Gears & Axles Driveshafts | Rearends | Differentials | Gears | 12 Bolt | 9 Inch | Dana

Shortening rear question

Thread Tools
 
Search this Thread
 
Old Dec 16, 2007 | 09:52 PM
  #1  
datsbad's Avatar
Thread Starter
9 Second Club
iTrader: (3)
 
Joined: Jul 2003
Posts: 585
Likes: 0
From: pa
Default Shortening rear question

I would like to use a deeper dish wheel than my current 15x10 with a 7.5 bs. What are some of you guys doing. Can I shorten it enough to do what I want but not min tub it.

Any control arm spring issues. I want the wheels to sit where they are now but I want the inside deeper. I was thinking going with 2.5 per side and use a 5" bs wheel. Is this right ?

I know someone on here has done this. Any help would be great . Thanks Jason

Last edited by datsbad; Dec 16, 2007 at 10:17 PM.
Reply
Old Dec 18, 2007 | 04:33 AM
  #2  
EPP's Avatar
EPP
FormerVendor
iTrader: (22)
 
Joined: Mar 2003
Posts: 13,063
Likes: 2
Default

You can go up to 3.00 inches on each side, and your thinking is correct. When ordering a new Moser rear-end, we can shorten the rear up to three inches on each side, and it is no extra charge. Bob
Reply
Old Dec 18, 2007 | 10:48 AM
  #3  
RAGENZ28's Avatar
TECH Addict
iTrader: (5)
 
Joined: Jun 2002
Posts: 2,467
Likes: 1
From: Port Hueneme, CA
Default

Originally Posted by datsbad
I would like to use a deeper dish wheel than my current 15x10 with a 7.5 bs. What are some of you guys doing. Can I shorten it enough to do what I want but not min tub it.

Any control arm spring issues. I want the wheels to sit where they are now but I want the inside deeper. I was thinking going with 2.5 per side and use a 5" bs wheel. Is this right ?

I know someone on here has done this. Any help would be great . Thanks Jason
I would get the rims and tires with the backspace you want, like you said a 15x10 with 5" backspace.

Then set the car at ride hight, center the tire so it fits just right then measure between the rims, and then you have it perfect for your rim and tire setup, most rim companies only go backspacing every inch.

Since you're going to order your rear end new and have it narrowed you can have it made to the width you need, remember most places will shorten the rear end in 1/8th" increments. So you can get it exactly to fit perfect and have as much clearance as possible.

Getting it narrowed 3 per side and using 3" less back space might fit ok, but to have the same space inside and out you'd be better off getting a custom narrowed with rather than a general figure people run.
Reply
Old Dec 19, 2007 | 04:34 AM
  #4  
revtime's Avatar
TECH Resident
iTrader: (1)
 
Joined: Apr 2006
Posts: 819
Likes: 0
From: OMG I'm in Kansas
Default

My Strange 12 bolt is narrowed 2.5 inches per side and I run a Weld Pro Star XP 15 x 10 with 5.5 BS. Little bit of work to get everything to fit right but well worth the effort.
Reply




All times are GMT -5. The time now is 12:48 PM.

story-0
6 Gifts Neither Your Dad Nor Grad Will Shove Into the 'Trinket Drawer'

Don't get dad new socks or a grill brush this year.

By Brett Foote | 2026-06-04 18:13:20


VIEW MORE
story-1
Topdon ONE vs. Artidiag 800 BT2: Which is the Diagnostic Tablet For You?

Slideshow: We take a close look at the ONE and Artidiag 800BT2 diagnostic tools from Topdon and the reasons to buy one over the other.

By Pouria Savadkouei | 2026-05-28 11:05:11


VIEW MORE
story-2
Gas Monkey Built a 6-Wheel Ferrari Testarossa With a Corvette LT4 Engine

Slideshow: The controversial Ferrari F6 swaps its original flat-12 for a Corvette Z06-derived LT4 V8 and sends power to four rear wheels through a custom-built drivetrain.

By Verdad Gallardo | 2026-05-26 18:23:54


VIEW MORE
story-3
7 Most Reliable High-Performance Engines GM Has Ever Built

Slideshow:These GM engines didn't just make huge power, they survived abuse, boost, track days, and six-digit mileage with a reputation for refusing to quit.

By Verdad Gallardo | 2026-05-21 16:45:27


VIEW MORE
story-4
Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin

Slideshow: This heavily modified 1971 Camaro mixes classic muscle car styling with a fifth-generation Camaro interior and modern LS3 power.

By Verdad Gallardo | 2026-05-12 18:06:42


VIEW MORE
story-5
6 Common C5 Corvette Failures and What's Involved In Repairing Them

Slideshow: From wobbling harmonic balancers to failed EBCMs, these are the issues that define long-term C5 ownership and what repairs typically involve.

By Pouria Savadkouei | 2026-05-07 18:44:57


VIEW MORE
story-6
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph

Slideshow: A modern Camaro transformed into a retro icon, this limited-run "Bandit" build blends nostalgia with brute force in a way few revivals manage.

By Verdad Gallardo | 2026-04-21 13:57:02


VIEW MORE
story-7
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

Slideshow: Cadillac didn't just crash the high-performance luxury vehicle party, it showed up loud, supercharged, and occasionally a little unhinged...

By Pouria Savadkouei | 2026-04-16 10:05:15


VIEW MORE
story-8
Top 10 Most Powerful Chevy Trucks Ever Made!

Slideshow: Top ten most powerful Chevy trucks ever made

By | 2026-03-25 09:22:26


VIEW MORE
story-9
Hennessey's New Supercharged Silverado ZR2 Has 700 HP

Slideshow: Hennessey has turned the Silverado ZR2 into a 700-hp off-road monster with supercharged V8 power and a limited production run.

By Verdad Gallardo | 2026-03-24 18:57:52


VIEW MORE