27 replies to this topic

[IanC]

Does anyone know if the caps and locking arms are interchangeable on all the square cornered big nut master cylinders.   I see there is a couple of different caps between the models.   Some have two mound top cap (LJ I think).  Some have flattish style top cap. (LH I think).      cheers Ian.

[S pack]

Does anyone know if the caps and locking arms are interchangeable on all the square cornered big nut master cylinders.   I see there is a couple of different caps between the models.   Some have two mound top cap (LJ I think).  Some have flattish style top cap. (LH I think).      cheers Ian.

I thought the bail and lid were the same on all square ended big nut cast iron m/cyl up to the end of 1976.

Might learn something new.
 

[IanC]

Thanks Dave. I bought a big nut for my car, but it was for LC. I just bought another which is LH. Just hoping I can change the lid.

[IanC]

Next question Dave, can you buy the different lids.

[dattoman]

Nope on lids

 

And they are different shapes

The LC one... is it really LJ as they aren't squared and if so... same as LH

 

LC is rounder

 

LH is squarer 

 

Late ones are just plain ugly

 

[IanC]

I have a round one.   The round ones I believe are LC.  Square ones LJ onwards.  The lids are different on differing square ones. just need to know if the lids and bails fit all the square ones. because i would like to have the LJ one and at present it appears to be an LH/LX.   cheere Ian.

[dattoman]

LJ and LH are the same

 

Now your turn to put up pics

[S pack]

My LJ bignut lid & bail is the same as this.

[grumpy xu1]

What did you pay for lc 1 Ian ? Is the cap in gc & would you sell it again ? Gary.

[Dr Terry]

I have a round one.   The round ones I believe are LC.  Square ones LJ onwards.  The lids are different on differing square ones. just need to know if the lids and bails fit all the square ones. because i would like to have the LJ one and at present it appears to be an LH/LX.   cheere Ian.

The square ones began @ HQ release which is the same time as 173 & Aussie 4-sp release in July 1971 LC.

 

Dr Terry

[hanra]

This is mine.

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[IanC]

What did you pay for lc 1 Ian ? Is the cap in gc & would you sell it again ? Gary.

Gary I can't remember what I paid.  it is marked Drum 26 H1A .   Yes I will sell it.   Cap is quite rusty.  I will take some pics and PM you if you want.  I'm happy for you to make an offer.  cheers Ian.

[bat 53]

mine is round type

[claysummers]

And yours is a 173 LC isn’t it Albert? But early one. They would have used up the bin before they changed to the HQ type.


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[S pack]

And yours is a 173 LC isn’t it Albert? But early one. They would have used up the bin before they changed to the HQ type.

Agree Clay, the LC type m/cyl and booster continued in production after HQ release and 173 introduction.

[IanC]

Dave, do you know if you can buy new tops and bails like your M/C.   And my car is 02/72, round or square?.   

[S pack]

Hi Ian, I believe Neil is correct, the metal caps are NLA. I thought RSP were making reproductions but I can't find any on their website.

Your 2/72 LJ should have this one.

[IanC]

Bugger.   if you had to choose, would you go LC round or LH square flat.   First World problems I know.   But still.....  

[claysummers]

After market jobby


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[grumpy xu1]

Bugger.   if you had to choose, would you go LC round or LH square flat.   First World problems I know.   But still.....  

Well if i had an xu1, then i would fit the correct master cylinder for that car. Forget the aftermarket, just put the word out for an lj 1. Be a little patient.

[IanC]

https://photos.app.g...EvJN2gDEpgcapv7

https://photos.app.g...3QzzJiwAJgsUZs9

https://photos.app.g...fPFixj4vKrY4EH6

[claysummers]

There is a square cap on gumtree at the moment. Not a lot of good with out the body.


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[IanC]

I have the square body also..  I will have a look thanks Clay..

There is a square cap on gumtree at the moment. Not a lot of good with out the body.


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Clay could you PM me the link cheers mate...

[claysummers]

Done


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[IanC]

I got this today, and have an LJ style lid coming. https://photos.app.g...vQfUyaY3TvpSwL6