And I can personally attest to having taken 0.250" (yes 1/4") off of one.
I think the next one I do will be a bit less radical. :) and yes, I'm still
looking for a late head.
Bob
On Thu, Aug 4, 2011 at 12:26 PM, Charly Mitchel
<charly@mitchelplumbing.com>wrote:
> More 6 cylinder head info
> Charly Mitchel
> ----- Original Message ----- From: "Robert M. Lang" <lang@isis.mit.edu>
> To: "Charly Mitchel" <charly@mitchelplumbing.com>
> Sent: Thursday, June 16, 2011 8:17 AM
>
> Subject: Re: [CWE] 6 cylinder head
>
>
>
>> Hi Charly,
>>
>> I won't comment on cwe right now...
>>
>> Regarding head thickness, Richard Good has a pretty good table on his web
>> site (www.goodparts.com) that can be used as a guideline, but keep in
>> mind that production of TR6 heads is far from perfect (owing to multiple
>> foundries and some other details), so the actual volume of the combustion
>> chambers can vary a few cc's here and there.
>>
>> The late heads (73 and later) for US federal emmision specs were cast /
>> finished at over 3.550 thickness to get the 7.75:1 compression ratio. YOu
>> have to mill a crap load of metal off those heads to get resonable
>> compression gain.
>>
>> I hope this helps!
>>
>> rml
>> ------------------------------**------------------------------**
>> ---------------
>> Bob Lang Triumph TR6!! | This space for rent
>> Former NER Solo Chair |
>> Voice:617-253-7438 | Cell: 339-927-4489
>> ------------------------------**------------------------------**
>> ---------------
>>
> ______________________________**_________________
> fot@autox.team.net
>
> http://www.fot-racing.com
>
> Donate: http://www.team.net/donate.**html<http://www.team.net/donate.html>
> Archive: http://www.team.net/archive
> Forums: http://www.team.net/forums
> Unsubscribe:
>http://autox.team.net/mailman/**options/fot/bownes@web9.com<http://autox.team.net/mailman/options/fot/bownes@web9.com>
_______________________________________________
fot@autox.team.net
http://www.fot-racing.com
Donate: http://www.team.net/donate.html
Archive: http://www.team.net/archive
Forums: http://www.team.net/forums
|