Quote:
Originally Posted by johnta1
The block code is 9790071 which is a 1969 400 YD engine. (with 46 heads)
I'd like the date code from the rear by the distributor and the numbers above the YD .

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Funny how the easier numbers to get at were the hardest to get good pics of. How many numbers are supposed to be above the stamp? I can only make out 2(?) 18805.
I THINK the date cast is “168” ?
The ones on the back of the block are a beast to get. I can’t see them. I just stick my phone in there and shine my flashlight till I get something readable.
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‘63 LeMans- ‘69 400 w/ original transaxle. 2.69 gears.
‘55 Catalina
‘62 Mercury Meteor-all original, bought new by my grandfather
71' GTO -original 400/4-speed/3.23 posi
13.95 @ 102.1 on street tires @ 4055lbs.-now my sons ride