Triumph Sports Cars

engine swaps and other performance upgrades, plus "factory" V8s (Stag and TR8)

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Don Watson
West Virginia
(247 posts)

12/07/2007 07:45AM

Main British Car:
1974 TR6 Ford 5.0 HO

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Re: TR6 Rear Disc Brake Brackets, CAD files for the taking
Posted by: dwtr6v8
Date: February 14, 2018 08:36AM

A very nice conversion with a different take on the e-brake setup, take a look.

Good work Kelly!

Regarding E-brake, I used new stock TR6 cables from Moss; I machined a trunnion to thread onto the end of each cable and fit in the caliper ‘saddle’ to pull the e-brake mechanism. I used a 3/8” AN bolt - the unthreaded shank area. I think it is 4130 steel. Very strong. Drilled it with cobalt drill and tapped 1/4-28. I fabricated the brackets that attach the cable to the caliper from 1/4” x 1” cold rolled steel. Works perfectly. No modification to the cable necessary. Brake handle pulls up 4 - 6 notches for solid grab. Easy to adjust at caliper end as pads wear.

Also, I machined the caliper mounting brackets from 7071-T6 aluminum 3/8” thick. The alloy is much stronger per square inch than mild steel of the same thickness. Of course I upgraded the swing arm studs to 3/8”.

Here are some pix of the e-brake set up and my engine / cockpit. And yes, I know, I need to get the airbox I fabricated polished!

Thank you once again.

Cheers, Kelly
rear bracket.jpg
ebrake attachment2.jpg
ebake attachment1.jpg
engine bay.jpg
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