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In order to prevent the mixing of side cores on packages between 2007 and 2010 MY block core packages, incorporate the features shown in the attachment in the 2010 design of the G, H, L, R cores. (Note: To avoid the need to add features to the 2007 current tooling, it is necessary to add and remove sand on the 2010 core package to prevent the possibility of mixing cores in the core packages.) Update all tool components associated with the change. In order to accomodate the plan to mount 2010 LR inserts in existing 2007 tooling assemblies, it is necessary to avoid changing strip pins and blowtubes as a result of this change.

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Program	Part Type	Part #	Design Phase	Location	PTE	Status
Duramax V8	Block	98074437	Dev	Defiance	Singer, James	Complete - Approved

Impacted Part Information:

Program	Part Type	Part #	Design Phase	Location	PTE	Status
Duramax V8	Block	97377917	Prod	Defiance	Singer, James	Waived

Location Information:

Location	TM	Approval Date	Priority	Status
Defiance	Meyer, Maurice	1/30/2007 2:43:57 PM	Normal	Approved