Western Members - anyone know the casting # for LT1 block




nevrlift13
05-15-2010, 11:41 AM
got a bunch of cores at work and i cant seem to find the casting number for an LT1....anyone know them


ss.slp.ls1
05-15-2010, 12:45 PM
All LT1 blocks have a big "327" cast into both sides of the block. Dead giveaway.

nevrlift13
05-15-2010, 01:09 PM
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


ss.slp.ls1
05-15-2010, 04:36 PM
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. :P

nevrlift13
05-18-2010, 02:52 PM
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. :P

do u have any LT1 blocks laying around jason

ss.slp.ls1
05-18-2010, 03:22 PM
do u have any LT1 blocks laying around jason

Not at the moment. Chris has two in his office.

nevrlift13
05-18-2010, 04:05 PM
Not at the moment. Chris has two in his office.


how much does he want for them

ss.slp.ls1
05-18-2010, 04:07 PM
how much does he want for them

He wants 500 for the shortblock.