[DeTomaso] Minimum Idle Vacuum?

[John Taphorn]

Art

My 408 with a cam employing a 106 lobe center and 232I and 238E at .050 
advanced 4 degrees gets 7lbs at 1000 RPM.

JT
----- Original Message ----- 
From: "Art Stephens" <artstephens at charter.net>
To: <detomaso at realbig.com>
Sent: Tuesday, November 27, 2007 12:08 PM
Subject: [DeTomaso] Minimum Idle Vacuum?


>     I'm trying to fill out a cam questionnaire and it asks little idle 
> vacuum I will accept?  How the heck do I know?  I've seen numbers ranging 
> from 12-20 or 22 inches of mercury.  My car is a street car,  and I would 
> like to have it be able to idle at maybe 700-800 rpm?  Of course I want 
> this 408 stroker Cleveland to be fast but more importantly I want low to 
> mid range torque and throttle response.  I see no reason to rev it over 
> 6000 rpm.  So,  any ideas as to how much vacuum I need to operate those 
> power brakes?
>
> Thanks,
> Art
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