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URGENT How to change to bigger MC 15/16 need write up urgent


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#1 mrp69

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Posted 05 March 2009 - 08:51 PM


hey guys

need this info pretty quick cant seem to find a write up

cheers

peter

#2 Lurch ™

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Posted 05 March 2009 - 09:16 PM

Unbolt the 7/8th & bolt the 15/16th one back in.

There's no modding required, Pete.

#3 mrp69

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Posted 05 March 2009 - 10:48 PM

no worries

Thanks

#4 sco_aus

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Posted 05 March 2009 - 11:12 PM

Dont forget to bleed it lol

#5 NZeder

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Posted 06 March 2009 - 05:14 AM

Do you have discs on the rear? If so look for Lurch's post about removing the line pressure valve from the rear circuit this will stop the rears from having too much bias due to the 10lbs of pressure already in the line (require for drums)

#6 mrp69

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Posted 06 March 2009 - 07:16 AM

my rear brakes will be upgraded next week

It's just the car I'm coverting off has a large booster
And mine a normal one it's causing interferance with the clutch mc

So that's more the issue now thou

#7 S30Mike

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Posted 09 March 2009 - 02:30 PM

on the subject, with stock brakes is it literally a straight bolt in swap from the 260 MC to the 280 MC?

#8 sco_aus

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Posted 09 March 2009 - 03:39 PM

Yep

#9 paddles

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Posted 09 March 2009 - 04:35 PM

Hey guys, does anyone know where to get a 15/16 280zx master from? I haven't been able to find anyone that sells them new.

#10 NZeder

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Posted 09 March 2009 - 06:12 PM

on the subject, with stock brakes is it literally a straight bolt in swap from the 260 MC to the 280 MC?

That is a yes and no answer - yes to one version and no to another. I can't recall which is which but one is not a straight bolt on, I can't recall which it is a Series I (79-82) or a Series II (82-83)

#11 nuclear_z

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Posted 09 March 2009 - 06:28 PM

Pete give me a yell if you need a hand with the change over...

Thomas

#12 zed240au

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Posted 09 March 2009 - 06:37 PM

i bought brand new pbr 1" master cylinder to suit patrol from local spare parts place but repco said they could get them too just couple days delivery

#13 sco_aus

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Posted 09 March 2009 - 06:41 PM

JB1419 is the Patrol 1" MC part number if anyone is interested.  If you havn't already read it, there is a BUT.  With the 1", it will bolt to the booster, but the brake pipes/lines feed from the side, not the bottom like on the zeds.  However, this also means that should you have your pipes modified to fit, you can then get the Patrol 15/16th and swap between the two if need be... 

#14 NZeder

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Posted 09 March 2009 - 09:03 PM

JB1914 is the Patrol 1" MC part number if anyone is interested.

You sure about that number I can only find reference to a JB1419 for a 77-79 Patrol and listed as 25.40mm aka 1" here is pic of the JB1419 for reference also

Also on this site there is a post of the JB1419 partnumber as the 1" MC for the Patrol see
http://www.viczcar.c...1.html#msg21181




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#15 Lurch ™

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Posted 09 March 2009 - 09:48 PM

Yeah - Scott got his numbers mixed up...

#16 sco_aus

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Posted 10 March 2009 - 04:44 AM

yeh, my bad, fixed.

#17 S30Mike

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Posted 10 March 2009 - 09:34 AM

So im understanding the patrol MC doesnt bolt straight on but the 280zx one does ???

#18 Lurch ™

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Posted 10 March 2009 - 09:38 AM

What the...? Why is this so hard to understand?
The 280ZX one bolts straight on, no mods required.
The 1" Patrol MC bolts straight onto the booster BUT the brake lines have to be modified.


#19 stevo_gj

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Posted 10 March 2009 - 11:28 AM

What the...? Why is this so hard to understand?
The 280ZX one bolts straight on, no mods required.
The 1" Patrol MC bolts straight onto the booster BUT the brake lines have to be modified.


/thread

#20 paddles

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Posted 11 March 2009 - 10:16 PM

Hey guys, does anyone know where to get a 15/16 280zx master from? I haven't been able to find anyone that sells them new.


Anyone?




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