[DeTomaso] 351C questions

John Taphorn jtaphorn at kingwoodcable.com
Sat Dec 19 08:15:00 EST 2009


Goran

It is time to modify the approach on your website.  It is now so large and 
since it has to completely download on each visit, the download times 
necessary to get to your "News" section is a deterrent to visiting.

Help us out, there is too much good info on it.

JT
----- Original Message ----- 
From: <hemipanter at hemipanter.se>
To: "Tony DiGiovanna" <tonydigi at optonline.net>
Cc: "'DeTomaso Forum'" <detomaso at realbig.com>
Sent: Saturday, December 19, 2009 4:39 AM
Subject: Re: [DeTomaso] 351C questions


> If I understand the C4V exhaust issue right, it is the roof of the exhaust
> port that is the restriction problem. Not only has it things to grind away
> but also a sharp "down bend" to the header entry. I was surprised to see
> that the header of "PEDER" Pantera as corrected by adjusing the header
> inlet by a sharp welding operation at the roof, in place of moving the
> tube to a better location and maybe correct the lower portion of flange.
> Pic:s on my site are not very good so I may shoot another one if you wish
> to see. Othervice it is a very nice header job, whoever made it.
> Goran
>
>> I've never figured its intent, but I am convinced grinding it away is a
>> significant improvement in exhaust port flow.  There is not a
>> corresponding
>> form on the other side of the casting wall, so you can grind it away 
>> flush
>> with the port roof without any issue.
>>
>> -----Original Message-----
>> Doug Braun
>> What's the casting "bump" needed for that's at the top-center of the 
>> roof,
>> 1.5" in from the exhaust manifold surface of each exhaust port?
>>
>>
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