Differences in Head Gaskets Please help!

What are the differences in a 2.0 and 2.2 head gasket. I just put an engine in my truck. the old owner isnt sure if its a 2.0 or 2.2. I bought it as just a head and black assembled. The head gasket is bad. All the parts store call for different gaskets. I know they heads interchange, but what makes the gasket different but keeps the head interchangable. Let me know. I havent tore the head off yet, and the truck is an hour away. I need to get the gasket before I go work on my truck.

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Would you be able to use the 2.2 gasket on a 2.0 block since it has a restrictor? Wouldnt it leave the void in the gasket unaffected?

I read somewhere that it was the heads that determined the gasket, but you are saying its the block. I have a 2.0 gasket, I will pick up the 2.2 gasket on my way to the truck this weekend. I appreciate the help. Just wanted to make sure I do this right. I'm already upset I pulled an engine with a bad gasket and installed another iwith a bad gasket.

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I was just comparing them online and your absolutely right. Thanks again for the help.

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but the the 2.0 block does have a restrictor in it I have see it with my own 2 eyes ( and no I cant get you a pic that motor is long gone) just find out what block you have and get the head gasket for that block.

2.0 block

that one seems to not have one but mine did so what ever just get the head gasket for the block you plan to use and be done with it