[TR] TR2 conversion to disc brakes

[Al Salvatore]

I've used the pistons from TRF and BPNW; on TR6's.

They both work great.

Al


----- Original Message ----- 
From: "Chris Simo" <ccsimonsen at gmail.com>
To: "list Triumph" <triumphs at autox.team.net>
Sent: Wednesday, January 11, 2012 7:34 PM
Subject: [TR] TR2 conversion to disc brakes


> Hi All -   I've looked through the archives and have not seen much on this
> topic.
>
> Finally time to get moving on my conversion to disc brakes on the TR2.
>
> I have 2 front suspension assemblies that were ruthlessly cut from a TR3
> and also have a distribution 5 way tee fitting with the  the long standoff
> and brake switch and all mating fittings.
>
> I will retain the lockheed master cylineder - but hope to just fit new
> pipes with lockheed on one side and girling on the other to adapt.
>
> Do you have  any words of wisdom - i.e did you have to add any brackets or
> make any other special provision?
>
> Also - could use some detail pics of TR3's with disc brakes - especially
> where the flex hoses terminate and where the 5 way junction mounts.
>
> As an update -- Bill Lynn of VTR got me my Build record on the TR2 and the
> engine number matches my title number - things are looking up - I'm not
> making any modifications until I get the title but preparation continues.
>
> As an aside - the front suspension assembiles that I got were terribly
> rusted and caked with dirt and who knows what else - They were on the 
> earth
> in a barn for many years - I've been squirting them with penetrating oil
> every day for the last few days. . I gave them a quick sandblast to remove
> dirt and gunk and took the impact wrench and hammer to the ball and tie 
> rod
> joints. A few hefty blows with the BFH and all the tie/ball joints came
> apart neatly. - The bleed screws and hoses came off each caliper (the tr3
> version without external piping) but I broke the bolts that hold the pads
> in place.
>
> All that done - time to see what I had - I spent about 5 mins and blasted
> each caliper a bit more - especially around the pistons - Yuck - just a
> toothy rusted mess - I filled each with aero-kroil - again 30 year old
> gallon can from years ago. and let them sit for while - hopeful that they
> were not leaking around the pistons.  After a few hours, I went to work -
> nothing - clamps did not move them - hammers and chisels - I decided to 
> try
> the grease gun approach - I took one of the grease fittings from the
> discarded trunnions and took one of the hydraulic hoses and mated them
> together with by shortening the fitting and tapping with 5/16 tap similar
> to the threads on the trunnion  - put it all together and..... it leaked.
> Plumber solder and flux and got a good seal.   It worked great - I saw one
> move and clamped it down until the other moved - then just pumped until
> each was out as far as possible - I could see clean chorme on the pistons!
> Now to spend a few hours picking the rubber and rust out of the calipers
> for the dust seal - that part of the caliper is really quite rusted but
> most of the groove is still intact.
>
> Anyone tried the BPNW pistons - they have some kind of plating that sounds
> cool - and do you know if they work on the TR3 calipers?
>
> Thanks,
>
> Chris
>
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