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2bbl to a 650 cfm 4bbl

935 views 1 reply 2 participants last post by  Blazin72 
#1 ·
if i change from a Rochester 2bbl carburetor to a 650 cfm 4 bbl carburator does that change my compression on my 327 small block with 808 heads and its a dual plane intake :confused:
 
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