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Old 07-22-2015, 12:42 AM
69ssrag 69ssrag is offline
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Default Block casting 618 build plant

I recently read on CRG that 618 cast blocks for 1969 Camaro were cast at the Flint plant. My car has a 618 cast with a Tonawanda stamp on the front pad. Does anyone know if 618 blocks were possibly cast at Tonawanda?
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  #2  
Old 07-22-2015, 10:24 AM
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ZLP955 ZLP955 is offline
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Default Re: Block casting 618 build plant

Is the pad stamp on your block a Camaro application code?
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Old 07-22-2015, 12:58 PM
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Default Re: Block casting 618 build plant

Yes, HA(4sp). Date is several weeks prior to production date provided by NCRS.
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Old 07-28-2015, 02:22 PM
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Default Re: Block casting 618 build plant

Do you have a picture of the stamp?
Does it have the lifter galley plug above the timing cover?
The square shaped plug to the right of the stamp pad....

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Old 07-28-2015, 08:30 PM
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Default Re: Block casting 618 build plant

It does not have that plug. I was under the hood at 11pm last night looking for it I will post pic soon.
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Old 07-29-2015, 03:59 AM
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Default Re: Block casting 618 build plant

If it doesn't have the plug it was machined at Tonawanda and many HA's were built there, I've got 2 in my own collection.
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68 GTO HO 4 spd Alpine Blue /Parchment 2 owner car
#21783 71 Corvette LT1 45k miles Orig paint - Brandshatch Green - National Top Flight - last known 71 LT1 built.
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Monza Red and Daytona Yellow Corvettes
& a Chevelle or two...
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