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Spring over MQ diffs

Tech Talk for Nissan owners.

Moderators: toaddog, V8Patrol

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Guy
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Spring over MQ diffs

Post by Guy »

How hard or easy is it to set a c200 MQ diff up for a spring over ??
from memory one spring plate is actually a part of the cast diff center (I may be dreaming) is it possible to mill the housing to allow a spring pack to be run on top of it ...

The rear is as easy as any other plate steel diff ... make up some perches from 4 mm wall box and weld it on a bit at a time and your good to go (once you have axle wrap issues solved that it) ..

TIA
Guy
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Post by MKPatrolGuy »

Check out V8Patrol's rig in the Members section, he has very detailed pics and explanations on how to do the front diff.
[size=100][url=http://www.vickrawlers.com/]VicKrawlers.com[/url]
[url=http://www.drfwdc.org.au/]Dandenong Ranges 4wd Club[/url][/size]
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Guy
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Post by Guy »

MKPatrolGuy wrote:Check out V8Patrol's rig in the Members section, he has very detailed pics and explanations on how to do the front diff.


Thanks .. did a seach on spring over patrols ... didn't think to include the members section
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Post by MKPatrolGuy »

love_mud wrote:
MKPatrolGuy wrote:Check out V8Patrol's rig in the Members section, he has very detailed pics and explanations on how to do the front diff.


Thanks .. did a seach on spring over patrols ... didn't think to include the members section


No probs.
[size=100][url=http://www.vickrawlers.com/]VicKrawlers.com[/url]
[url=http://www.drfwdc.org.au/]Dandenong Ranges 4wd Club[/url][/size]
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Guy
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Post by Guy »

Fark .. That is a great writeup ... even I can follow it ...

My only question would have to be what is a DC welder ?? wold that be like using 2 or 3 car batteries??
I am reasonably proficient with an arc welder and have access to a pro welder (My bro is DLI certified) if needed ...
By the look of it though it is not all that scary ... (no harder than any other spring over really) a bit fiddlier but not harder ...
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Post by V8Patrol »

The DC welder has differant welding properties to a AC welder, and I wont bore you with teck shyte....
The most noticable thing when using a DC welder it the fluent flow of the arc, it is also a far more controlable arc, but the only reason I reccemend the use of a DC welder is it doesn't need "peening" once the weld is completed.... thats a huge time factor for me and time = money !

Get ya brother to do the hard welds like the new spring pearch to the diff housing and then the knuckle ends after the twist.... piece of mind if your a tad unsure.... no doubt you can handle the rest !

Your brother is DLI certified ..... he will probally have acess to a DC welder but if not a AC will be just fine, he can also explain the differance between the 2 types of welders if your really interested.


couple of pics of the "red box" << nickname for the unit I use !

The model number ... "1500" is probably more related to the price of these welders .... yep they are as dear as poision !
:shock:

The 1/2 drive is there to give you and idea of the size.... as for the weight its around 3 kgs with leads attached !!!
They usually come with a TIG option and leads/regulator etc.. very handy for alloys, and stainless.

Kingy
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Post by V8Patrol »

p/s....

thanks for the complement too !!!

Fark .. That is a great writeup ... even I can follow it ...


:D
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arc welder

Post by DR Frankenstine »

I have a welder called a pulse arc and it welds bloody nice. Have you guys heard of that one?
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Post by TUFF60 »

The best little welders i think so far are the CIG 141 inverter welders. had mine for a couple of months and there a pissa :D . 140 amps with arc force, pulse tig, lift tig etc. Top little machine to use but expensive at about $2900 with tig gear
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