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Relocating the master cylinder for LHD cars
Home away from home
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2004/6/12 3:02
From Albany, NY USA
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Hi all,

I have searched this site [and many others] looking for information on how to achieve moving the master to clear twin side drafts on a LHD B210. I could never find the answer as no one ever seems to have done it unless it was in a race car, where the dashboard was scrapped and aftermarket cylinders were mounted inboard. I didn't have that option as I wanted to do this on my street car with a full original dashboard in place.

Then I saw AFXB210's post and pictures and was inspired by his ideas. I needed to come up with something like that but using the parts I had on hand. Just like AFXB210, I needed to move the master at least 2 1/2" to the left. I started measuring and got lucky. My '91 [B13] Sentra SE-R parts car's clutch pedal was exactly what I needed!

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I still needed to re-engineer the pedal box though, and here is a picture of the result.

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The original pedal box is on the left. This was more than just changing the pedal however. Notice that the mounting point and the brake light switch had to be altered as well. I used a piece of 1/2" round stock steel and threaded both sides of it. I secured the new bolt with nylon locking nuts on each end.

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Here' a picture that illustrates the offset made .....

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Yes, I later cut and welded in a piece of steel to close the original hole on the pedal box.

A picture of the finished product....

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In addition to the pedal relocation, the vacuum booster had to be removed. Also, the factory master cylinder was too long and wouldn't fit behind the strut tower. My research revealed that a rebuilt master from an '86 [B11] Sentra would do the trick and shared the same 3/4" bore size as the original.

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I am very happy with the results and everything works perfectly.

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With the brake system complete, I am now moving along on other things the car needs. Here the new front Euro-bumper [sourced from England] is installed. I'm waiting for the new Ramflo air cleaners to get here this week and then the hood will go back on at last. I'm finishing up the interior and am trying to fit a set of Suzuki Swift GTi seats in this week as well. Engine is a freshly built 1608 with twin 40 mm Dellortos. I've got a local historic car road rally to run this weekend, so I hope to have it all done for Saturday.

Cheers,

Mike


Posted on: 2007/6/5 2:44
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Re: Relocating the master cylinder for LHD cars
No life (a.k.a. DattoMaster)
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it's great to see at least a couple guys finding away around the lhd b210 sidedraught dilemma

not sure if that would work in a b110 however, especially one with an auto trans tunnel

Posted on: 2007/6/5 2:56
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Re: Relocating the master cylinder for LHD cars
No life (a.k.a. DattoMaster)
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2001/10/15 3:29
From Arlington, TX, USA
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Quote:

matbighat wrote:
not sure if that would work in a b110


In my old B110 with side drafts we just moved the whole engine over 1".

Worked a treat and no one ever seemed to notice.

Posted on: 2007/6/5 4:23
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1973 Datsun B110 Coupe (A15/5spd)
1977 Datsun 280Zed (5.0L/5spd)
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Re: Relocating the master cylinder for LHD cars
No life (a.k.a. DattoMaster)
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From Newscastle, Australia
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i had an underdash booster which I still have in the shed. I just found the brakes were way too huge to use the booster so I took it out of line. Thats for sale if you want it $300 aus. However I feel if you upgrade your brakes, you will have no need for a booster at all.

Posted on: 2007/6/5 5:00
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Dont die wondering.....
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Re: Relocating the master cylinder for LHD cars
Home away from home
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Here are a couple more pics to show the good amount of clearance now.

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Posted on: 2007/6/10 17:26
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Re: Relocating the master cylinder for LHD cars
Home away from home
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Is this car a sleeper or what?


Posted on: 2007/6/13 20:47
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