Vin identification chevrolet dealer,auto salvage ontario california,check my car mot free - New On 2016

All 1967 through 1972 Chevrolet 10 thruough 30 series trucks are identified by this model designation system.
See Figures 1, 2, 3 and 4The Vehicle Identification Number (VIN) is stamped on a plate located on the top left hand side (driver's side) of the instrument panel so that it can be seen by looking through the windshield.
Note that the '68-'69 (and a few rare '70 472s) use a block that looks identical at first glance, but bears different casting numbers (ending in 6238), has smaller oil passages and does not have clearance for a 500 crank (rod bolt notches in bottom of cylinder bores).
One easy way to identify a 425 or 368 vs a 472 or 500 Cadillac engine block is to look at the rear of the block. Another way to identify a 425 or 368 vs a 472 or 500 Cadillac engine block is by the shape of the timing cover or the opening it covers.
The 425 and 368 crank is the same stroke as the 472 crank, and is physically interchangeable, but this is not recommended due to balancing and weakness issues. The last 3 digits of the casting number can always be found on the bottom side of the head, in a recess under one fo the center exhaust ports. The third place the casting number can be found is on the top of the left (driver's fromt, passenger's rear) exhaust port.
When ported and equipped with oversized valves, considering the same level of port work, the 76cc heads outflow the 120cc heads, making them a better choice for maximum performance. The un-ported aluminum heads outflow most ported iron heads, with the exception of our best iron heads.
There is some variation in the first few digits of the casting numbers for various reasons. Via email, text message, or notification as you wait on our site.Ask follow up questions if you need to.
Engines For most Chevrolets, the partial VIN was stamped on the engine pad near the engine assembly code.On 1967 Camaros, generally only the Z28 and SS engines had the partial VIN's stamped.
Every Corvette owner knows his or her car has a vehicle identification number (VIN) that's intended to help prevent theft and aid in the recovery of the car if stolen. Today's VINs serve a much wider purpose than theft prevention, recovery, and public safety. In addition to these regulatory and safety functions, VINs allow Corvette owners to obtain certain historical information, depending on the year of the vehicle.
From 1953 through 1964, the Corvette's VIN provided data in a 10-digit sequence, showing model, model year, assembly plant, and serial number, respectively. On most Ford engines the #1 cylinder is the first cylinder at the front of the engine on the passenger side (right side) of a rear-wheel drive car or truck.
The cylinders are numbered in sequence starting with the #1 cylinder going towards the back of the engine on each cylinder bank (see illustrations below).
The correct firing order is very important because mixing up the spark plug wires may prevent the engine from starting, cause it to backfire and run very poorly if at all. NOTE: On engines where two adjacent spark plugs fire right after each other, it is important to make sure the spark plug wires are not routed right next to each other for a long distance.
On engines with distributorless ignition systems or coil-on-plug ignition systems, the firing order is controlled by the ignition module or engine computer. Since many Cadillac 472 and 500 engines use the same block, and the later (425 and 368) engines look similar, as well, you'll have often to have a look deeper than the block casting numbers to finally determine which species of torque animal you have there. The block casting number is found at the rear of the Cadillac engine, between the intake manifold and transmission bell housing, right next to the oil pressure sending unit. The 2 smaller engines have a 'box' shape cast in near the oil pressure port, which makes identifying them at a glance fairly easy. The later blocks have a pronounced extra cutout toward the passenger's side of the opening, and extra material on the timing cover to cover it.


