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Technical => Driveline => Disk Brakes => Topic started by: ethyl on June 22, 2013, 10:43:22 PM

Title: my variation on disk brakes
Post by: ethyl on June 22, 2013, 10:43:22 PM
I did a lot of reading here on this subject and even bought a conversion bracket kit to fit HQ on front
but thought maybe bigger would be better
(http://i79.photobucket.com/albums/j159/limo_photos/Bedford%20truck/bedford75_zpscd69c9a6.jpg)]


this uses a VT twin piston caliper but I have a 314mm ventilated disk and 6 stud wheels
I used the HQ brackets as a basis for the Commy bracket as the caliper is further out from stub with bigger disk

 (http://[URL=http://s79.photobucket.com/user/limo_photos/media/Bedford%20truck/bedford75_zpscd69c9a6.jpg.html)
Title: Re: my variation on disk brakes
Post by: Marky on June 24, 2013, 12:35:18 PM
Hi

Is this brake set up on a CFL?

was wondering coz i had heard rumours that HQ discs were being failed at rego because of  the reduced the stud pattern from 6 to 5 stud......

looking sweet tho  8)
Title: Re: my variation on disk brakes
Post by: ethyl on June 24, 2013, 07:14:48 PM
CF truck, pic in my avatar
Title: Re: my variation on disk brakes
Post by: Warren on June 27, 2013, 04:20:08 PM
Some more info on the conversion would be nice, like does it use the standard beddy hub, if not what one etc.

Warren
Title: Re: my variation on disk brakes
Post by: restoreid on June 27, 2013, 04:49:22 PM
Looks like a standard LWB hub & blank commodor disc redrilled to suit the beddie hub You would prob have to machine the back of the flange to make it true Would be a piece of piss
Title: Re: my variation on disk brakes
Post by: ethyl on June 27, 2013, 07:05:35 PM

all standard parts except bracket
standard Bedford stub axle
E series Mazda front hub
Pajero disk rotor
Commy VT caliper
manufactured plate with spacers to fit to stub axle and bolt caliper
( similar to HQ kit but 10 mm thick, further out from centre and the mounting holes are diff distance apart)
Mazda bearings with slight mod and spacers inside hub
Pajero rotor bolts straight on to Mazda hub
Title: Re: my variation on disk brakes
Post by: restoreid on June 27, 2013, 07:16:56 PM
How easy was that a was the inner bearing spaced or just the outer Were they standard mazda bearings or specials
Title: Re: my variation on disk brakes
Post by: ethyl on June 27, 2013, 08:31:51 PM
3 mm spacer behind inner bearing cone
6 mm spacer behind outer bearing cone
would like more but that is limt
6 mm spacer between outer bearing and nut to tighten
standard Mazda bearings machined/ground to fit Bedford stub
basically difference between metric and imperial
(bedford outer ID 1 inch=25.4 mm Mazda ID 25 mm)
grind out .4 mm= 16 th
inner bearing ID take out 4 th
over the counter seal Bedford ID Mazda OD
the Mazda bearings are actually bigger but hubs thinner
Title: Re: my variation on disk brakes
Post by: ethyl on June 27, 2013, 08:35:23 PM
the guy at bearing place said the inner surfaces were not critical as they just sit on axle and would be OK to grind
it is a hardened surface so grinding seems to work best
Title: Re: my variation on disk brakes
Post by: ethyl on June 27, 2013, 08:39:07 PM
I have a rear set of Disks as well but not finished yet
again with matching 6 studs
will post pics when done
Title: Re: my variation on disk brakes
Post by: Hooter on July 12, 2016, 09:07:26 PM
Umm.. I know this is a 3 year old post... but this combo is probably what I need on my CF250 duellie on the fronts... as it is 6 stud.
Does anyone know if the stock 6 stud truck style 14 inch rims will fit over this???
I will start another post also
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