Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
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#7
12-01-2007, 08:39 AM
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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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