[DeTomaso] [SPAM]Re: Straight up.....

[Robert Simpson]

Man, that was a nice post.  I was reading your post and could picture myself 
in the car as you were driving.  Thanks for the post, I am hoping to have my 
Pantera on the road within the next six months.  Thanks for giving me 
something to look forward to.
Best regards,

Bob Simpson
Hemet CA
#3468
----- Original Message ----- 
From: <cengles at cox.net>
To: "Charles McCall" <charlesmccall at gmail.com>
Cc: <detomaso at realbig.com>
Sent: Thursday, February 12, 2009 7:36 AM
Subject: [SPAM]Re: [DeTomaso] Straight up.....


>
> Dear Charlie,
>
> You wrote:
>
>>*****Here's a question for the engine experts. If you car can exhale more
>>due to modifying the exhaust, that means it can inhale more.
>>
>>
>>
>>Would you need to modify carb jetting as a result ? If it's breathing in
>>more air with the same quantity of fuel, is there a risk of running lean ?
>>
>>
>>
>>Or even if that isn't the case, in order to take advantage of the 
>>increased
>>airflow, would you need to increase jet size to gain the potential hp ?
>
> Those are all good questions. As I understand it, there would be four 
> choices. One: leave it alone. Two: seat of the pants and rule of thumb 
> modifications to the carb & timing. Three: chassis dyno tuning. Four: use 
> of an air-fuel meter (is that right?) a modern contraption that provides 
> some real data about the combustion efficiency via the exhaust gas 
> analysis.
>
> Of those, the chassis dyno would be my choice. Dumb question: are you 
> aware of any chassis dynos in your city in Spain?
>
> Warmest regards, Chuck Engles
>>
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