I'm reviewing the pulley table M-18 in the current 1967 JG, and it appears to me that some of the L79 configurations shown in the table may be incorrect. I'd like some feedback from experienced judges and/or owners of original, un-molested 1967 L79 cars. Following are my questions:
1) When the L79 had no additional options (no A/C, no PS, and no A.I.R), was the water pump pulley a single-groove 3905995 pulley, or was it a double-groove 3770245? Note that for this question you don't need to know the actual part numbers to detect whether the water pump pulley has one groove or two grooves.
2) When the L79 was equipped with only A/C (no PS, no A.I.R), was the water pump pulley a standard-groove 3890419, or a deep-groove 3848904?
3) When the L79 was equipped with only PS (no A/C, no A.I.R), was the water pump pulley a standard-groove 3890419, or a deep-groove 3770245?
I understand that the answers to the above questions can (theoretically) be determined from the AIM, but I'm interested in comparing what the AIM appears to say to what we find on actual production cars that are believed to have their original pulley set.
1) When the L79 had no additional options (no A/C, no PS, and no A.I.R), was the water pump pulley a single-groove 3905995 pulley, or was it a double-groove 3770245? Note that for this question you don't need to know the actual part numbers to detect whether the water pump pulley has one groove or two grooves.
2) When the L79 was equipped with only A/C (no PS, no A.I.R), was the water pump pulley a standard-groove 3890419, or a deep-groove 3848904?
3) When the L79 was equipped with only PS (no A/C, no A.I.R), was the water pump pulley a standard-groove 3890419, or a deep-groove 3770245?
I understand that the answers to the above questions can (theoretically) be determined from the AIM, but I'm interested in comparing what the AIM appears to say to what we find on actual production cars that are believed to have their original pulley set.