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#1
10-02-2014, 11:08 PM
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Ls6 CRV block
I looked at a LS6 engine today the casting date was J249, the build date was TO618 no vin one head was early may of 70 the other was late april 70. Did any one ever see a casting and build date so far apart
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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
10-02-2014, 11:19 PM
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Re: Ls6 CRV block
Did you check the pad near the oil filter boss to see if there was a Vin number there? 1970 Van Nuys would stamp the partial VIN on the rough cast area by the oil filter. see photo
Also I'm not real surprised by the date spread you have as this happened once in awhile with blocks sitting at the back of the batch of the newer made blocks, it was not common but it did happen as there are a few survivors documented with longer spread dates than others [img]<<GRAEMLIN_URL>>/biggthumpup.gif[/img]
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#3
10-02-2014, 11:37 PM
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Re: Ls6 CRV block
nothing by the oil filter either
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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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