Decoding engine #'s
Thread Starter
Drifting
Joined: Jun 2005
Posts: 1,974
Likes: 2
From: Crownsville Md.
Decoding engine #'s
I have a new motor in a 67 coupe but got the old one w/ the puchase of the car.
Block #'s read casting 3935439
18S418031 TO418031
What is this motor out of. And how do you decode them.
In essence what does each # mean.
By the way Vin # of the car is 194377S111297
Any help w/ what was originally in the car would be greatly appreciated.
By the way I love this site, and appreciate all the info.Believe me I need it.
Thanks, Shemp
Block #'s read casting 3935439
18S418031 TO418031
What is this motor out of. And how do you decode them.
In essence what does each # mean.
By the way Vin # of the car is 194377S111297
Any help w/ what was originally in the car would be greatly appreciated.
By the way I love this site, and appreciate all the info.Believe me I need it.
Thanks, Shemp
Safety Car
Joined: Aug 2000
Posts: 4,148
Likes: 642
From: Bandera Texas
January 68 and later
Originally Posted by shemp
I have a new motor in a 67 coupe but got the old one w/ the puchase of the car.
Block #'s read casting 3935439
18S418031 TO418031
By the way Vin # of the car is 194377S111297
Thanks, Shemp
Block #'s read casting 3935439
18S418031 TO418031
By the way Vin # of the car is 194377S111297
Thanks, Shemp
What heads, intake and carb are on the engine? They have numbers also, and may be the 67 items that originally came with your car.
Thread Starter
Drifting
Joined: Jun 2005
Posts: 1,974
Likes: 2
From: Crownsville Md.
Decoding engine #'s
Originally Posted by jimgessner
Take a second look. The T0418 is for Tonawanda NY assembly plant, April 18,1968. This engine was made after January 68 and used in 427 applications thru early 69. It went into vehicle S418031, which looks like 1968 serial #18031 Corvette. The final stamp letters(031) however, should be : IL,IM,IO,IR,IT, or IU depending on what horsepower, carburation and transmission was originally installed.
What heads, intake and carb are on the engine? They have numbers also, and may be the 67 items that originally came with your car.
What heads, intake and carb are on the engine? They have numbers also, and may be the 67 items that originally came with your car.
If you can tell me what it means from that it would help.
Thanks again for your help,
Shemp
Administrator
Joined: Jul 2000
Posts: 53,976
Likes: 6,203
From: About 1100 miles from where I call home.
Originally Posted by shemp
The # is T0418IL. I wrote them down wrong on the message.
If you can tell me what it means from that it would help.
Thanks again for your help,
Shemp
If you can tell me what it means from that it would help.
Thanks again for your help,
Shemp
IL suffix = 427, 390 horse, manual tranny
Team Owner
Joined: Oct 2000
Posts: 38,897
Likes: 1,923
From: Washington Michigan
Originally Posted by shemp
By the way Vin # of the car is 194377S111297
Any help w/ what was originally in the car would be greatly appreciated.
By the way I love this site, and appreciate all the info.Believe me I need it.
Thanks, Shemp
Any help w/ what was originally in the car would be greatly appreciated.
By the way I love this site, and appreciate all the info.Believe me I need it.
Thanks, Shemp
Melting Slicks
Joined: Jul 2004
Posts: 2,864
Likes: 195
From: Maryland
If your car still has the original tank sticker in readable condition you should be able to ascertain what equipment it originally had and the dealer where it was sold. After 38 years though its a big "if".
Thread Starter
Drifting
Joined: Jun 2005
Posts: 1,974
Likes: 2
From: Crownsville Md.
Decoding Engine #'s
Originally Posted by jimgessner
Take a second look. The T0418 is for Tonawanda NY assembly plant, April 18,1968. This engine was made after January 68 and used in 427 applications thru early 69. It went into vehicle S418031, which looks like 1968 serial #18031 Corvette. The final stamp letters(031) however, should be : IL,IM,IO,IR,IT, or IU depending on what horsepower, carburation and transmission was originally installed.
What heads, intake and carb are on the engine? They have numbers also, and may be the 67 items that originally came with your car.
What heads, intake and carb are on the engine? They have numbers also, and may be the 67 items that originally came with your car.
Head #'s 3917215 Manifold #'s 3937793
Is it even worth searching for the original engine, or just enjoy the car as is.
Tried Dmv in Md. for title search. No luck Any suggestions
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Thread Starter
Drifting
Joined: Jun 2005
Posts: 1,974
Likes: 2
From: Crownsville Md.
Tank sticker
Originally Posted by Donald #31176
If your car still has the original tank sticker in readable condition you should be able to ascertain what equipment it originally had and the dealer where it was sold. After 38 years though its a big "if".
Melting Slicks
Joined: Jul 2004
Posts: 2,864
Likes: 195
From: Maryland
The tank sticker is located on top of the tank. Open the fuel filler door , pull the left side of the rubber seal and peer into that space with a flashlight to see if its still there. If so you can lower the exhaust, remove the spare tire carrier and drop the tank.The have been instances where delivery sheets has been found inder the dash or under the seats. Most delivery sheets were disposed of during dealer prep. 
Last edited by Donald #31176; Aug 9, 2005 at 11:04 AM.
