should not be used on other metals and should not be allowed to become greasy or dirty. The time or mileage intervals indicated on this website are intended as a guide for establishing regular maintenance and lubrication periods. All engines are stamped on the top front of the right-hand bank of cylinder and case. The world was once more growing up, and with it, the new Corvette was maturing and becoming more civilized. With this in mind I am unable to keep a current list of these codes. On engines with open element air cleaners, remove flame arrestor and wash in solvent then dry with compressed air. This is the most common character used in a VIN, the 10th character from the left will tell you what year the vehicle is. Adjust this stopscrew for idle speed of 500 rpm. The rear window in the 1973 Corvette was fixed and no longer removable. Unless the condition causing point burning or pitting is corrected, new points will provide no better service than the old points. Disconnect lead at idle stop solenoid (throttle level will rest against regular stopscrew.) The lifting windshield wiper panel was deleted from the 1973 Corvette, but a new hood with rear cold air induction was introduced. The M40 Turbo Hydra-Matic Automatic Transmission was a no-cost option with the base 350 cubic inch, 190 horsepower engine, but cost an additional $97 when ordered with the 454 cubic inch, 275 horsepower LS4 engine. Elsewhere, engine noise was reduced by adding extra sound. The Turbo Hydra-Matic Automatic Transmission consisted of a 3-element hydraulic torque converter and compound planetary gear set. On the inside of body panels, engine, heads, frame, etc. These online sites will provide you with free, no-obligation price quotes and the discounts you receive will give you confidence on your next used car purchase. Inspect all hose connections. Stiffer suspension/brake package for more rugged driving conditions. Refill Capacity: Powerglide – 2 quarts, Turbo Hydra-Matic – 7-1/2 quarts.
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