Suspension and Chassis Questions about your suspension? Need chassis advice?

UMI Weight Jacks and Moser 12-Bolt Questions

Old 11-29-2018, 06:52 PM
  #1  
Supreme Member

Thread Starter
iTrader: (13)
 
BADMAN's Avatar
 
Join Date: Sep 2005
Location: Bellville,Texas
Posts: 1,245
Likes: 0
Received 26 Likes on 22 Posts
Car: 1985 Iroc-Z
Engine: 440LSX
Transmission: l460e
Axle/Gears: 3.55 Wavetrac
UMI Weight Jacks and Moser 12-Bolt Questions

Am currently going to install a Moser 12-bolt in my 85 third gen. Am also going to use UMI weight jackets in front and rear. Has anyone done this? I need to know how tall the Moser installed center tube piece on the spring perches needs to be.
Old 11-29-2018, 07:02 PM
  #2  
Moderator

iTrader: (3)
 
Abubaca's Avatar
 
Join Date: Feb 2001
Location: JAMESTOWN, NC
Posts: 8,366
Received 348 Likes on 275 Posts
Car: 1988 Iroc
Engine: L98 350
Transmission: 700R4
Axle/Gears: Hawks 8.8 - 3.73
Re: UMI Weight Jacks and Moser 12-Bolt Questions

Is the Moser not built yet? Would you not just set it up like a stock Thirdgen rear?
Old 11-29-2018, 07:08 PM
  #3  
Supreme Member

Thread Starter
iTrader: (13)
 
BADMAN's Avatar
 
Join Date: Sep 2005
Location: Bellville,Texas
Posts: 1,245
Likes: 0
Received 26 Likes on 22 Posts
Car: 1985 Iroc-Z
Engine: 440LSX
Transmission: l460e
Axle/Gears: 3.55 Wavetrac
Re: UMI Weight Jacks and Moser 12-Bolt Questions

Housing is being built. Moser wants to know what height to make center rear spring tube because weight Jack fits inside. See pic:

Last edited by BADMAN; 11-29-2018 at 07:16 PM.
Old 11-29-2018, 07:17 PM
  #4  
Supreme Member

Thread Starter
iTrader: (13)
 
BADMAN's Avatar
 
Join Date: Sep 2005
Location: Bellville,Texas
Posts: 1,245
Likes: 0
Received 26 Likes on 22 Posts
Car: 1985 Iroc-Z
Engine: 440LSX
Transmission: l460e
Axle/Gears: 3.55 Wavetrac
Re: UMI Weight Jacks and Moser 12-Bolt Questions

Old 11-29-2018, 07:42 PM
  #5  
Moderator

iTrader: (3)
 
Abubaca's Avatar
 
Join Date: Feb 2001
Location: JAMESTOWN, NC
Posts: 8,366
Received 348 Likes on 275 Posts
Car: 1988 Iroc
Engine: L98 350
Transmission: 700R4
Axle/Gears: Hawks 8.8 - 3.73
Re: UMI Weight Jacks and Moser 12-Bolt Questions

Yep, I'm following....UMI's look pretty similar to my Ground Control jacks. .....this rear I've been getting ready to install is 5/8" off the base. Assuming everything else is to thirdgen specs, that should work. MY jacks portrude down BELOW 0" deck, for lack of a better term, by about an inch. If Moser cuts that tube down to 5/8", is it hollow in there???
Old 11-29-2018, 07:47 PM
  #6  
Supreme Member

Thread Starter
iTrader: (13)
 
BADMAN's Avatar
 
Join Date: Sep 2005
Location: Bellville,Texas
Posts: 1,245
Likes: 0
Received 26 Likes on 22 Posts
Car: 1985 Iroc-Z
Engine: 440LSX
Transmission: l460e
Axle/Gears: 3.55 Wavetrac
Re: UMI Weight Jacks and Moser 12-Bolt Questions

Yes it is hollow. I will have to drill hole for height adjustment.
Old 11-29-2018, 07:58 PM
  #7  
Supreme Member

iTrader: (4)
 
obeymybird's Avatar
 
Join Date: Sep 2005
Location: PA
Posts: 1,087
Received 50 Likes on 44 Posts
Car: 92 camaro RS
Engine: LSA
Transmission: Magnum F
Axle/Gears: TNT 8.8 wavetrac 3.73
Re: UMI Weight Jacks and Moser 12-Bolt Questions

Just to make sure but you do know that umi says the rear kit only works with factory and strange rears right?
Old 11-29-2018, 08:15 PM
  #8  
Supreme Member

Thread Starter
iTrader: (13)
 
BADMAN's Avatar
 
Join Date: Sep 2005
Location: Bellville,Texas
Posts: 1,245
Likes: 0
Received 26 Likes on 22 Posts
Car: 1985 Iroc-Z
Engine: 440LSX
Transmission: l460e
Axle/Gears: 3.55 Wavetrac
Re: UMI Weight Jacks and Moser 12-Bolt Questions

Inside diameter of cup will work. UMI verifies that. Height was the issue. Thanks for the heads up. Will call Moser tomorrow and give them the needed height measurement.
Old 11-29-2018, 10:29 PM
  #9  
COTM Editor

iTrader: (22)
 
QwkTrip's Avatar
 
Join Date: Mar 2001
Posts: 9,881
Likes: 0
Received 1,849 Likes on 1,265 Posts
Car: '89 Firebird
Engine: 7.0L
Transmission: T56
Re: UMI Weight Jacks and Moser 12-Bolt Questions

My Strange unit is roughly 1.5 times coil wire diameter.
Old 11-30-2018, 01:46 PM
  #10  
Banned
 
UMI Sales's Avatar
 
Join Date: Jan 2009
Posts: 745
Likes: 0
Received 29 Likes on 23 Posts
Re: UMI Weight Jacks and Moser 12-Bolt Questions

Give me a call at 814-376-6000 and we can discuss.

There has to be a clear hole down through for the jack bolt. Also, I can look on the drawing and check diameters. Our goal is to try it on our in-house Moser but we haven't done so yet.

thx

ramey
Old 01-15-2020, 03:47 PM
  #11  
Junior Member

 
Qnitro's Avatar
 
Join Date: Nov 2011
Posts: 18
Received 3 Likes on 3 Posts
Re: UMI Weight Jacks and Moser 12-Bolt Questions

I just bought the UMI kit front and rear.. I have a quick performance ( with similar to the strange)

Has this been solved?
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
itsMikey
Suspension and Chassis
22
07-16-2018 03:36 PM
Blowtorch79
Suspension and Chassis
2
05-17-2013 06:47 PM
19doug90
Suspension and Chassis
10
06-11-2010 12:52 AM
87350IROC
Suspension and Chassis
5
03-07-2010 07:36 PM
CustomX
Suspension and Chassis
13
04-22-2003 02:29 AM


Thread Tools
Search this Thread
Quick Reply: UMI Weight Jacks and Moser 12-Bolt Questions



All times are GMT -5. The time now is 11:49 PM.