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anyone know the casting # for LT1 block

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Old 05-15-2010, 11:41 AM
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Default anyone know the casting # for LT1 block
got a bunch of cores at work and i cant seem to find the casting number for an LT1....anyone know them
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Old 05-15-2010, 12:45 PM
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All LT1 blocks have a big "327" cast into both sides of the block. Dead giveaway.
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Old 05-15-2010, 01:09 PM
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Originally Posted by ss.slp.ls1
All LT1 blocks have a big "327" cast into both sides of the block. Dead giveaway.
well i just found a block with a big 327 on it i measured the bore and it was 3.75" not 4.00" making it a 305 with the same casting number....now im baffled
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Old 05-15-2010, 04:36 PM
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Originally Posted by nevrlift13
well i just found a block with a big 327 on it i measured the bore and it was 3.75" not 4.00" making it a 305 with the same casting number....now im baffled
Was the 327 on the both sides of the block, like the face where the motor mounts bolt to? If so, I would check the mesuring device or the user.
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Old 05-18-2010, 02:52 PM
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Originally Posted by ss.slp.ls1
Was the 327 on the both sides of the block, like the face where the motor mounts bolt to? If so, I would check the mesuring device or the user.
do u have any LT1 blocks laying around jason
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Old 05-18-2010, 03:22 PM
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Originally Posted by nevrlift13
do u have any LT1 blocks laying around jason
Not at the moment. Chris has two in his office.
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Old 05-18-2010, 04:05 PM
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Originally Posted by ss.slp.ls1
Not at the moment. Chris has two in his office.

how much does he want for them
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Old 05-18-2010, 04:07 PM
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Originally Posted by nevrlift13
how much does he want for them
He wants 500 for the shortblock.
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