Vacuum source for brake booster

Joined
Apr 2, 2011
Messages
35
Location
Reno, NV
Hey all,

I am converting my unboosted 1970 cruiser to power brakes. It has a chevy 350 engine with a quadrajet carb, and I am looking for a manifold vacuum source for the brake booster.

The port on the manifold itself is currently being used for the thransfer case shifter. I do not want to "t" into this line. There is a large threaded plug fitting on the back of the carb at the base.

Based on what I have read about manifold vacuum ports on quadrajets, this should be a source for manifold vacuum? My question is, can I install a nipple fitting here and use this as a source to run the line for the brake booster?

Thanks,

Dave
 
Joined
Nov 6, 2007
Messages
2,563
Location
in my little world
well it all depends if you want vacuum or suction. it also depends on weather you want 10psi or 20 psi. it also depends on weather its facing north or south because east is better that way it flows uphill better. hope this answers your questions
 
Joined
Apr 2, 2011
Messages
35
Location
Reno, NV
well it all depends if you want vacuum or suction. it also depends on weather you want 10psi or 20 psi. it also depends on weather its facing north or south because east is better that way it flows uphill better. hope this answers your questions

I'll take whichever of the cardinal directions that allow me to hook up the booster! ;)
 

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