On my 67 327/275 no A/C is the correct water pump casting number 3782608? Also for the same car is the correct alternator number 1100693?

On my 69 350/255 no A/C is the correct alternator number 1100834?

Yes, Yes and Yes to your 3 questions.

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Jim
67 Camaro SS Conv.
70 Challenger R/T Conv.

Thanks!! I'm on the road and don't have my books with me to check.