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 18Likes
06-28-2018, 02:56 AM
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CC Member
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Join Date: Dec 2013
Cobra Make, Engine: Evans chassis, jag fr. & rear.
Posts: 149
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Not Ranked
Quote:
Originally Posted by Rebel1
Andy, Great thread and which reminded me to post this option for lightweight alternatives for Jag XJ6 front calipers:
Bolt on alloy replacements for the heavy cast iron XJ6 units.
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There's no feeling quite like re-inventing the wheel!
Rules and Regulations compliant?
Or have I missed something?
Dave |
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06-28-2018, 02:50 PM
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CC Member
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Join Date: Nov 2004
Location: Sydney,
NSW
Cobra Make, Engine: Classic Revival #3199. 366ci L76, T56 6 speed, Blue circle custom paint, Australias most original cobra 2009-2010
Posts: 2,396
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Not Ranked
Quote:
Originally Posted by dave295
Or have I missed something?
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Yup....12kg
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Proudly registered since 2013.
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06-28-2018, 09:20 PM
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CC Member
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Join Date: May 2002
Location: Brisbane Australia,
QLD
Cobra Make, Engine: RMC under re-construction, GenIV with tremec 600, Jag 3.31 L/S diff
Posts: 3,318
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Not Ranked
Quote:
Originally Posted by dave295
There's no feeling quite like re-inventing the wheel!
Rules and Regulations compliant?
Or have I missed something?
Dave
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Dave, you'd need to talk to an engineer to ascertain compliance.
I understand because the Cooper calipers were listed as an approved Jaguar replacement in UK that they are acceptable.
I believe the Tenrocca option would be the lightest setup you could possibly achieve for track/performance work using Jaguar XJ6 suspension/brakes.
The Cooper calipers were made as an optional choice for Jaguar XJ6 restorers wanting a performance caliper. They copy the e-type alloy caliper but milled to suit XJ6 caliper mounting etc. According to Cooper's they weigh less than half the XJ6 cast iron calipers but I no longer have any cast iron calipers to compare.
As an indication of weight the Cooper Calipers fully fitted with S/S pistons, seals, pads, pins and retaining clips (ie ready to bolt to the Jag uprights) weigh 4.7Kg. They also utilize standard jaguar parts so maintenance is a breeze.
__________________
It's impossible to soar like an eagle when you're surrounded by turkeys.
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06-30-2018, 06:43 PM
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CC Member
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Join Date: Aug 2001
Location: Melbourne, Australia,
Vic
Cobra Make, Engine: G-Force Mk I, 5L Windsor, TKO 600, enhanced Jag / Koni suspension & LSD Diff.
Posts: 2,300
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Not Ranked
Les
Do you know of anyone over here that has fitted those Cooper billet calipers?
You have caught my interest on these.
__________________
slowy
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06-30-2018, 09:10 PM
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CC Member
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Join Date: May 2002
Location: Brisbane Australia,
QLD
Cobra Make, Engine: RMC under re-construction, GenIV with tremec 600, Jag 3.31 L/S diff
Posts: 3,318
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Not Ranked
Quote:
Originally Posted by stephen low
Les
Do you know of anyone over here that has fitted those Cooper billet calipers?
You have caught my interest on these.
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Yep, Me  and I'm told many Jaguar restorers have used then.
Back a few years using adaptor brackets was frowned upon and as mentioned in past postings here on CC, authorities insisted that calipers be fitted with seals.
Coopers are a very helpful company when I dealt with them both by phone and email. They have been around for an age and there is a heap of info on their web site. Heaps of recent date testimonials can be found here:
Testimonials | cooper
I've not kept up with import regs but back a ways it was worth importing one caliper at a time to save on customs duties.
I would advise if you are looking for a Alloy caliper (lighter than the cast iron units, corrosion resistant(alloy and stainless), acceptable by authorities(fitted with seals and in-distinguishable from etype calipers), ready to bolt on to Jaguar XJ6 front uprights then Coopers is a brand worth consideration.
If you ask me am I happy with mine .... the answer is yes. Although I do believe that Coopers could mill more alloy from the billet to make a lighter unit but they claim their priority is to prevent flex across the caliper. The Cooper caliper is a substantial lump of milled alloy (about the same size of the cast iron units).
Mine just bolted up using the standard jaguar bolts and shims and cleared all the necessary front end bits and pieces.
__________________
It's impossible to soar like an eagle when you're surrounded by turkeys.
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07-02-2018, 02:44 AM
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CC Member
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Join Date: Aug 2001
Location: Melbourne, Australia,
Vic
Cobra Make, Engine: G-Force Mk I, 5L Windsor, TKO 600, enhanced Jag / Koni suspension & LSD Diff.
