03-18-2011
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#1
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Join Date: Mar 2005
Location: Blaine, MN
Drives: '91 Automagic
Posts: 13,908
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DSM rear end work, combining a 3 bolt and 4 bolt
Is there information on this, I can't remember exactly but I believe it is good to use the internals from a 3 bolt in a 4 bolt.
I ask this because I have a 3 bolt rear end currently in my car and a 4 bolt waiting to go in, so this would be the perfect time to do something like this.
Thanks
Aaron
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03-18-2011
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#2
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'2of9'
Join Date: Nov 2004
Location: Inver Grove Heights
Drives: Racer Van V6
Posts: 2,125
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Re: DSM rear end work, combining a 3 bolt and 4 bolt
IIRC, you can put the 4 bolt gears inside a 3 bolt diff...a few of GVR4.org people have done it. I'll try to find the thread and link it here.
__________________
ლ(ಠ益ಠლ)
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03-18-2011
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#3
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Join Date: Mar 2005
Location: Blaine, MN
Drives: '91 Automagic
Posts: 13,908
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Re: DSM rear end work, combining a 3 bolt and 4 bolt
Thanks man. I'm probably just gonna run the 4-bolt as-is, but this is something I've always wondered about doing.
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03-18-2011
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#4
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Shit Rocket Pilot
Join Date: Oct 2003
Location: Shoreview, MN
Drives: 2003 Evolution VIII
Posts: 7,752
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Re: DSM rear end work, combining a 3 bolt and 4 bolt
What is the reasoning behind this?
__________________
"If everything seems under control, you're just not going fast enough." -Mario Andretti
03 Mitsubishi Lancer Evolution VIII
Quote:
Originally Posted by Tachyon
Every minute you spend in your Evo, not in boost, is a minute of your life you'll never get back.
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03-18-2011
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#5
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2stepadepaaadepaaadep
Join Date: Aug 2010
Location: bloomington, Mn
Drives: myself crazy
Posts: 822
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Re: DSM rear end work, combining a 3 bolt and 4 bolt
Quote:
Originally Posted by Matt D.
What is the reasoning behind this?
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wondering this also, is the 3 bolt casing lighter? or something of this sort maybe, interesting
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Quote:
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Originally Posted by 311evo
I put more into my car then what its worth, did it for my own enjoyment and that was all.
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^^thats what modding is about.. your own enjoyment
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03-18-2011
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#6
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Join Date: Jul 2006
Location: North Branch
Drives: 2004 Corvette M6 F45
Posts: 972
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Re: DSM rear end work, combining a 3 bolt and 4 bolt
Mr. Lacroix has done this before. I believe it's the 3-bolt pinion in the 4-bolt housing make for a stronger set up.
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03-20-2011
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#7
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15min late to the world
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Re: DSM rear end work, combining a 3 bolt and 4 bolt
For the Galant VR4 guys it works well to swap the 4 bolt diff into the 3 bolt housing, keeping the 4ws is a plus. I heard a while back the 3 bolt ring and pinion is stronger then the 4 bolt. It takes some more time installing the 4 bolt diff, setting the back lash and gear pattern.
~John
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Moon taxi: 9.45@156.9 mph 41psi 2011... Letting people down sense 2012.
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03-20-2011
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#8
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Join Date: Mar 2005
Location: Blaine, MN
Drives: '91 Automagic
Posts: 13,908
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Re: DSM rear end work, combining a 3 bolt and 4 bolt
I found for my uses a stock 4-bolt will be fine. Time to flush and fill.
Thanks guys.
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03-20-2011
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#9
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2stepadepaaadepaaadep
Join Date: Aug 2010
Location: bloomington, Mn
Drives: myself crazy
Posts: 822
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Re: DSM rear end work, combining a 3 bolt and 4 bolt
if you dont mind me asking, what are you gonna put in it?
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Quote:
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Originally Posted by 311evo
I put more into my car then what its worth, did it for my own enjoyment and that was all.
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^^thats what modding is about.. your own enjoyment
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03-20-2011
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#10
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Join Date: Mar 2005
Location: Blaine, MN
Drives: '91 Automagic
Posts: 13,908
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Re: DSM rear end work, combining a 3 bolt and 4 bolt
um, my dsm.
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03-20-2011
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#11
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Join Date: Feb 2008
Location: Hutch
Drives: Evo VIII and 96' Buick Park Ave
Posts: 2,595
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Re: DSM rear end work, combining a 3 bolt and 4 bolt
Quote:
Originally Posted by 19TsiAwd90
if you dont mind me asking, what are you gonna put in it?
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Quote:
Originally Posted by turbotalon1g
um, my dsm.
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You and not reading posts.  Are you wondering what kind of fluid or what? |
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03-20-2011
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#12
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15min late to the world
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Re: DSM rear end work, combining a 3 bolt and 4 bolt
75 140 synthetic, or shock proof heavy. What else would you put in the rear end of a dsm.
~John
__________________
Moon taxi: 9.45@156.9 mph 41psi 2011... Letting people down sense 2012.
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03-21-2011
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#13
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2stepadepaaadepaaadep
Join Date: Aug 2010
Location: bloomington, Mn
Drives: myself crazy
Posts: 822
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Re: DSM rear end work, combining a 3 bolt and 4 bolt
lol yeha sorry i guess i wasnt clear enough i mean what fluid are you gonna fill it with
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Quote:
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Originally Posted by 311evo
I put more into my car then what its worth, did it for my own enjoyment and that was all.
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^^thats what modding is about.. your own enjoyment
Last edited by 19TsiAwd90; 03-21-2011 at 04:08 PM..
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03-21-2011
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#14
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Join Date: Mar 2005
Location: Blaine, MN
Drives: '91 Automagic
Posts: 13,908
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Re: DSM rear end work, combining a 3 bolt and 4 bolt
I just suck at reading, but read what john put, that is my exact same answer.
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