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Original Message
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| RE: 390GT using 428 CJ Exhaust Manifolds |
| By The Jet - 03/16/2005 12:59:55 PM; IP 208.201.202.102 |
> The build date for this vehicle is 9 Jan 68. Very early production. Wouldn't
> it make sense that 67 engine, heads, etc were used? It has been my understanding
> that this was common practice. I have owned this vehicle for 23 years
> and was the 3rd owner. It came into my possession with everything from
> the original 8 track AM radio to the original crome dress up kit from the
> factory (i.e. coil, volt reg, valve covers, etc). I still have all this
> boxed up in my possession. There were no apparent modifications but it
> needed a bit of TLC. I appreciate the input and I don't like things sugarcoated,
> considering the above information do you still believe it isn't a numbers
> matching vehicle?
Hawkrod gave you the non-sugared answer. The question is whether you really want to go the extra effort in true numbers matching. There are tons of date codes involved in this.
>
> The numbers on the previous post were all that I could find for each indicated
> item. I thought the Date code was the C7AE (indicating 1967). What numbers
> indicated the month cast? Where can I find a directory to decode this
> info?
The 7D18, for example, tells us the part was cast in calendar year 1967 (7), in the month of April (letter D is the fourth letter in the alphabet. It goes A thru M for Jan thru Dec, skipping the letter I) on the 18th day. This scheme works for most of the parts. Some exceptions, but you get the idea. The casting number (C6ME) really only tells you what production year that particular design or revision was implemented. Some parts have casting dates years later than the casting number, if the same part continued use without changes. Look closer on your other parts. The dates are there.
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