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Forum: Pontiac - Street 05-28-2023, 07:57 PM
Replies: 22
Views: 1,456
Posted By jerry455
I don't think my 1974 YW 455 block was drilled...

I don't think my 1974 YW 455 block was drilled and taped for 4 bolt mains. I will have to check when I am back over my friends house, where we are building my motor.
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