1st Generation 1964 1/2 - 1973 - Questions & general discussions that apply to a specific year > 1969 Boss

69 boss 302 engine vin stamping

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Mike_B_SVT:

--- Quote from: preaction on October 06, 2017, 01:54:07 PM ---It has a C stamped as some others have on that pad but no serial number.  It also has a build date stamp that fits the block time line.

--- End quote ---

Huh...  Did you try looking on the other typical VIN locations?  Maybe the stamper was confused and put it on the back of the driver's side instead?

J_Speegle:

--- Quote from: preaction on October 05, 2017, 07:20:57 PM ---Did all 69 302's have a vin stamped at the rear of the block ?

--- End quote ---

As always there were likely mistakes that might have gotten past the inspectors or as you stated it could be a replacement/service especially considering the high failure rate of these engines though I'm pretty sure the piston problem would not have been know in April, since the assembly of the cars started in the last weeks of April) there still would have been so engines needed in case there was a need similar to that in other engines

The plants had been stamping all engines for over a year so its not likely that the number of missed (if that is the case) was very high but the determination of it were a replacement/service item would come down to comparing casting, machining, and assembly dates on all the parts compared to the cars real build date.  If any of these dates are after the car was built then you have the most likely answer

An interesting but likely impossible task would be to collect all know service block dates since these engine may have been purpose built at specific time period and put into the supply system. Of course if the engine plant  just added to the normal build process a few engines every day or week for the supply system this effort would not be useful. Just a thought.

I do have a similar non-VIN block cast 9C for a 9D car that I believe is original to the car

preaction:
Can a determination between assembly line or replacement be made from these pics.

Bob Gaines:

--- Quote from: preaction on October 16, 2017, 12:32:03 AM ---Can a determination between assembly line or replacement be made from these pics.

--- End quote ---
You forgot to include the back of the engine where the VIN is typically stamped.

preaction:
Bob, I didn't because as best I can tell there is not a vin stamping. Just the letter C.

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