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IRS reduction hubs
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bevelhead
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PostPosted: Sun Sep 27, 2009 1:06 am    Post subject: Reply with quote

someone out there must have one or knows how they are setup, where are all the brazil guys on here Confused
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Little Bandit
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PostPosted: Sun Sep 27, 2009 12:51 pm    Post subject: Reply with quote

Does anyone know if these have wheels hop issues?

I am assuming since they are a trailing arm set-up, they will not have any unless you are running tons of hp to deflect the arms.
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itiot
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PostPosted: Tue Sep 29, 2009 3:24 pm    Post subject: Reply with quote

i actually have 3 nos set of controlarms for the brazil redux setup.

if anyone need them
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SCZ9-1-1
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PostPosted: Sun Oct 25, 2009 10:52 pm    Post subject: Reply with quote

This sounds like the transaxle I just inherited from Rick in Soquel. Except the one I have was "converted" to be used in a barn door as a small nut transaxle.
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blitzkrieg59
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PostPosted: Sun Feb 27, 2011 2:24 am    Post subject: Reply with quote

BUMP! Been interested in this for a long time. Anybody make any progress?
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qwerty8669
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PostPosted: Fri Mar 02, 2012 2:59 am    Post subject: Reply with quote

What is the reduction ratio on these? Or reduction boxes in general


Say bolted to a 4.12?
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monkey knuts
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PostPosted: Fri Mar 02, 2012 6:42 pm    Post subject: Reply with quote

I think this may be a nos spring plate for this set up. Note the number of splines are different to split - don't know about bay splines.
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Sancho
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PostPosted: Fri Mar 02, 2012 7:49 pm    Post subject: Reply with quote

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edgood1
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PostPosted: Sat Mar 03, 2012 4:57 am    Post subject: Reply with quote

interesting. The transmission carrier is a different shape to accommodate the trailing arm setup.

It looks like vw put a lot of effort into keeping the reduction boxes on those buses.
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bigbugga01
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PostPosted: Thu Aug 08, 2013 3:16 pm    Post subject: Reply with quote

Just to bring this one back up.
Has any one got this set up that they want to sell and ship?
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bevelhead
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PostPosted: Thu Aug 08, 2013 10:23 pm    Post subject: Reply with quote

Parts emporium http://www.partsemporium.co.uk/index.htm had a set a while back, but they dont appear on the site at the moment, thats the second setup he has sold that i know of.
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Brian
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PostPosted: Mon Oct 13, 2014 8:07 pm    Post subject: Reply with quote

Soooo, anyone have addition info on these? I feel the world could benefit from having more of these setups around.
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MacLeod Willy
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PostPosted: Mon Jan 04, 2016 8:30 pm    Post subject: Re: IRS reduction hubs Reply with quote

I'm bumping this again.
Anyone perform this with detail how the stubs were modified and installed
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tisius
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PostPosted: Wed Jan 06, 2016 7:10 am    Post subject: Re: IRS reduction hubs Reply with quote

Apart from this being an old thread: why would you want a hybrid between IRS and reduction boxes?
(personally I would either keep stock set-up, or go full out on IRS conversion, instead of sourcing/fabbing a hybrid version)
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MacLeod Willy
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PostPosted: Wed Jan 06, 2016 7:23 am    Post subject: Re: IRS reduction hubs Reply with quote

In order to get the most lower end power, I am considering switching to mid engine with 003. I see others have modified the RGB but I don't see detail on the actual machining process. No use reinventing the modification if it has already been done with success
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GTV
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PostPosted: Wed Jan 06, 2016 8:06 am    Post subject: Re: IRS reduction hubs Reply with quote

tisius wrote:
Apart from this being an old thread: why would you want a hybrid between IRS and reduction boxes?
(personally I would either keep stock set-up, or go full out on IRS conversion, instead of sourcing/fabbing a hybrid version)


It is the best of both worlds! You can only raise an IRS so far before geometry becomes an issue. RGB's raise an additional 3 1/2" while keeping stock suspension geometry. RGB's also multiply torque, making them ideal for pulling heavy loads or going off road. IRS keeps the tires flat on the ground, and allows moderate lifting without affecting suspension geometry as much as a swing axle does.
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all-in-clubs
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PostPosted: Fri Feb 19, 2016 12:43 pm    Post subject: Re: IRS reduction hubs Reply with quote

Would this work with a subaru tranny and motor ? With reduction boxes wouldn't it make the tires rotate the right way so you would't need to replace ring and pinion to the reverse style?
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SplitBusVanatic
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PostPosted: Fri Feb 19, 2016 5:51 pm    Post subject: Re: IRS reduction hubs Reply with quote

I'm interested in this because in the "flipped Audi transmission" being installed into a lot of vanagons with tdi engine conversions.
I have done this in my Splitty.

With the Audi trans. output flanges not being central on the side of the transmission housing, when you flip it upside down, the flanges are very high.
High flanges of course mean high angle of cv.

My application is in my Splitty, narrower body than the vanagon,
greater angles again, further compounding the problem.

The conversation in this thread has grabbed my attention for that reason.

Apologies if I have veered off topic, but it is a valid thought that is related to this discussion.
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all-in-clubs
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PostPosted: Sat Feb 20, 2016 2:56 pm    Post subject: Re: IRS reduction hubs Reply with quote

SplitBusVanatic wrote:
I'm interested in this because in the "flipped Audi transmission" being installed into a lot of vanagons with tdi engine conversions.
I have done this in my Splitty.

With the Audi trans. output flanges not being central on the side of the transmission housing, when you flip it upside down, the flanges are very high.
High flanges of course mean high angle of cv.

My application is in my Splitty, narrower body than the vanagon,
greater angles again, further compounding the problem.

The conversation in this thread has grabbed my attention for that reason.

Apologies if I have veered off topic, but it is a valid thought that is related to this discussion.
Yea that's also what we have is a 64 splitty would like to buy a subaru and install the motor and tranny in the splitty and use the reduction boxes so it would be rotating tires correct . The Bus tranny just maxes out the rpms on the motor at about 55mph was wondering with a 5 speed suburu tranny and the reduction gear boxes if it would do better at higher speeds like 60-65 mph ?????
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Donovan D
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PostPosted: Wed May 24, 2023 11:17 pm    Post subject: Re: IRS reduction hubs Reply with quote

Reduction boxes with IRS

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