Posts: 2,300
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Not Ranked
lol thanks Les
Bloomin Govt. now charging GST regardless so may as well order the pair when I get to it.
Need a few other more critical changes achieved first and trying to get shed time to make these happen.
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slowy
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07-02-2018, 09:43 PM
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CC Member
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Join Date: May 2002
Location: Brisbane Australia,
QLD
Cobra Make, Engine: RMC under re-construction, GenIV with tremec 600, Jag 3.31 L/S diff
Posts: 3,318
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Not Ranked
Quote:
Originally Posted by Tenrocca
Gday Les - Been so long mate. We've missed you  |
Yep, Has been a while Andy, hardly visit here of late.
Keep well olde mate.
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It's impossible to soar like an eagle when you're surrounded by turkeys.
Last edited by Rebel1; 07-02-2018 at 09:45 PM..
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07-03-2018, 12:33 AM
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CC Member
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Join Date: Apr 2010
Location: melbourne,
vic
Cobra Make, Engine: Robnell Blown LS1
Posts: 296
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Not Ranked
V&A Spiteri in Melbourne also do an alloy conversion that looks pretty neat.
V&A Spiteri Jaguar - Independant Jaguar Specialists |
07-03-2018, 01:35 AM
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CC Member
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Join Date: May 2002
Location: Brisbane Australia,
QLD
Cobra Make, Engine: RMC under re-construction, GenIV with tremec 600, Jag 3.31 L/S diff
Posts: 3,318
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Not Ranked
Quote:
Originally Posted by kyleb
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We knew about the Spiteri option back in 2013 but they were only a pipe dream at that time.:
Billet Alloy XJ6 front calipers
Be bloody fastastic if they have since developed the XJ6 version of the Jag mark 11/etype calipers they have had for ages.
__________________
It's impossible to soar like an eagle when you're surrounded by turkeys.
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07-03-2018, 04:44 AM
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CC Member
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Join Date: Nov 2008
Location: Brisbane Australia. Cobra:Arntz Chev 454,
Posts: 847
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Not Ranked
G'day Les.
__________________
Don.
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07-04-2018, 09:45 PM
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CC Member
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Join Date: May 2002
Location: Brisbane Australia,
QLD
Cobra Make, Engine: RMC under re-construction, GenIV with tremec 600, Jag 3.31 L/S diff
Posts: 3,318
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Not Ranked
Quote:
Originally Posted by Donunder
G'day Les.
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G'Day Don, All the best to you and Craig.
__________________
It's impossible to soar like an eagle when you're surrounded by turkeys.
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07-05-2018, 01:17 AM
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CC Member
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Join Date: Feb 2006
Cobra Make, Engine:
Posts: 2,752
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Not Ranked
Les that car finished yet? I’m well north of you these days...
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07-05-2018, 07:42 PM
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CC Member
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Join Date: Nov 2004
Location: Sydney,
NSW
Cobra Make, Engine: Classic Revival #3199. 366ci L76, T56 6 speed, Blue circle custom paint, Australias most original cobra 2009-2010
Posts: 2,396
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Not Ranked
Quote:
Originally Posted by Tenrocca
Yup....12kg
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...and I cant believe how much better the pedal feels. Those old jag brakes must have never been quite right. I have to adjust the loud pedal as I have so much less travel in the brake now and cant heel toe.
Also got he new pads in but am yet to take her for a good run as I discovered sloppy steering rack when I was tinkering last night-another job to the list.
Cheers
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Proudly registered since 2013.
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07-06-2018, 12:18 AM
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CC Member
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Join Date: Dec 2013
Cobra Make, Engine: Evans chassis, jag fr. & rear.
Posts: 149
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Not Ranked
Quote:
Originally Posted by Tenrocca
...and I cant believe how much better the pedal feels.
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Fantastic!! |
07-06-2018, 03:54 AM
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CC Member
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Join Date: Jul 2013
Location: Croydon North,
Vic
Cobra Make, Engine: CR427 LSI Harrop blower maffless large injectors and inlet Errol tuned
Posts: 9
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Not Ranked
Is there any reason these could not be used on a road only CR, currently I have stock XJ setup with Porterfield Carbon Kevlar pads from Spiteri's in Melbourne ... has anyone used them here you know of?
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07-07-2018, 07:53 PM
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CC Member
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Join Date: Nov 2016
Location: Brisbane,
QLD
Cobra Make, Engine: G Force Cobra 347 stroker
Posts: 60
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Not Ranked
Wow!!! some great caliper options there. I will have to put some money aside for some as I build the cobra. Great thread. Thanks
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