[Healeys] BJ8 Brake Servo

[David Porter]

Power brake  in (San Jose)  408-292-1305  is really good at repair of 
the old Girling boosters and have substitutes available

Dave


On 8/2/2016 5:44 PM, Stephen Hutchings wrote:
> I have a feeling that my PBR booster, which I installed a number of 
> years ago, was not the same ratio as my old Girling.
> The Girling had given up, and had multiple problems, but I clearly 
> remember that back when it was working it had a much more satisfying 
> "bite"- less effort than the PBR.
>
> After reading your post, I will be looking to see if I have the little 
> rubber elbow hose!
>
> Stephen, BJ8
>
> ------------------------------------------------------------------------
> *From:* Earl Kagna <kags at shaw.ca>
> *To:* Healey List <healeys at autox.team.net>
> *Sent:* Monday, August 1, 2016 9:18 PM
> *Subject:* Re: [Healeys] BJ8 Brake Servo
>
> A few years ago, several Healey owners here installed PBR VH40 
> boosters in our BJ8’s.  We sourced them at:
> http://www.hydroboost.com.au/prices.htm
> in Australia.  I learned some interesting things in the process – the 
> important one is that the VH40 booster is made in several different 
> versions with different boost ratios.  It means that you have to be 
> sure that the one you buy has a matching boost ratio as the original 
> Girling for it to work properly in your BJ8.  (the earlier Healeys 
> that had optional boosters installed would use a VH44 that would match 
> the earlier smaller Girling).
> These boosters are diaphragm units, which means that a vacuum loss 
> will lock the brakes on – sometimes not the best scenario! – ask me 
> how I know about this.  Turns out that there were some defective small 
> rubber elbow hoses – the one that connects the two sections of the 
> unit.  They were split on installation at the factory.  The fix was 
> easy – shorten the steel pipe leading up to the valve body and use a 
> length of quality vacuum hose and a couple of hose clamps.
> We have found the PBR VH40 to be an excellent replacement for the 
> original Girling – I’m told that it’s getting increasingly difficult 
> to find quality rebuild kits for the Girling. So in the interests of 
> safety, a replacement booster is preferable in most respects.
> The above web-site will answer quite a few questions for you.  We had 
> mounting bracket kits and pre-bent brake pipes sent with the boosters 
> – the brackets were Kilmartin pieces at the time.  So basically the 
> whole thing was a bolt in proposition.  A slightly longer (about 4 
> inches) vacuum hose is required to connect the booster to the manifold.
> Incidentally, the PBR booster has a bleed screw right on it, which 
> makes things a bit easier when bleeding the system.
> I am happy with the braking feel of my BJ8 with the PBR booster 
> installed.  I’m pretty sure that they can be sourced in North America.
> Earl Kagna
> Victoria, B.C.
> BJ8, BT7 tri-carb
> *From:* Randy Hicks <mailto:healey100m at me.com>
> *Sent:* Sunday, July 31, 2016 1:24 AM
> *To:* Healey List <mailto:healeys at autox.team.net>
> *Subject:* [Healeys] BJ8 Brake Servo
> Hi, have a friend needing to replace a BJ8 brake servo (booster).
>
> Suggestions and sources needed.
>
> I have PBR (VH40, I believe) on my BJ8 and happy with that for 7-8 
> years. Are these still available? Where?
>
> Randy
>
> Randy Hicks
> www.austinhealey100m.com <http://www.austinhealey100m.com/>
> '56 100 M  White/Black
> '56 100 M  Florida Green/OEW “Irene"
> '65 BJ8
> '53 MGTD
> '77 450 SL
> Healey100M at me.com <mailto:Healey100M at me.com>
>
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> ------------------------------------------------------------------------
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-- 
Dave Porter Porter Custom Bicycles 2909 Arno St. NE Albuquerque, NM 
87107 505-352-1378 Go HERE: my world www.porterbikes.com/
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