Vacuum for 400TH with Victor Jr. Manifold

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May 16, 2001 | 10:02 AM

Changa2

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Joined: Feb 2001

Posts: 140

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From: Muskegon, MI

Vacuum for 400TH with Victor Jr. Manifold

My buddy is preparing a Big Block with a 400TH for the strip. He just recieved a Holley 4510 (950cfm) and Victor Jr. intake manifold and niether one has any provision for Vacuum.

What do you do for transmission vacuum?

May 16, 2001 | 05:38 PM

transfixleo

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From: Webster, N.Y.

You could drill and tap the manifold and put a nipple on it.

May 16, 2001 | 06:05 PM

SS-84

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Joined: May 2001

Posts: 137

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From: Atlanta, Ga,USA

Car: 1992 RS

Engine: 305

Transmission: 700R-4 when it works

Or you could get a carb spacer like this one inch aluminum From Mr.Gasket at jegs
http://www.jegs.com/cgi-bin/ncommerc...%202317%202329

May 17, 2001 | 06:46 AM

Pro Built Automatics

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Joined: Jul 1999

Posts: 3,484

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From: Calimesa, California, U.S.

By changing to a carb spacer, this will change the characteristics of the carb/cam/manifold. Just do what transfixleo tells you, and you will be fine.
Hope This Helps!!!