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Camaro Research Group Discussion => Decoding/Numbers => Topic started by: stovebolt_six on April 24, 2007, 05:01:25 PM

Title: Engine Numbers
Post by: stovebolt_six on April 24, 2007, 05:01:25 PM
Okay fellas, I've found two more  engine numbers for you "numbers gurus" to decode if you would and they are as follows:

1)   FI228 YS
2)   VII23WA

Thanks in advance...Clint
Title: Re: Engine Numbers
Post by: 1968RSZ28 on April 24, 2007, 05:47:45 PM
Clint -

Both are truck engines.  YS = 1966 or 1968 327 cid engine.  WA could be a 283, 307, or 350 cid engine depending on the block casting date.  If you know the block casting dates we can narrow it down for you.

Paul  

Title: Re: Engine Numbers
Post by: bertfam on April 24, 2007, 05:49:58 PM
"YS" was used in Chevrolet Trucks from 1965 through 1969 in a few configurations:

1965 - 283/185
1966 - 1967 - 327/220
1968 - 327/240
1969 - 396/310

The "WA" was also used in Chevrolet Trucks from 1965-1969 in the following configurations:

1965 - 1967 - 283/175
1968 - 307/200
1969 - 350/255

You'll need to get the date code to see which engine yours is.

Ed

Title: Re: Engine Numbers
Post by: RAfbody on April 25, 2007, 09:50:22 AM
I would have to think the F1228YS would be the 65  or 66 engine since the assembly plant code is "F" instead of "V".  I don't remember the date the flint engine plant changed from F to V but I know it had changed by 1967.
Title: Re: Engine Numbers
Post by: JohnZ on April 25, 2007, 11:32:30 AM
The Flint V-8 prefix changed from "F" to "V" at the beginning of the 1967 model year.
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