Quote:
Originally Posted by 72 Cheyenne K20
Hi guys and thanks for the replies.
I understand the cast dating but wanted to know if anyone has any reasoning for the model cast number to not match the date cast number.
7043 = 1973
1538 = 1968 or 1978
The last number in the date should be a 3 to match the 7043
So, I was thinking maybe they got the date mixed up and it should be 1583 instead ?
Thanks Scott
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Yep, I hear ya, the model cast date and Julian date are different when the carb is a factory service replacement. Meaning the original carb probably had a repeat issue and the dealer installed this carb as a replacement. So, 1538 probably indicates the year this carb was installed, or 1978.