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Fuel Injection heads vs N/A Heads 120-130 1965

posted by  someone claiming to be BrettSutherland on  Thu Nov 8 09:52 CST 2001 [RELATED]

Hi again gang .... well this morning I picked up the "New to me" B20 engine that I plan on installing in my 122. Apparently the block itself is a 1969 variety but it is fitted with a fuel injection head with the injection ports sealed with silicone sealant. I have been told, by someone who should know, that the valve sizes are larger in the FI head than the ones in the N/A head. Is this true and what is the compression ratio comparison between the two heads? .... In other words, should I have my N/A head gone over and install it when we put in that engine ... or is there a performance gain to be had by using the FI heads with the SUs ?

Old Volvos never die ... they just become COOL !!!!





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