However, when it comes to Pontiac, this is simply the engine sequential number, generally referred to in service bulletins for updates in production. (The VIN is located on the passenger’s side front of the block, down where the timing cover and the oil pan meet.)
How do you decode a Firebird VIN number?
Firebird VIN Decoding
- 2nd digit: Series number: Firebird=2.
- 3rd digit: Model/Engine number: 3=All 1967-69 models. 3=Standard models(1970-71) 4=Esprit V8(1970-71) 6=Formula V8 (1970-71)
- 4th and 5th digit: Body type number: 37=Sport Coupe (1967-69) 67=Convertible (1967-69) 87=Sport Coupe (all 1970-81)
How do I identify a 455 engine?
The numbers cast on the lower left corner of the engine block — or on the cylinder head — indicate the year the engine was manufactured. The casting numbers for a 455 include 395021F, 396021Fa and 231788L.
Where is the VIN on a 1967 GTO?
1967 Pontiac GTO Location of Vin/Chassis Number: The number is embossed in the chassis plate, riveted to the front left door hinge panel using rosette rivets.
What is a 425 engine?
425. The 425 cu in (7.0 L) big-block was the first tall-deck “big block,” produced from 1965 through 1967. It is arguably the best engine Olds made in the muscle car era, although it never made it into a “muscle car”. It used a 4.126 in (104.8 mm) bore and 3.975 in (101.0 mm) stroke.
What liter is a 455 engine?
7.5 L
Displacement began at 287-cubic-inch (4.7 L) and grew as large as 455-cubic-inch (7.5 L) by 1970. Pontiac continued to manufacture its own engines, distinct from Buick, Cadillac, Chevrolet, or Oldsmobile, until 1981.
Did Pontiac make a 428 engine?
The Pontiac 428 cubic inch engine was used only from 1967-69. It was one of the largest engines Pontiac produced, but it was used more to power big cars such as the Bonneville, and not as much for performance cars such as the Firebird.
What does the VIN number mean on a Pontiac?
From late 1967 to 1981 the VIN is a 9-digit number. 1st Number = “2” for Pontiac. 2nd number = Production year. 3rd Letter = The assembly plant. The Last 6 Digits equaling the last 6 digits of the vehicle’s VIN. Beginning in 1955 a 2-digit engine code was stamped just under the passenger-side cylinder head.
What was the original size of the Pontiac 269 engine?
They came up with a 269-cubic-inch (4.4 L) L-head design. Pontiac engineers tested their 269 cu in (4.4 L) V8 in 1949 or 1950 against a downsized Olds rocket V8 overhead engine. The Olds engine was a 303 cu in (5.0 L), Pontiac reduced the size to 270 cu in (4.4 L) in for testing against the 269 engine.
What was the size of the Pontiac olds 303 engine?
The Olds engine was a 303 cu in (5.0 L), Pontiac reduced the size to 270 cu in (4.4 L) in for testing against the 269 engine. The test results showed Pontiac that an L-head engine simply couldn’t compete with overhead valve V8 engine designs.
Where can I find the V8 engine code for my Pontiac?
However, these are all searchable online or can be found in Mark Allen’s booklet, Pontiac V8 Engines Factory Casting Number and Code Guide 1955–81, which is available on Amazon or eBay.
