Quote:
Originally Posted by RAJ7395
Agreed! I've got a set of #13s and can give them away either.
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Those #13s have value and are worth rebuilding. Perfect street 400 head with chambers usually in the 78 to 81cc range even though they are advertised at 72cc, the biggest chambers of the all the ‘67 through ‘70 high compression 400 heads. Big valves and screw in studs too.
Unfortunately the crazy cost of shipping nowadays makes cast iron heads more difficult to sell. Only the Ram Air and SD heads or other high performance GTO or Firebird casting numbers are worth spending money to ship.
The 1970 #13s are a nice head but mostly used on automatic GP, GTO and Firebird 400 engines. Don’t sit them at the curb, but a local sale will be what it might take to sell them.