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#1
11-27-2011, 06:57 AM
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Help with date on big block head
I was changing valve covers on my Nova today and noticed a wierd date code the one head was A 27 7 it is a 391 rectangular port head and the other is also a 391 but the date is 20 6. Has any body ever seen any heads like this. Its possible that maybe the month code was bad and they didnt use it but I woyld think there would be more like it.
 
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69 RS SS L78 conv 69 RS SS ZL1 69 L78 Chevelle conv 69 L78 Nova 69 L34 Nova 67 SS Chevelle 73 Trans Am 
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#2
11-27-2011, 01:48 PM
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Re: Help with date on big block head
John.......I'd like to help , but.......I only know about Aluminum Heads......
__________________
 The Best things in life......Aren't Things
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#3
11-27-2011, 11:07 PM
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Re: Help with date on big block head
Ken, I thought you became a number guy a while back
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69 RS SS L78 conv 69 RS SS ZL1 69 L78 Chevelle conv 69 L78 Nova 69 L34 Nova 67 SS Chevelle 73 Trans Am
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#4
11-28-2011, 12:17 AM
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Re: Help with date on big block head
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: ssl78</div><div class="ubbcode-body">Ken, I thought you became a number guy a while back </div></div>
LOL.........That was before Charley spoiled me with the LS stuff....
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The Best things in life......Aren't Things
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#5
11-28-2011, 11:03 PM
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Re: Help with date on big block head
I am guessing you have a December head where the date was miss-cast.
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Day 2 is Life.
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#6
11-28-2011, 11:15 PM
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Re: Help with date on big block head
I would agree..this is a "one year" application...67 was low production for L78...I have seen a number of BB heads with casting date issues....since it's not a numbers situation, given the car it is in...don't worry...just enjoy!
wilma
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02 Berger 380hp #95 Lots of L78 Novas Join National Nostalgic Nova! 70 Orange Cooler 69 Camaro
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