power brakes
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Joined: Mar 2007
Posts: 301
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From: York, PA area
Car: 84 Trans Am
Engine: 383 Stroker
Transmission: Th350
power brakes
as u may know i just got a new motor installed but having problems with power brakes not having enough vacum at idle. my question is if i hook the pcv valve back up will that give me more vacum or do i need to get a vacum canister.
Supreme Member
Joined: Jan 2009
Posts: 1,126
Likes: 0
From: Columbus Ohio
Car: 91 Z28,64ImpalaSS4094spd,67 Galaxy
Engine: Dart 415Profiler hd,cmprlrs,Hlly750
Transmission: Built 700R4, 3200 stall
Axle/Gears: 3:89 Moser 9"
Re: power brakes
I had to get a canister, it works well...
Joined: Mar 2008
Posts: 557
Likes: 15
From: Lincoln, NE
Car: 86 Z28
Engine: Built 312
Transmission: T5
Axle/Gears: 10 bolt 3.42
Re: power brakes
Is the check valve/filter looking deal bad on your line from the intake to the booster? How many inches are you pulling at idle?
Thread Starter
Member
Joined: Mar 2007
Posts: 301
Likes: 0
From: York, PA area
Car: 84 Trans Am
Engine: 383 Stroker
Transmission: Th350
Supreme Member
Joined: Sep 2002
Posts: 9,192
Likes: 19
From: Cary, North Carolina
Car: 1992 RS
Engine: Carbed 350
Transmission: 700R4
Axle/Gears: 3.42 posi
Re: power brakes
Vac guage avail at any parts store for under $10. Might try increasing timing some, and setting isle adjustment lower to compensate idle - I did this on my car to get more vacuum.
Thread Starter
Member
Joined: Mar 2007
Posts: 301
Likes: 0
From: York, PA area
Car: 84 Trans Am
Engine: 383 Stroker
Transmission: Th350
Thread Starter
Member
Joined: Mar 2007
Posts: 301
Likes: 0
From: York, PA area
Car: 84 Trans Am
Engine: 383 Stroker
Transmission: Th350
Re: power brakes
So I ordered a cannister from summit. Instructions say about keeping the vacum brake filter if equiped. Is that the black thing or is that the check valve. If check valve do I need to keep it in the line
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Supreme Member
Joined: Jan 2009
Posts: 1,126
Likes: 0
From: Columbus Ohio
Car: 91 Z28,64ImpalaSS4094spd,67 Galaxy
Engine: Dart 415Profiler hd,cmprlrs,Hlly750
Transmission: Built 700R4, 3200 stall
Axle/Gears: 3:89 Moser 9"
Re: power brakes
Keep checkvalve/filter inline, clean w/brakecleaner if needed, they do get dirty over time....
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