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Shortened Master Cylinder Pushrods
vanepico - 24/11/12 at 01:41 PM

Hi, I just bought one of these:
http://www.cbsonline.co.uk/product/Brake_Master_Cylinder_Kit__0.750%22_MAK750
Before I have a go at tapping it further does anyone do a pushrod where the thread goes about an inch further down the shaft?

Cheers
Pete


vanepico - 24/11/12 at 02:13 PM

Pedal Box 1
Pedal Box 1

Pedal Box 2
Pedal Box 2


Pedal box is nearly done


theprisioner - 24/11/12 at 06:00 PM

Whay can you not mount the m/c on a thick spacer. This is normal practice on a Sylva Build for example.


renetom - 24/11/12 at 06:01 PM

Hi
You need to check how much travel you need into the m/cyl + a little slack before you shorten the rod.
Assuming that's what you mean.
Good luck
René.


vanepico - 24/11/12 at 06:10 PM

That would prevent the gater from sitting on the lip, I've found one for a girling cylinder which looks similar, but it is nearly £10 each!

It is a 3/4" master cylinder and is only going to be operating the front or the back so it shouldn't need more than an inch of travel

[Edited on 24/11/12 by vanepico]


Theshed - 24/11/12 at 06:56 PM

I changed mine for longer ones - what plain shank length do you need - you are welcome to my old ones (which are new)


vanepico - 24/11/12 at 07:00 PM

well this one comes 80mm out from the edge of the lip on the master cylinder but this was trimmed down before I had it, I guess 55mm long would be about what I need.

Thanks
Pete


EDIT : oh by plain shank do you mean unthreaded? something like 40mm unthreaded would probably do

[Edited on 24/11/12 by vanepico]


Theshed - 24/11/12 at 07:26 PM

The plain part of this is about 53mm long. Bit too long? I see no real harm running a die down the thread - it willl only be in compression. I made new ones for myself cutting the threads on the lathe - I hope they are ok!

Description
Description


vanepico - 25/11/12 at 09:47 AM

I take it they are 5/16" UNC? I think this is the standard for master cylinders.

If so yeah I'll take them, how much do you want for them?


Theshed - 25/11/12 at 10:24 AM

They are 5/16 UNF - if you want them you can have them.


Theshed - 26/11/12 at 10:55 AM

Hi U2U sent - soory I deleted the last one by accident!


vanepico - 28/11/12 at 10:27 AM

Cheers, received the pushrods yesterday