Donor car

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The 'yellow' emissions sticker back by the firewall will indicate either 2 bbl or 4 bbl tuning specs. Also, at the front corner of the heads there will be a '2' or '4' stamped indicating 2 bbl or 4 bbl heads.

 
Unless there is a 4 to 2 adapter for the carburetor it's a 2V. They never made 4V heads with a 2 brl carb.

 
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