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Girlock calipers.


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#1 Indy Orange

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Posted 12 January 2021 - 11:45 PM

Hi all ,I have stock standard Girlock callipers on my LCGTR ,with 6" Sprintmasters ,the callipers are scraping on the inside of the rim ,only slightly making contact ,do I need spacers ? I thought these would bolt straight on with no hassles , thanks Paul.

Edited by Indy Orange, 12 January 2021 - 11:53 PM.


#2 claysummers

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Posted 13 January 2021 - 06:44 AM

Thought they came factory with spacers. One of few cars they are legal on. Not that I'm an expert.

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#3 S pack

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Posted 13 January 2021 - 06:45 AM

Hi all ,I have stock standard Girlock callipers on my LCGTR ,with 6" Sprintmasters ,the callipers are scraping on the inside of the rim ,only slightly making contact ,do I need spacers ? I thought these would bolt straight on with no hassles , thanks Paul.

The Sprintmasters should bolt straight on and clear the calipers. Not going to hurt to put one spacer on each each front wheel, should gain a little clearance.
 



#4 Indy Orange

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Posted 13 January 2021 - 09:54 AM

Thanks guys! If the 6” Sprintmasters are designed to bolt straight on what could be causing the clearance problem with the calliper?

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#5 yel327

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Posted 13 January 2021 - 10:09 AM

Are they original GMH supplied Sprintmasters? Have you tried another rim?



#6 Indy Orange

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Posted 13 January 2021 - 10:26 AM

No they’re Sprintmaster copies Yel ,CSA, I have original 5.5 rims so I’ll try one of those .

#7 Kockum

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Posted 13 January 2021 - 11:19 AM

I can see your problem - the stick on wheel weights.



#8 Indy Orange

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Posted 13 January 2021 - 11:30 AM

Yeah Kockum, that was definitely one of the problems , I removed them , but still scrapes on the calliper.

#9 Kockum

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Posted 13 January 2021 - 11:38 AM

I had the same problem years ago, removed the offending weight and all good.  



#10 claysummers

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Posted 13 January 2021 - 11:58 AM

Can they be machined? I'm getting the backs of my Sampson's turned down 5mm to help guard clearance. $70 per wheel at Extensive Wheel Services in Adelaide.

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#11 I'm a Red Motor fiend

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Posted 13 January 2021 - 01:09 PM

Mine did this on my sprintmasters.
Angle grinder to caliper = clearance

#12 jd lj

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Posted 13 January 2021 - 03:37 PM

CSA sprintmasters should go on std calipers without a problem. Sorry that I don't have an answer to the problem.

With my Volvo calipers and sprintmasters I need to make sure thin weights are used otherwise the calipers will knock them off.

#13 MFM

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Posted 13 January 2021 - 04:52 PM

My Globe sprintmasters did the same but only on the weights they used, so they re-positioned the weights closer to the edge of the inner rim. Its pretty close tolerances in there between the caliper and inner rim.



#14 Indy Orange

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Posted 13 January 2021 - 06:21 PM

Righto ,thanks everyone I'll invest in some spacers.👍

Edited by Indy Orange, 13 January 2021 - 06:22 PM.


#15 MFM

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Posted 13 January 2021 - 06:43 PM

I have one (1) spacer on the front. Supposed to have 2 I believe?



#16 S pack

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Posted 13 January 2021 - 07:17 PM

I have one (1) spacer on the front. Supposed to have 2 I believe?


3 spacers on each front wheel Mark.

#17 MFM

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Posted 13 January 2021 - 07:30 PM

Crikey? thanks Dave. Might have to buy a couple of reproduction ones as I have 2 on the back and one on the front which came with the car



#18 S pack

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Posted 13 January 2021 - 08:02 PM

One spacer on each rear wheel.

#19 Ice

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Posted 13 January 2021 - 08:10 PM

Why the spacers on the back ? 



#20 grumpy xu1

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Posted 13 January 2021 - 09:07 PM

Why the spacers on the back ? 


Wheel tracking mate.

3 spacers on each front wheel Mark.


Are you sure that it's not 2 per front wheel & 1 per back wheel on early 72's Dave ? I should remember, but i don't atm.

#21 S pack

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Posted 13 January 2021 - 09:27 PM

Wheel tracking mate.

Are you sure that it's not 2 per front wheel & 1 per back wheel on early 72's Dave ? I should remember, but i don't atm.

Marks XU1 should have 3 spacers on each front wheel.

#22 grumpy xu1

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Posted 14 January 2021 - 06:06 PM

I need to get educated again Dave. Thanks mate.

#23 MFM

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Posted 14 January 2021 - 07:25 PM

Silly question I think but is there any difference between the OEM spacers and reproduction ones? thinking repro will be metric thickness??but is there any visible difference? any suggestions? anyone want to sell me 4 x OEM spacers  :mellow:



#24 grumpy xu1

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Posted 14 January 2021 - 07:49 PM

Silly question I think but is there any difference between the OEM spacers and reproduction ones? thinking repro will be metric thickness??but is there any visible difference? any suggestions? anyone want to sell me 4 x OEM spacers  :mellow:


I have a set of spacers out of the lc xu1 atm actually, so if you like, i can measure the thickness of them.
You must have spacers in yours, or you couldn't have xu1 discs, unless they where really worn.

#25 MFM

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Posted Yesterday, 06:49 AM

Car came with 1 spacer on each front wheel and 1 spacer on each rear. I can measure my own which I think are OEM but just wanted to know whether the repro dimensions were the same. My original brake rotors were replaced in the early 80's by the bloke I bought the car off (mate)as they used to squeal loudly every time he braked so he got the shites and went and bought new ones from the local Holden dealer and replaced them, however he kept the original rotors which I also have. 






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