54 engine numbers
Thread Starter
Instructor
Joined: Sep 2003
Posts: 123
Likes: 2
From: Harrison City pa
54 engine numbers
I am looking at a 54 with the engine numbers of...... 05I5470 F54YG. I think the F54YG is correct for the year but I am confused about the first set of numbers. Any help would be appreciated. 
Le Mans Master
Joined: Dec 2009
Posts: 5,516
Likes: 1,956
From: Plano IL
2026 Corvette of the Year Winner - Unmodified
2025 C1 of the Year - Unmodified Winner
2019 C1 of Year Finalist (stock)
2018 C1 of Year Finalist
The F54YG is the important number - that ID's the block as a Corvette vs Pass car
The beginning number is just a sequence number
What is the date code on the side of the block?
Passenger side - down from the stamp and to the rear.....
The beginning number is just a sequence number
What is the date code on the side of the block?
Passenger side - down from the stamp and to the rear.....
Thread Starter
Instructor
Joined: Sep 2003
Posts: 123
Likes: 2
From: Harrison City pa
Thanks and some more numbers
Le Mans Master
Joined: Dec 2009
Posts: 5,516
Likes: 1,956
From: Plano IL
2026 Corvette of the Year Winner - Unmodified
2025 C1 of the Year - Unmodified Winner
2019 C1 of Year Finalist (stock)
2018 C1 of Year Finalist
There is a date code on the side of the block
It is behind the starter - on the passenger side.
The block is the right part number !
The head is the right part number !
It could be a real black car - look behind the seats, look under the dash and in the corners of the dash - underneath
Look under the carpet.
Look under mouldings - the factory did a split/tape off on the tops of the doors, under the windshield
It is behind the starter - on the passenger side.
The block is the right part number !
The head is the right part number !
It could be a real black car - look behind the seats, look under the dash and in the corners of the dash - underneath
Look under the carpet.
Look under mouldings - the factory did a split/tape off on the tops of the doors, under the windshield
