350 vacuum modulator

Started by enjenjo, March 03, 2010, 10:01:27 PM

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enjenjo

What do you do for a vacuum modulator on a supercharged engine? Hmm?
Welcome to hell. Here's your accordion.

Crosley.In.AZ

I pulled a vacuum source under the carbs of a 6-71 blower setup.

What type of super charger setup  are we working with?
Tony

 Plutophobia (Fear of money)

enjenjo

It's a 6-71 by either Hampton or BDS, it has one of each end plate. Dual 600 holleys on top.

So, I can pick up vacuum between the carbs and blower?
Welcome to hell. Here's your accordion.

Crosley.In.AZ

Quote from: "enjenjo"It's a 6-71 by either Hampton or BDS, it has one of each end plate. Dual 600 holleys on top.

So, I can pick up vacuum between the carbs and blower?


that is what I have done  on street applications.  Blown big and small block chevys...  t-350  and a t-400  transmittins,


hang a   vacuum gauge  on it , see what is there
Tony

 Plutophobia (Fear of money)

sirstude

BDS or B&M used to make a module that tapped under the blower and under the carb, and then gave the correct signal to the transmission.  A friend of mine had one in his 33.  


Doug
1965 Impala SS  502
1941 Olds


Watcher of #974 1953 Studebaker Bonneville pas record holder B/BGCC 249.945 MPH.  He sure is FAST

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