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Old 01-26-2010, 03:31 AM
SuperNovaSS SuperNovaSS is offline
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Default 70 LT1 block

What does everyone think of this block?

CTB LT1 block


I have a April cast CTB 0010 block and the casting number looks completely different. The casting number is clean and in line. Mine is all over the place. Does anyone know whe the casting number went from the sloppy 3970010 to the clean, inline one? I just sold a 1971 LT1 crate engine and it has the clean casting number. I was just curious whether this was the real deal or a rewhacked 1980 block.

Jason
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  #2  
Old 01-26-2010, 04:03 AM
SuperNovaSS SuperNovaSS is offline
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Default Re: 70 LT1 block

Here are pics of the casting numbers on my block:




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  #3  
Old 01-26-2010, 05:00 AM
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mockingbird812 mockingbird812 is offline
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Default Re: 70 LT1 block

Jason - here is my block castings for an 05D build...




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Old 01-26-2010, 05:14 AM
SuperNovaSS SuperNovaSS is offline
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Default Re: 70 LT1 block

Sam,


That makes since then. The casting number change must have happened sometime between april and mid-May.

Thanks,



Jason
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  #5  
Old 01-26-2010, 08:14 AM
Kurt S Kurt S is offline
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Default Re: 70 LT1 block

Probably just a variation in the mold....
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  #6  
Old 01-26-2010, 11:24 AM
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Fast67VelleN2O Fast67VelleN2O is offline
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Default Re: 70 LT1 block

Check out the sellers feedback....
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Old 01-26-2010, 05:01 PM
owners2 owners2 is offline
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Default Re: 70 LT1 block

I have a January 1971 block & my casting numbers look offset just like that.
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  #8  
Old 01-26-2010, 08:54 PM
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YENKO DEUCE REGISTRY YENKO DEUCE REGISTRY is offline
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Default Re: 70 LT1 block

Deuce blocks are all nice, clean and aligned. They span 05D to 06B.
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  #9  
Old 01-26-2010, 09:18 PM
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Default Re: 70 LT1 block

Marlin - what is the span of block casting dates for Deuces?
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Old 01-26-2010, 09:30 PM
Hylton Hylton is offline
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Default Re: 70 LT1 block

Someday, God will reward me with a std bore CTC block.....
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