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Author Topic: commodor discs to hr front end  (Read 5595 times)
parry
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« on: December 24, 2014, 08:11:39 PM »
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Hi all just finished modifying my VN commodore diff fits in well so easy to shorten now to the front end do I need to change my stub axles to HQ to fit VN discs have HG on at present.
Parry
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mcl1959
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« Reply #1 on: December 24, 2014, 08:26:38 PM »
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Parry, the VN discs fit OK on the stubs, it's the calipers which need a custom mounting bracket. Even if you use the HQ stubs, you will still need a bracket for the calipers.
Commodore discs are slightly smaller in diameter, thinner and have a different offset.
Ken
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parry
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« Reply #2 on: December 24, 2014, 09:04:47 PM »
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Thanks Ken the VN calliper sits in the same place as the HG but only one bolt hole  lines up ,can't see how u can make an  adapter for this
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NES304
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« Reply #3 on: December 24, 2014, 09:55:19 PM »
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Adapters are readily avail from v6conversions and are relatively cheap
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hsv-001
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« Reply #4 on: December 25, 2014, 09:05:16 AM »
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We used to make them to fit the drum brake stubs so as to have the large bolt hole at the top as the other mounting point .Cheers Haydn
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fe350chev
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« Reply #5 on: December 25, 2014, 09:47:29 AM »
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If I was home I could take a pic of my stubs. But I'm away.
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Deano

Current Rides: 1958 "Black and White Taxi" FC special Sedan, 1957 FE special Sedan, BA Futura,  2015 VF Commodore, 1956 Austin Tipper Truck
FCRB26
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« Reply #6 on: December 25, 2014, 07:00:25 PM »
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Heres a blank one I havent drilled and tapped yet

Top hole is bolt on the top of the stubb
Front 2 calliper
Lower 2 steering arm
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FireKraka
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« Reply #7 on: December 28, 2014, 01:42:23 PM »
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My 2cents worth on this subject.
Just remember if you use the drum brake stub axles you have to machine down the top mounting hole spigget so that the adapter plate 1 sits in the same plane as the lower steering arm mounting holes and 2 by doing this it should line up the caliper with the disc.
I have gone this way with my EK ute and it works great.
My FC sedan runs HZ/WB stub axles and the girl ok aluminium caliper this also works great.
Regards
Neil H
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fe350chev
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« Reply #8 on: December 28, 2014, 06:50:17 PM »
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Have u noticed much difference between the performance of hz vs commo brakes?
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Deano

Current Rides: 1958 "Black and White Taxi" FC special Sedan, 1957 FE special Sedan, BA Futura,  2015 VF Commodore, 1956 Austin Tipper Truck
parry
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« Reply #9 on: December 29, 2014, 02:09:54 PM »
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I've got HG disc set up and have changed to commodore VN discs and callipers. The bracket Guru posted looks interesting will this effect your steering , what calliper do you recommend I have both VN & HG here was looking at putting a spacer in the HG callipers and putting them back on as there twin piston.
Parry
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