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G

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Its for emissions. Beginning in 66 ford used them in california cars. They had special heads and the system also used an air pump, hoses and air monifolds. Alot of people have the bumps in the heads grinded out when they run these types of heads IIRC

~Chris
San Antonio, Tx
66 coupe 289
70 fastback done by may/graduation...hopefully
 
G

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yeah, its not really talked about that often so its not something you hear about everday.

~Chris
San Antonio, Tx
66 coupe 289
70 fastback done by may/graduation...hopefully
 
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