Engine ID

[Don Welshans]

I bought a 88 chevy stepside silverado a few months ago and it has a crate motor in it. I've looked for stampings on the passenger side of the motor to see if it is a 350 and all I can find is a bar code sticker with some numberes on it. Anyone have an idea where to look to see what the numbers mean? Why would some manufacturer use a bar code label instead of punching them on the cyl. head boss?

 

[Trigger_guard]

If it's An OE style motor it may not have any special stampings. That bar code is most likely for inventory.
But the factory casting number for the block is on top, right in front of the bell housing. And of course the head numbers are in between the valve springs. That should get you close

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[Don Welshans]

Thanks.