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#1
01-12-2012, 09:06 PM
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1969 427 "512" Block Question
1969 427 "512" Block Question?
Does anyone know a definative time period as to when the casting dates went from the side of the 427s to the rear of the block on top by the belhousing?
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#3
01-12-2012, 09:40 PM
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Re: 1969 427 "512" Block Question
I think it was mid 69. I have a B 5 9 block here with the casting date on the side.
Jason
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#4
01-12-2012, 10:06 PM
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Re: 1969 427 "512" Block Question
I just looked in, "Chevrolet by the Numbers" by Alan Colvin. He says the change was made Nov 17th, 1969. The date location was changed at the same time the distributor boss was changed from the high to the short tower design.
Jason
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#5
01-12-2012, 11:40 PM
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Re: 1969 427 "512" Block Question
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: SuperNovaSS</div><div class="ubbcode-body">I just looked in, "Chevrolet by the Numbers" by Alan Colvin. He says the change was made Nov 17th, 1969. The date location was changed at the same time the distributor boss was changed from the high to the short tower design.
Jason </div></div> Its not true. 
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#6
01-13-2012, 12:21 AM
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Re: 1969 427 "512" Block Question
My MN block was cast January 27th and it's cast on the side of the block.
Kurt 
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 1969 SS396 Post Sedan Delivered to Van-T Topeka KS MCACN Day2 Concourse Gold Award 1965 VW El Lobo Dune Buggy built in the mid 70’s for the Iowa Shriners 1968 Schwinn Orange Krate 1969 Schwinn Pea Picker 1968 Schwinn 5-Speed 1970 Schwinn 3-Speed Deluxe 1972 Schwinn 10-Speed Continental 1973 Schwinn 5-Speed Suburban All Original Paint Bikes
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#7
01-13-2012, 12:26 AM
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Re: 1969 427 "512" Block Question
It is a great reference book, but has a few errors in it.
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#8
01-13-2012, 02:08 AM
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Re: 1969 427 "512" Block Question
I wouldn't think the same plant would go back and fourth with where they placed the casting dates?
__________________
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#10
01-13-2012, 06:06 AM
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Re: 1969 427 "512" Block Question
I have a May of 1969 block and its stamped on the back of the block.
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Day 2 is Life.
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