olds heads

[uselessgrant]

mine are the "B" casting. what can you all tell me about them?

[Oldsquirt]

Here's a site with lots of Olds info, save it for future use : Olds FAQ (http://www.442.com/oldsfaq/oldsfaq.htm)
"B" heads appear to off of a 65-66 400 or 425.

[uselessgrant]

thanks for that link turns out my block is an early 400..a rare 442 motor!