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#1
01-09-2004, 06:18 PM
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66' heads
does anyone know if 66' 427 heads oval port # 3872702, date code c1166 sounds right for a 450hp yenko (67') , I got achance to pick them up for a grand is that a good deal.
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67 Rs modified stormer z28 482cu in.yenko camaro 67 327 camaro 69 SS 396 camaro 
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#2
01-09-2004, 06:52 PM
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Re: 66' heads
I'm thinkin you should be lookin for square port heads..
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#3
01-09-2004, 07:55 PM
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Re: 66' heads
xman,
The 3872702 heads were used on the lower performance engines. I.E. the Corvette 427/390, Chevelle 396/325, etc... The heads you need are either the 3873858 (for 1966), or the 3904391 (for 1967). Both of these are square post and would have originally been installed in a HP application, but WHICH one would depend on the build date of your car. Ed
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Ed Bertrand 1968 RS/SS L-89 396/375 Convertible CRG Member
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#4
01-09-2004, 07:59 PM
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Re: 66' heads
You want to look for rectangular port heads dated later in the year. Those are mid/late 66 heads. You'll probably want very late 66 heads dated Nov or Dec, or probably early 67 heads. I'd definitely pass on those heads.
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69 Z28 JL8, #'s match - being restored
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#5
01-09-2004, 08:13 PM
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Re: 66' heads
[ QUOTE ]
I'm thinkin you should be lookin for square port heads.. [/ QUOTE ] Where are the 66 foot heads  Sam
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SamLBInj 69 Z/28 X33D80 72-B H-D 105 FLSTC
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