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Disc Brake Conversion on 71 521


MK4A80

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On later Nissan trucks (eg D21/hardbody) it's attached to the rear axle via spring & lever/bracket.  I don't know what Nissan was smoking with a valve sensing "level" that would be affected by grade & braking forces, not just bed load.

Edited by thisismatt
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Page 16 on the 'Mid year' 1986 D21 FSM too. So all years. Never noticed it as the NLSV but have seen the picture before.

 

On the 620/720 going up hill would add to the 10 degree tilt and increase braking but going up hill would place more weight on the rears anyway, not much but some. Tilting downward would make no change. On the D21 it looks like there is a lever also. Brakes would work normally if it failed. Working, it just adds some extra stopping power.

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Well we are talking about 620/720 NLSV assemlies, not modern trucks.

What a 96 Hardbody NLSV has to do with any of this has me baffled, when I mentioned the NLSV I was talking about a 720 NLSV comparing it to the 521 that had no such thing.

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25 minutes ago, wayno said:

Well we are talking about 620/720 NLSV assemlies, not modern trucks.

What a 96 Hardbody NLSV has to do with any of this has me baffled, when I mentioned the NLSV I was talking about a 720 NLSV comparing it to the 521 that had no such thing.

 

Just shooting the breeze until the prodigal OP returns...

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I had a 1993, 2WD. Maybe that’s why it didn’t have one. The 4WD’s might have been different. I’d love to have another one. It’s unfortunate the body used to rot out on them, because the drivetrains lasted forever.

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1 hour ago, mainer311 said:

I had a 1993, 2WD. Maybe that’s why it didn’t have one. The 4WD’s might have been different. I’d love to have another one. It’s unfortunate the body used to rot out on them, because the drivetrains lasted forever.

 

Not helping the OP ?

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On 12/16/2018 at 9:18 AM, d.p said:

Yup and where is the OP?  gone with the wind I guess. 

 

Nope still here, just came off surgery Friday, been recouping.

I'm going to read the whole thread didn't expect to get two pages of info.

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On 12/16/2018 at 4:00 PM, d.p said:

 

Lo-fuckingL!!!!! OP is gone so don’t really matter. 

 

Nope still here, just came off surgery Friday, been recouping.

I'm going to read the whole thread didn't expect to get two pages of info.

 

Thank for your kindness!

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23 minutes ago, MK4A80 said:

 

Nope still here, just came off surgery Friday, been recouping.

I'm going to read the whole thread didn't expect to get two pages of info.

 

Thank for your kindness!

 

You’ll need to take the banter here with a grain of salt. Sometimes you get dipshitery, sometimes you get useful information. Don’t let it get to you.

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2 minutes ago, mainer311 said:

 

You’ll need to take the banter here with a grain of salt. Sometimes you get dipshitery, sometimes you get useful information. Don’t let it get to you.

 

LOL, naa, i get it. Its the same at the S10, GMT400 and Supra forums(where i dwell usually).

I can take the heat, but didn't know where to start on my 521, now I'm here. 

 

Let the dipshitery begin!!

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14 hours ago, MK4A80 said:

 

LOL, naa, i get it. Its the same at the S10, GMT400 and Supra forums(where i dwell usually).

I can take the heat, but didn't know where to start on my 521, now I'm here. 

 

Let the dipshitery begin!!

 

Trust this forum is like no other you have been on before.  

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6 hours ago, d.p said:

 

Trust this forum is like no other you have been on before.  

This.  Also, any pics of the surgery?

 

For what it's worth, I installed mklotz's kit on my truck plus a Wilwood manual proportioning valve. None of this NLSV witchcraft, and left rears as drums. Very happy with results and braking is much less an adventure now. Do your research and get a beebani or mklotz kit, some junkyard parts, and new or reman shiny parts.

 

Here I've had the boy load up telephone poles, then headed for steepest downhill!

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On 12/16/2018 at 4:24 PM, mainer311 said:

 

Mike dragged me into this!

 

 giphy.gif

 

 

22 hours ago, mainer311 said:

 

You’ll need to take the banter here with a grain of salt. Sometimes you get dipshitery, sometimes you get useful information. Don’t let it get to you.

 

It's all info, some of it actually on topic. The banter is mostly obvious.

 

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