Original Message
RE: Re: 428
By Ed Foral - 12/30/2000 10:11:38 AM; IP 205.188.199.166
The 390GT, shared the "S" cast intake with most 428's and other 390's in 66.
The two outside top holes on each head are lower than all other heads. These holes are what limit your manifold selection.
8 bolt C6AE-R heads can be drilled for 16 bolt pattern, if you really wanted to, and they have the tall intake ports and early exh. port style.

Ed
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 428 -- Ed Foral, 12/29/2000
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 RE: Re: 428 -- Ed Foral, 12/29/2000
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Collapse <b>RE: Re: 428</b>&nbsp;-- <font color=#0000ff>Ed Foral, <i>12/30/2000</i></font>RE: Re: 428 -- Ed Foral, 12/30/2000
 RE: Re: 428 -- TIKMA/TIM, 12/30/2000
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