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63 engine question

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Old Dec 16, 2010 | 05:54 PM
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Default 63 engine question

I bought this 63 conv with a build date of may 63 . The engine is non matching but correct casting # . the question is what is it . the only thing stamped on the pad is TI009S the casting date is I 27 62 and the casting # is 3782870
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Old Dec 16, 2010 | 06:02 PM
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it looks to be out of a 62 Impala 327/250 4 bbl carb, and powerglide
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Old Dec 16, 2010 | 06:05 PM
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Originally Posted by Nowhere Man
it looks to be out of a 62 Impala 327/250 4 bbl carb, and powerglide
What confused me was the lack of a vin # that part was never stamped
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Old Dec 16, 2010 | 09:07 PM
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Originally Posted by paulywannafly
What confused me was the lack of a vin # that part was never stamped
only your high performance engines got the vin stamp. it wasn't until 1968 that all engines got the full vin stamp. it seems GM only stamped the high performance engines got stolen so it helped the insurance company's track them down.
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Old Dec 16, 2010 | 09:11 PM
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Originally Posted by Nowhere Man
only your high performance engines got the vin stamp. it wasn't until 1968 that all engines got the full vin stamp. it seems GM only stamped the high performance engines got stolen so it helped the insurance company's track them down.
Well Thank you for clearing that up I never knew that
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Old Dec 16, 2010 | 09:21 PM
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Originally Posted by paulywannafly
Well Thank you for clearing that up I never knew that
that is just another thing I leaned on this board.
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Old Dec 17, 2010 | 04:01 AM
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Originally Posted by paulywannafly

I bought this 63 conv with a build date of may 63 . The engine is non matching but correct casting # . the question is what is it . the only thing stamped on the pad is TI009S the casting date is I 27 62 and the casting # is 3782870
Technically, it's "not" the right casting.

It's a Tonawanda block. How do you know?

Two things:

First, the assembly stamping is T1009S. The "T" stands for Tonawanda, NY. ALL small block Corvette motors were assembled in Flint in the 63 time frame.

The stamping on those blocks would begins with an "F".

Secondly, the casting date. Tonawanda motors have a "2 digit" casting date. In your case, it is 62, meaning 1962.

Flint/Saginaw cast blocks have a "1 digit" casting date, i.e. 2 for 62, 3 for 63 and so on.

I'll bet if you look at the block, you'll find many embossed and debossed "T's" on it too.

AND, I also believe that the casting number, the "870" number is smaller on Tonawanda blocks than it is on Flint blocks. I've got some pix somewhere.

Chuck
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Old Dec 18, 2010 | 12:56 AM
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Also, if you look on the front, you will see a 1/8th inch pipe thread galley plug on the passenger side above the timing cover on a Flint block. It isn't on a Tonawanda block.

Pull this out and you can read oil pressure there.
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