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My 67 has a 327 in it stamped T0503HCR from what I can tell it means.
Tonawanda May3rd 1966 327 275hp 4bbl rochester powergide. How do I know if this would be matching to the car? Im assuming its not since its 1966.
 

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What tells you it is a 1966 engine?The casting date on the back of the block tells you more about the year of the engine.the casting date's first letter is the month{A=january B= Febuary ect) and the last number is the last number of the year.Production of a model year typically starts in August of the prior year,and the correct engine is made within about a month before that.Production date for the car itself is on the cowl tag as a letter and 2 numbers near the upper left corner.the 2 numbers are the month and the letter is the week.If you numbers are between 08 and 12 then the car was made in the year prior to the model year,if it is between 01 and 07 then it is made during the model year.There are slight variations of this,and a 1967 Camaro may be one of them.Since it was the first year for the car,I dont know if they might have started production a little early to have the new model car on the showroom floors ahead of time(some others on this board will know that info}.Check the cowl tag date in comparision to the block casting and stamp date.Also know that the numbers matching engine will almost always have the last 6 digits of your car's VIN on it.if the VIN isnt on the front pad,it may be stamped down on the bottom of the block,some others on here will be able to tell you the exact location for your car.Good luck.
 
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