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Old 05-19-2016, 01:47 PM
Check6 Check6 is offline
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Default Where are the engine numbers located on a 66 389 GTO

What do you look for to check your engine numbers? Have a 66 GTO 389 would like to know where the engine numbers are located and what they are suppose to match?

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Old 05-19-2016, 03:04 PM
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johnta1 johnta1 is offline
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The passenger side front of block under head is the Engine Unit Number (6 digits) below that is the Engine Code.

On back of block passenger side is a block casting number.
On back of block by distributor is a date casting number.
No partial VIN on the 66 engine.

Find those and report them here.

My website may help also:

Engine Code Search


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Old 05-19-2016, 08:18 PM
Check6 Check6 is offline
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Hi John,
Thanks for the reply. I'll see if I can find them,Thanks,
Fred

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