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all show, all go with a 383
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i am going to be upgrading my brakes from manual drums all around to powered discs all around. i was wondering what would be better to run to help the vacuum. My motor is a 383 with a .510 lift and 240 246 duration, so i don't have a lot of vacuum. I was looking at running a vacuum canister, but then i cam across a vacuum pump. I was curious to know which would be the better choice, I was leaning towards the canister, just because its one less thing powered by the alternator. let me know what you think.
 

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5,653 Posts
I suggest the pump ...
Most power brakes require at least 12 to 14 inches of vacuum ... :D
 

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Get in, sit down, hang on
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2,785 Posts
Hydroboost

I'm going to run hydroboost brakes on my truck project for exactly the same reason. (low vacuum) Hydraulic pressure is supplied by my power steering pump.

Other advantages:
Small firewall "footprint"
Powerful
Reliable

My system is composed of reman parts ordered to fit a 1979 C1500, along with a few things from the scrapyard ... see my journal for pictures and part numbers. (bottom of page 2, top of page 3 at present)

You could also order it all brand new from Hydratech
 
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