Re: Milling heads

[Jason Rhoades <Jason@xxxxxxxxxxxxx>]

Keep in mind head gaskets can be as much as 50 thousandths thick as compared to the factory shim steel being 19 thick

Sent from my iPhone

On Jul 11, 2011, at 3:44 PM, "MO" <micher@xxxxxxxxxxxxxxx> wrote:

> Thanks Dodger, I am really bad with thousandths.  I had heard that
> intake side of head should be milled  2/3 of what the deck side of the
> head is milled.  Is that comparable with your formula ?
> 
> And what 65 Darwin says--That is an issue I had not thought of . Even
> tho the intake surfaces are at the correct angle, will it mis align
> the bolt holes and port match????  I can't quite get my foggy brain
> around that.
> 
> Don D. said with stock 1978 passrmger car 440 heads (8.2 C.R. ?)  that
> 60 thou. milling would wake that engine up. What he did not say was
> what the comp ratio would be or what else would need to be done to
> make it all fit together correctly.  I am kinda thinking about a 30-40
> thous. milling.
> 
> Any other input is welcome.....Thamks....................MO
> 
> On Jul 11, 7:57 am, Dodger7...@xxxxxxx wrote:
>> Mo,,,,,,, if memory serves,,,, this is  the correct formula, am sure  that
>> the machine shop that does the milling will know for sure, and as I recall  
>> you can go up to  about .060 before causing push rod problems
>> 
>> mill the intake surface of the head 0.0095 inches for every 0.010 you take  
>> from the deck/head surface.
>> 
>> In a message dated 7/11/2011 12:10:07 A.M. Central Daylight Time,  
>> 
>> mic...@xxxxxxxxxxxxxxx writes:
>> 
>> i HEAR  THAT WHEN MILLING HEADS, YOU CAM ALSO MILL THE INTAKE MANIFOLD
>> SIDE OF THE  HEAD TO CORRECT
> 
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