Big Block Heads ?

1076 Views 6 Replies 5 Participants Last post by Johnny O, Mar 31, 2007

Bunz-T

Discussion Starter · Mar 31, 2007

Could someone give me some info on these big block heads. 3964290/3964280 E 11 70 They are on a 454 in a car I just bought with receipts for $750. I know they were cast may 70 but just wanted the good,bad, or ugly. Thanx

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david_396

· #2 · Mar 31, 2007

from motec:
69-70 oval closed 396, 402, 427, 454, 101cc chamber large or small hex plug

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