Re: 074 Heads
[ QUOTE ]
I have read numerous
books about building hot rat motors from back in the day and
all of them pretty much trashed these heads for their round
exhaust port configurations and lack of power unless you ran
open headers and super combustion.... How accurate is this?
If true, what explains the crazy prices for '074 heads and
why aren't the '077 heads worth a boat-load more?
[/ QUOTE ] Its simple, appearance when the hood is open. The same reason a vintage ZL1 is worth 3 times a yenko ZL1 or a new GM zl1.
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