Block identification

[Higheye]

Could anyone help ID this block? 1986 C10 5.0 factory. Was told had engine swap done at some point and having trouble reading these numbers. Thanks.

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[bthomas]

Numbers on back of block would be more helpful

 

[AyWoSch Motors]

Could anyone help ID this block? 1986 C10 5.0 factory. Was told had engine swap done at some point and having trouble reading these numbers. Thanks.

Thatd be a 350, 155hp out of a 79-82 C20 or C30. I ran the 3 letter suffix code.

 

[Bextreme04]

For anyone looking to ID an engine. Just use the lime book and the suffix code if it's still on there. http://www.camaros.org/pdf/LimeBook.pdf

 

[Higheye]

Thanks!