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#1
07-24-2018, 08:57 PM
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Authentication needed
I'm looking for authentication on these Block stampings.
It's a 1970 Z28 350 with a four speed trans. What I want to know from some of you experts is if you think there has been any foul play with it. The VIN is 514353 and is correct for the car. Could it be just a bad stamping from the factory?? I appreciate the help. DH  I'm adding this information: It is a Van Nuys car. There does not appear to be any stamping near the oil filter on the casting. The date code at the left rear of block by the casting number is a clock with "T" at the twelve o'clock position and the clock hand pointing at "6" o'clock, I have photo but to large to attach. DH
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Dicky 
Last edited by Dicky; 07-25-2018 at 02:03 AM. Reason: add new photos 
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#2
07-24-2018, 10:31 PM
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In the top pic you really cant see the broach marks and the block appears to have been lightly decked or surfaced at one time. As far as the stamp not to familiar with the second gen.
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| The Following User Says Thank You to fiveforty For This Useful Post: | ||
Dicky (07-26-2018) | ||
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#3
07-24-2018, 11:15 PM
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My 05B built Norwood car CTB engine has the VIN by the oil filter.
- Warren
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Dicky (07-26-2018) | ||
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#4
07-25-2018, 01:01 AM
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Looks like someone got out the sandpaper to see the stamping and ruined it.
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Day 2 is Life.
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Dicky (07-26-2018) | ||
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#5
07-25-2018, 01:10 AM
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Quote:
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1970 L78 camaro Cortez silver ralley sport under restoration 1970 L78 camaro cranberry red standard black interior original drivetrain.
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Dicky (07-26-2018) | ||
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#6
07-25-2018, 01:41 AM
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Looks like the block has been decked to me. What's left looks good to me. I can make out an "L" in the partial vin.
Buddy
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69 camaro Z-28 burnished brown X-77 bought 1978 70 camaro Z28 forest green M40 black vinyl roof PROJECT 99 camaro SS Hugger Orange 6speed no t-tops 1 of 54 11 cts-v black diamond edition wagon 556hp GONE 15 camaro Z/28 white AC brand new Last edited by x77-69z28; 07-25-2018 at 01:47 AM.
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| The Following 2 Users Say Thank You to x77-69z28 For This Useful Post: | ||
Dicky (07-26-2018), the427king (07-25-2018) | ||
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#7
07-25-2018, 12:10 PM
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I do not see any information in your post regarding the block casting date and body (trim tag) info. Since the engine assembly month is all but obscured, it would be important to be sure the casting date, engine stamp and body build week align. I agree the block appears to have been decked but even partial info can be very useful...but the info available must be in alignment.
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Steve Nuwer 1970 Z28, Norwood 03A, 48 48, 723 Int, M20, COO, 2021 Legends Platinum restored 1970 L78, Norwood 04C, 17 17, 711 Int, M21, COO, born-with drivetrain project. 1972 Z28, Norwood 11C project, born-with drivetrain, 26 26, 775, M20, CGG project 1970 Z28, Norwood 05C, 48 G, 720 Int, M21, COZ, Original Unrestored (SOLD) www.2ndGenZ.com
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Dicky (07-26-2018) | ||
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#8
07-25-2018, 05:44 PM
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I think the stampings are legit and that the block has been decked which almost totally got rid of them
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1969 Camaro RS/SS Azure Turquoise 1969 Camaro Z/28 Azure Turquoise 1984 Camaro z/28 L69 HO 5 speed 1984 Camaro z/28 zz4 conversion 1987 Monte Carlo SS original owner
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#10
07-27-2018, 12:20 PM
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A 514353 VIN would be a 5th week of March build for a Van Nuys car. Does this seem correct for the casting numbers and the rest of the car? The block casting should be an early to mid-March timeframe.
Check the Second Gen registry for more info here: http://www.camaro2ndgenerationregist...-registry.php# There is a 514329 that is close.
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70Z28 04B Norwood Forest Green-white Stripes Black DeLuxe Interior Owned since 1978 - First Car
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