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#1 marko1au

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Posted 15 November 2018 - 08:19 AM

ive decided that my sons lx build is going to need a brake booster, will any electric booster suit or do i need to acquire a specific type .... every thing ive looked up suggests that all boosters run in the 18 - 22 ins vacuum ....... is the torana any different. i had a quick look through the posts and couldn't see anything relating to this .............. if there is could someone please point me in the correct direction 



#2 dattoman

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Posted 15 November 2018 - 08:55 AM

Yep

Get a VE V6 pump



#3 marko1au

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Posted 16 November 2018 - 07:24 AM

thankyou for your reply dattoman ....... ill look into getting one



#4 marko1au

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Posted 20 November 2018 - 12:36 PM

Okay i have the ve pump organised to pick up tonight ......... do i need a vacuum pressure switch inline or are these setup to work okay without ....... thankyou in advance


Edited by marko1au, 20 November 2018 - 12:36 PM.


#5 duggan208

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Posted 21 November 2018 - 11:39 PM

So the VE V6 vacuum pump is electric.

regards



#6 marko1au

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Posted 22 November 2018 - 07:56 AM

duggan208 ........ that is correct 



#7 marko1au

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Posted 29 November 2018 - 06:23 AM

just to update ........ vacuum pump is from a series 2 ve or vf commodore .....



#8 bat 53

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Posted 01 December 2018 - 07:35 PM

if you go 4 posts down in this section there is a full discussion on the subject



#9 rodomo

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Posted 01 December 2018 - 09:40 PM

http://www.gmh-toran...mps-for-brakes/

#10 marko1au

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Posted 04 December 2018 - 04:47 PM

okay ive sourced the vacuum pump, second hand from wreckers in vic ........ ive tested it and it works ....... now im in need of vacuum control switch ....... ive looked around and other than exactly what i need is in the US of A but postage is almost twice the unit cost ........ and i cant find anything in aus ...... well when i say i cant find anything i mean anything that gives good description of the switch ........ anyone know where to go for these please ...



#11 mick_in_oz

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Posted 05 December 2018 - 06:41 PM

Lots of suitable switches available, BUT, are you after something that will work, or something that is like a factory thing with plug etc?

 

I used something like this, but I'd have to dig out the actual part number to know which one it was.

 

https://au.element14...TP_LastViewed_1

 

It is adjustable via a grub screw down inside the vacuum port so you can set the point at which it switches off.



#12 bat 53

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Posted 06 December 2018 - 09:23 AM

if you check out the vf they have a pressure switch on the booster plug 

i pad died so can't do a photo 

 

cheers bat



#13 marko1au

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Posted 06 December 2018 - 10:03 AM

Mick_in_oz ..... im after a switch that is preferably set with the vacuum settings, im after aftermarket  that will switch on and off the pump ...... from my understanding on at 16 ins or below and off at 22 ins. also on another thread someone tried the vf pressure switch and couldnt get it to work in and aftermarket situation ....... if their is a way to get it to work ......... im all ears ..... my other issue is that im having trouble with converting from vacuum ins to psi and mpa .... EV Power Brakes in the US of A have this one http://www.evwest.co...lude85ps0nr9pm2 ........



#14 marko1au

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Posted 06 December 2018 - 10:06 AM

Vacuum Pump Pressure Switch for EV Power Brakes
[Vac Switch] Price:  $38.99
This switch will keep your electric vacuum pump running between 17-20 psi which is the perfect operating vacuum for all standard vacuum assist brakes. With a simple one wire design, the switch throws a ground signal when the pressure is below 16 psi to activate the pump relay. Housing must be grounded, includes crimp pin for connector.  
 
this is a better description and the price is in usa dollars .......... postage was around $72 in usa dollars ......


#15 mick_in_oz

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Posted 06 December 2018 - 07:39 PM

This is the actual switch I am using on my Vac pump.

 

https://au.element14...ustralia/search

 

Switch provides a change over contact, I've simply put the contact in series with the Vac pump power, it could switch positive or negative.

 

It doesn't have a large hysteresis, maybe only 2"Hg, I have it set to about 18 or 19" Hg, works a treat.

There is another thread on here somewhere that has a couple more pics of my setup.

 

 

Attached Files



#16 marko1au

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Posted 07 December 2018 - 04:02 PM

Thankyou Mick_in_oz

                                 ill assume you have set the hg by using a vacuum gauge ........ and how did you wire it up ....... does this work both ways, as in it turns on at approx 16 hg and switches off at 22 hg ........



#17 mick_in_oz

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Posted 07 December 2018 - 05:42 PM

Setup with a syringe and a vacuum gauge on the bench.

Below the set point of 18 or 19"Hg the switch is closed, lets the Vac Pump motor run, at the switch point it opens and turns off the pump till the vacuum falls a few inches of Hg and it comes on again and so it goes.....

 

The switch is simple in series with the positive lead to the pump, could be in the negative lead if you prefer.

My switch was several years ago now, but I paid about half what they are worth now!

 

But if you download the data sheet it'll give you the necessary info to be able to cross reference it to any other switch.

My pump is a Hella UP28 series.






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