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shaz is right....in my search i couldnt find anyone that made heads for 400s that werent specifically made for the engine just the 351C heads....i guess you could have some custom made but that'd run you a hell of alot
Aluminum head rumors. Can someone find more recent info?
March 17 2002
Another company in Melbourne is releasing alloy heads for the cleveland. I believe these heads are closer to 2V size. From what I have seen of the prototype flow figures, these heads should be exceptional. The price is similar to the New Zealand Pro Cylinder heads for the Chev. Both alloy and cast iron will be available. Release date in a month or so.
There is no website,
The company is AirFlow Dynamics
I looked up the PROTOTYPE figures:
Inlet Valve:2.05"
Exhaust Valve:1.655"
Port Volume (estimate):180cc
Inlet Flow @ 28"H20 & .500 lift : 289cfm (cf 4v=245)
Exhaust Flow @ 28" H2O & .400 lift: 208 cfm (cf 4v=150)
Chamber Volume: 65 or 72 cc
These heads are being produced in Melbourne Australia. They shall be released shortly. If your in oz buy parts peddler and look up Airflow Dynamics in the index.
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The Arao 32V heads use 351C 4V size ports.
http://www.araoengineering.com/Ford/clevelnd.htm
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