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#1
12-09-2025, 01:36 PM
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69 12 bolt identification
Hi All
I am looking at a 69 12 bolt for my L78 Nova.The center housing has 3894860N Cast in and under the 12345 cast number it looks like B789.The axel tube is stamped BT0927G E Looks like a bad or repo stamp because the T is deep and miss aligned .I will try to add a picture. Looking for help identifying and verifying Thanks Mike Last edited by Mike L78; 12-12-2025 at 11:51 AM. Reason: Adding pictures 
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#2
12-09-2025, 03:43 PM
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Axle Stamp...
I don't have a real issue with the funny looking "T"...have seen these before.
If someone was going to restamp...it would likely be for a more valuable code. As for the B789....B is for February...the 9 is for 1969...as for the day of the month, it is not possible to have '78'... What is the build date of the car and dates for engine and trans...??? -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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#3
12-09-2025, 04:24 PM
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Ship date
I dont have the build date but The car shipped 3/14/69 from Tarrytown Ny by rail.
Its a real L78 car but not original drive train it now has 396 ,M21,Dana .I have original dealer invoice from Scuncio Chevrolet RI. Mike
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#4
12-09-2025, 05:03 PM
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12 bolt...
PM sent....
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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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#5
12-09-2025, 06:32 PM
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The "B" in the number string is a 6. The 2 sets of numbers are 12345...67890. All axles have this. No clue as to why, but I see it all the time, it doesn't not pertain to this axle in particular.
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Mitch 1970 Chevelle SS 1966 Chevelle SS 1967 Camaro ss/rs 1938 Business coupe, street rod 2000 FXSTS, original owner, 13k miles
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#6
12-09-2025, 06:36 PM
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The 0927 is the build date, Sept 27 of '68 for '69 model cars, way too early for a 03/March build.
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Mitch 1970 Chevelle SS 1966 Chevelle SS 1967 Camaro ss/rs 1938 Business coupe, street rod 2000 FXSTS, original owner, 13k miles
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#7
12-10-2025, 07:59 PM
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That is 100% a factory original stamping. BT is 3.55 posi and 0927 is September 27th. You need to show us the actual casting date of the rear end. The other numbers you pictured is not the casting date. It will be in the webbing around the pumpkin.
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Day 2 is Life.
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#8
12-11-2025, 06:04 AM
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https://www.camaros.org/drivetrain.shtml#axle
Info on axle casting marks and stamped info.
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Kurt S - CRG Last edited by Kurt S; 12-11-2025 at 04:41 PM.
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