1963 Hip Head??

Mar 14, 2017
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#1
Hi I am considering purchasing a set of 289 C30E heads. The casting number refers to a 63 289 hip with 49.2cc however they don't look to have the spring perches. Anyone know what they may be? Anyone ever seen these before or have any ideas/opinions on them?
 

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horse sence

That $5 hooker turn out to be a guy
Mod Dude
Nov 29, 1999
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#2
Hipo heads have screw in rocker studs ,they also have raised pockets that the valve springs set in ,they are machined right into the head
 

horse sence

That $5 hooker turn out to be a guy
Mod Dude
Nov 29, 1999
7,983
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Wile Coyote's stunt double
#3
Those heads do not appear to have the machined spring pockets ,studs can be threaded so i wouldnt trust that alone .
Are there any other places on the heads with numbers ? There are actually several castings withe the prefix C30E , if there is any other letter past that they are not Hipo
 

rbohm

SN Certified Technician
Apr 12, 2002
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#4
those heads have been reworked, the exhaust ports have definitely been ported, and screw in studs have been installed. i doubt they are factory hipo heads.
 

Realmongo

I prefer to be called "Evil Genius"
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Oct 10, 2001
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#5
Can you give us a photo of the combustion chambers?
Looking at the casting book, there were different C3OE casting variations for the 221, 260, 289, and 289 HP.
 

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