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Technical help

How to adapt the VT Master Cylinder to early model Commodores

Started by RB30-POWER · 13 Apr 2008 · 339 replies

Preserved from CalaisTurbo (partial recovery). Original authors and dates are shown; archived members are not current Holdcom accounts.

5spdvlArchived member
Has anyone purchased the complete kit from RaceBrakes Sydney? http://racebrakessydney.com.au/brake_kits.html
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5spdvlArchived member
Bump? I'm waiting for them to get back to me with a price. If it's heaps, I'll try Holden. Can anyone confirm if there is both an ABS and non-ABS VT master cylinder? Ok, haven't heard back from Race Brakes Sydney yet, but... Booran Holden (Cheltenham) quoted me $177 + GST for the VT master cylinder (in stock; one listing only?), and $204 + GST for the VS V6 brake booster (not in stock). Hopper Stoppers wanted $36 for all three line adaptor fittings (BQ40A, a kit with all three; in stock). $455.10 all up. Ok, got a response from Race Brakes Sydney. The kit they do is for the VT master and VT metal booster (twin diaphram), not a VS V6 booster. I was quoted $690 delivered. So it all depends on what booster you want to use. Some original photos have not been recovered yet.
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GregaArchived member
i picked up the adaptors from hoppers stoppers, 36 bucks in stock all good.
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5spdvlArchived member
Yep, that's what I was quoted today. I really cbf driving all the way over to Hoppers, I think I'll get them to post them.
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GregaArchived member
5spdvl, not hard to get to. take the westgate out to hoppers crossing, first turn off keep following it around to the grand car wash and you're there. easy to get to and right back on the freeway
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5spdvlArchived member
Yeah, but I live on the otherside of the city. =P I got a friend that lives in Hoppers, it's always such an effort to visit.
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ILKArchived member
Just a quickie bout the master. is VT non ABS master the same as the ABS one. Cheers
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5spdvlArchived member
Quote: Originally Posted by ILK Just a quickie bout the master. is VT non ABS master the same as the ABS one. Cheers VTs were only built with ABS. Therefore, there is no non-ABS VT master cylinder. Check with Holden if you don't believe me.
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ILKArchived member
I believe. I didnt think any came out without ABS. Just some parts on Ebay. some ads say 'non ABS' But we all kno ebays rep. cheers guys.
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RB30-POWERArchived member
vx model came with abs across the range. vt did not. the masters are the same however, just on non abs models, the bung/blank screw is removed so both ports can be used for front brakes. abs models have this bung screwed in and only uses two lines that feed into the abs unit.
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ILKArchived member
Quote: Originally Posted by RB30-POWER vx model came with abs across the range. vt did not. the masters are the same however, just on non abs models, the bung/blank screw is removed so both ports can be used for front brakes. abs models have this bung screwed in and only uses two lines that feed into the abs unit. Cheers. I had mixed results on this one....
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5spdvlArchived member
Quote: Originally Posted by RB30-POWER vx model came with abs across the range. vt did not. the masters are the same however, just on non abs models, the bung/blank screw is removed so both ports can be used for front brakes. abs models have this bung screwed in and only uses two lines that feed into the abs unit. Holden spare parts - as useless as an ashtray on a motorbike.
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NZ VL comArchived member
Quote: Originally Posted by RB30-POWER vx model came with abs across the range. vt did not. the masters are the same however, just on non abs models, the bung/blank screw is removed so both ports can be used for front brakes. abs models have this bung screwed in and only uses two lines that feed into the abs unit. are you saying that the VX^ can be used by taking the bung/blank screw out? can it be that simple?
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ILKArchived member
Can i use the V8 Booster from VN-VR??
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NEOLDENArchived member
some very usefull info in here
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ILKArchived member
Didnt think you could. But have been told it can be done????
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boostin01Archived member
has anyone done this to a vn/vp commo, or know someone who has?
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TheChadArchived member
Quote: Originally Posted by RB30-POWER vx model came with abs across the range. vt did not. the masters are the same however, just on non abs models, the bung/blank screw is removed so both ports can be used for front brakes. abs models have this bung screwed in and only uses two lines that feed into the abs unit. so woah woah woah. too many people saying conflicting things here. i'm going to go by what you say simply because its your thread and the people who have followed what you have said to the letter have all come back saying wow great improvement etc. what is the vt MC you need? and howcome people are reporting the vt res doesnt fit? do i want the abs or the non abs vt mc? and with this you are saying the vs res will fit? thanks, just want to clear it up before i hit up some wreckers/start trying to organise fittings being posted across aus.
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RB30-POWERArchived member
get a vt master, mine was an abs model, i had to remove the bung for the second front brake line port on the master for the front brake lines on the vl, like i described earlier. the reason you use the vs resevoir is because you can fill it better because it suits the angle of the vl firewall. if you leave the standard vt resevoir you will find that the fluid can only be filled a certain amount because of the funny angle it sits on. you don't have to change it, but it gives a far better result if you do. the resevoir has a single bolt underneath that you undo and pull the plastic resevoir out of the grommets, easy.
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VLWAGONITArchived member
what is needed 2 put a set of vt calipers on a vlt? iv got a complete set of calipers and maser cylinder and my m8 wants it for his calais turbo
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