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Old 10-02-2018, 08:41 AM   #1
iride813
 
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Stock brakes with no vacuum pump.

Need to figure out some temporary brakes for my drag truck. It is a 95 12v. I have deleted vacuum pump and was wondering whatís the best way to make the factory brakes work decent enough to race the last race before season stops. After this season going to full disc setup. I was thinking of going to an electric vacuum pump has anyone done this? Honestly havenít ever done much with brakes so any help is appreciated!
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Old 10-02-2018, 10:45 AM   #2
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Put a 96-02 hydroboost unit on there and run it off your PS pump
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Old 10-02-2018, 11:40 AM   #3
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Quote:
Originally Posted by bigstacks95 View Post
Put a 96-02 hydroboost unit on there and run it off your PS pump
x2
They'll outperform the vacuum too.

Also, please don't go down the track with no sort of brake booster! ;-)

One last thing you could do, toss the vacuum brake booster on and put an electric vacuum pump to give it a charge.
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Old 10-02-2018, 11:44 AM   #4
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I was thinking an electric vacuum pump would probable be ok, if you had a decent sized reservoir with it.
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Old 10-03-2018, 10:30 AM   #5
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I'd do some trial and error. Most vacuum brake boosters will allow for two full pumps of the brakes. Go pull the line from the vacuum pump and try. The line will have a check valve in it.
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Old 10-03-2018, 01:34 PM   #6
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Originally Posted by bigstacks95 View Post
Put a 96-02 hydroboost unit on there and run it off your PS pump
I am not running power steering either. Thatís why I was asking about an electric setup.
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Old 10-03-2018, 01:38 PM   #7
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Quote:
Originally Posted by CorneliusRox View Post
x2
They'll outperform the vacuum too.

Also, please don't go down the track with no sort of brake booster! ;-)

One last thing you could do, toss the vacuum brake booster on and put an electric vacuum pump to give it a charge.
Thatís what I was asking if anyone has ran an electric vacuum pump on one of these trucks and how well it worked
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Old 10-11-2018, 12:12 PM   #8
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Anyone??
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Old 10-11-2018, 06:42 PM   #9
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You could swap to a universal master cylinder that is non-boosted. It will have a larger piston and should work well. I'm in the process of 5 lug/rack and pinion conversion on my 94 drag truck. I am running a 98 ps pump so I will have power r+p and power brakes, but I was originally considering a non boosted remote master cylinder when I was planning a mechanical r+p.
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Old 10-11-2018, 07:47 PM   #10
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Vince also ran mostly stock 2wd stear gearbox no power steering before the swap every time I've seen. Better have some pull to ya, slow driving.
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Old 10-13-2018, 12:25 AM   #11
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Vince also ran mostly stock 2wd stear gearbox no power steering before the swap every time I've seen. Better have some pull to ya, slow driving.
It doesnt feel bad at all to steer. Braking is my only undecided issue. Planned to go full discs but really wanna run this race. Iíll probably look into a diff master cylinder
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Old 10-15-2018, 07:47 AM   #12
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Originally Posted by iride813 View Post
It doesnt feel bad at all to steer. Braking is my only undecided issue. Planned to go full discs but really wanna run this race. Iíll probably look into a diff master cylinder
The steering on mine was totally fine without power assist when driving around/moving. Absolutely brutal to park or do a very tight low speed turn.
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Old 10-16-2018, 10:12 AM   #13
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The steering on mine was totally fine without power assist when driving around/moving. Absolutely brutal to park or do a very tight low speed turn.
Thatís odd. Mine even with a smaller diameter steering wheel I can turn sitting still fairly easy
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