The 425 and 368 crankshafts can usually be identified by a scalloped shape to the flywheel mounting flange. The full 7 digit casting number can be found on the top of the head, between the rocker mounting points. This recess does not get machined when you surface the head, and hangs out over the lifter valley, so you can read it with a mirror after pulling the intake manifold, if it's not covered with crud. The aluminum heads also have much more room for porting than the best iron heads, so they can be ported to flow much better. While all '70-'76 Eldorados and all '75-'76 cars (except the Seville) came from the factory with a 500, it is generally very difficult to tell if the engine is original on a 30+ year old vehicle.
If you don't think you see your casting number, start at the end of the number and work backwards. 124379N506070 where 1 = Chevrolet 2 = Camaro e = 3 for 6-cylinder engine, or 4 for 8-cylinder engine bb = 37 for coupe body, or 67 for convertible body Y = 7 for 1967 model, 8 for 1968 model, or 9 for 1969 model P = N for Norwood, OH assembly plant, or L for Los Angeles, CA assembly plant xxxxxx = vehicle serial number sequence At each plant, the vehicle serial number started the year at the following number: 100001 for 1967 models 300001 for 1968 models 500001 for 1969 modelson the VIN plate and cowl tag.
In 1967, this code consists of the sixth through the thirteen characters of the full VIN, e.g. But that's not the only reason behind the original car-ID system that was introduced in the U.S.
This '74 piston has no swirl chamber, no valve reliefs, not even the 8cc depression of the '74-'76 500 piston (round dish, approx. Be carefull breaking loose the carbon buildup if you plan to use the engine without rebuilding it - that carbon grit you break loose will wreak havoc in the engine (bearings, etc).
This is another quick way to ID a core as a 425 (head number 423) when junkyard hunting, etc. There is no off the shelf high compression piston (over 9:1), in production at this time, for the 120cc heads. The power limit on the ported iron heads is well beyond what most bracket engines are built to make. Mid'70-'73 engines do not have the heat passage around the carb, and have a round choke well with what looks like a freeze plug in the bottom of it.
7N123456.For 1968 and on, the drivetrain partial VIN's became a federal requirement and all engines were stamped with the partial VIN.
Entities that today utilize VINs in data systems include NHTSA, state motor-vehicle departments, law-enforcement agencies, insurance companies, organizations involved in motor vehicle research, and manufacturers," says the agency. The new alphanumeric sequence included engine type—not just whether the engine was a V-8—and assigned a specific letter (later, single-digit numbers were used, too) to every RPO engine available in the Corvette during the model year. The Dish is shaped something like a figure 8 or 'squashed peanut', and is sometimes described as 2 overlapping round dishes.
The '250 and '902 heads are equipped with built in smog rails, while the '950 heads were not. As for flow, the 76cc and 120cc heads flow within a few percent (all 5 castings) with stock valves and no port work. Of course, it is worth noting that the fastest Cadillac powered vehicles out there have our ported iron heads, not aluminum heads, because there is a lot more to going fast than just airflow. In most cases, if they are the same year, they will be absolutely identical except for the crankshaft and pistons. While we provide the 'official' full casting numbers in this chart, we only use the last 2 digits to ID cranks, the last 3 digits to ID heads, and the last 4 digits to ID blocks, and that method is always accurate.
This change made it possible to quickly identify a Corvette's original engine option by looking at the alphanumeric character in the fifth position on the VIN and decoding it.In 1976, the Motor Vehicle Manufacturers Association petitioned NHTSA to adopt a 17-digit industry-standard VIN, which the agency did in 1981. Note the ID picture is of the current replacement piston, which has valve reliefs not present on the original.


Most custom forged pistons have the name of the piston manufacturer on the inside of the skirt, as well. Not all '250 and '902 heads were drilled for smog rails, if they were installed on a non-smog '70 car, even though the extra material is in the casting. The new system added even more data to the metal plate, including country of origin, manufacturer, and restraint system installed. Note that while electric chokes and HEI distributors were '74-up only from the factory, it is not un-common to find them retrofitted to early engines.
The alternator was moved to the passenger side in 1969 which covered the engine stamp pad and caused the VIN stamp to be relocated by the oil filter. Though later revised for uniformity across all domestic and import vehicle lines—and to include a scannable bar code—it's still in use today and is scheduled to remain in use for the next 30 years.GM keeps VIN Data cards from model year '72 through '11 in a database system, as a way of helping dealers' service departments decode VIN-plate data. The Norwood plant stamped the VIN on the engine pad on early cars and moved the stamp by the oil filter in the December 68 timeframe. For example, in some years GM calls the model-year code "Year Designation," while in others it calls it "Last Digit of Model Year." We've left the data-field-naming anomalies exactly as they appear on the official cards.
This date needs to precede the vehicle assembly date.All transmissions, except for the Borg-Warner H-D manual 3-speed and the TH400, follow the same transmission code format. Note that the format types shown below only apply to transmissions intended for vehicle assembly plant use. The front of the car is toward photo right.Muncie 4-speed Transmission Code Location Muncie 4-speed transmissions were stamped on the rear edge of the passenger side of the transmission maincase.
Saginaw 3- and 4-speed Transmission Code Location The Saginaw transmissions were stamped on the driver's side of the case, on a pad right below the side cover on the machined surface.Muncie 3-speed Transmission Code Location The 69 H-D Muncie 3-speed manual transmission was stamped on the driver's side, right below the side cover on the machined surface. The transmission tag was stamped with the date code, the unit's serial number, and, in large letters, the broadcast code.
1967-1969 Camaro TH400 Transmission Tag Format The TH400 transmission code was stamped on a metal ID plate located on the passenger side vertical surface of the transmission case. The table below summarizes the transmission maincase casting numbers for 67-69 Camaro applications. This stamp can be difficult to locate on an 30+ year old axle due to layers of paint, undercoating, rust, and dirt. It may be necessary to partially clean the middle third of the forward face of the passenger side axle in order to locate and discern the characters. The CRG has researched a number of axle codes that were not documented, along with better descriptions of the axle applications and compiled the information in this listing.There were three axle center section casting numbers used for 67-69 Camaros (and all three were also used in Novas). 67, 68, and most 69 cars received either the 10-bolt(NNN) NNN-NNNNhousing or 12-bolt(NNN) NNN-NNNNhousing.
Later 69 (after 08A) cars could have received the 12-bolt(NNN) NNN-NNNNhousing.1970 axles had a C (for car) prefix added to the axle code.
Most late 69 (after 08A) axles (10 or 12 bolt) were stamped using the 1970-style code, e.g. CBT instead of just BT.Notice that there is no specific year included in the axle assembly code.
While some axles can be traced to a specific year solely on the basis of a rarely used application code, there are other axles stamped with a code that was used for multiple years. In order to trace an axle to a specific year, it is advisable to also check the carrier casting number and casting date code.




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