Not Ranked
Congradulations on your cobra , good choice of power !
(ps) I thought the problem lied with the sodium filled valves ( light weight for high rpm ) they use to get sucked in the heads , most run stainless today . The skirted design and cross bolted mains made the side oiler bullet prof . I run a nascar crank and rods ,as far as parts ; in todays world anything is avalible .
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