Notices
2015 - 2020 F150 Discuss the 2015 - 2020 Ford F150
Sponsored by:
Sponsored by:

Rear Axle

Thread Tools
 
Search this Thread
 
Old Jan 1, 2018 | 12:19 PM
  #1  
EB-Larry's Avatar
EB-Larry
Thread Starter
|
Junior User
Joined: May 2014
Posts: 55
Likes: 0
Rear Axle

Here's a question for the group. I'm coming off a 2007 Expedition with independent rear suspension and I've never owned a modern pickup so bear with me. Why does Ford place one of the shocks in front of the axle and the other behind?
 
Reply
Old Jan 1, 2018 | 01:00 PM
  #2  
Beachums's Avatar
Beachums
Tuned
10 Year Member
Photogenic
Joined: Jul 2015
Posts: 353
Likes: 5
From: N.W. Indiana
I guess it is supposed to help minimize axle wrap, wheel hop and binding. At least that's what a mechanic a few years back told me.
It is common in lighter duty trucks vs heavier.
 
Reply
Old Jan 1, 2018 | 01:08 PM
  #3  
Tom's Avatar
Tom
Super Moderator
20 Year Member
Liked
Loved
Community Favorite
Joined: Aug 2003
Posts: 25,479
Likes: 742
From: Isanti, MN
Club FTE Gold Member
Originally Posted by EB-Larry
Here's a question for the group. I'm coming off a 2007 Expedition with independent rear suspension and I've never owned a modern pickup so bear with me. Why does Ford place one of the shocks in front of the axle and the other behind?
It's far more than just Ford, I believe all manufacturers who use a solid axle use staggered shocks for a variety of reasons. I tried looking up some credible engineering talk about the subject and couldn't find much. It's a common mod to add a staggered shock mount to vehicles that didn't already have them.

Staggered Shock Info

https://answers.yahoo.com/question/i...1140025AAdgdFj
 
Reply
Old Jan 1, 2018 | 01:43 PM
  #4  
85e150's Avatar
85e150
Super Moderator
20 Year Member
Community Builder
Liked
Community Favorite
Joined: Apr 2004
Posts: 34,481
Likes: 2,801
Club FTE Gold Member
Interesting link on the Boss mustang. Ford introduced staggered shocks in 1968 in mustangs with 4bbl v8s. Not sure why a crude retrofit looking setup would show up in a Boss car.
 
Reply
Old Jan 1, 2018 | 07:34 PM
  #5  
deserteagle69's Avatar
deserteagle69
Mountain Pass
10 Year Member
Liked
Loved
Community Favorite
Joined: Apr 2016
Posts: 183
Likes: 56
From: Middle of Nevada
Originally Posted by EB-Larry
Here's a question for the group. I'm coming off a 2007 Expedition with independent rear suspension and I've never owned a modern pickup so bear with me. Why does Ford place one of the shocks in front of the axle and the other behind?
Not just Ford. My 1988 Chevy was that way, so is my 2004 Dodge dually.
 
Reply
Old Jan 1, 2018 | 10:47 PM
  #6  
DevilDog556's Avatar
DevilDog556
Senior User
Joined: Aug 2017
Posts: 336
Likes: 2
I believe the F150 gained this design back when the '04's came out. Improved stability i think.
 
Reply
Old Jan 2, 2018 | 08:32 AM
  #7  
shortride's Avatar
shortride
Posting Guru
Veteran: Army
Joined: Nov 2010
Posts: 2,027
Likes: 7
From: 46th State
The staggered rear shock geometry greatly improves rear axle stability. Staggered shocks simply means that one shock is placed in front of the axle and the other is placed behind the axle. This configuration is more stable under all conditions and reduces wheel hop, spring wrap up etc.

The staggered shock configuration was added to all Boss 302 Mustangs, Shelby GT 500's, and 428 Drag Pack cars to support their high performance demands. The shock that trails the axle is mounted to additional frame structure that was welded into the floor pan just in front of the gas tank above the rear end. This frame structure consisted of 4 sheet-metal components that reinforce the floor and are welded to each frame rail. In addition to the frame structure, the lower shock mount plate for the left side is designed with the mounting point coming out behind the axle. Also both left and right are thicker and have more material around the shock-mounting hole.
 
Reply
Old Jan 3, 2018 | 12:13 AM
  #8  
TJReams's Avatar
TJReams
Fleet Mechanic
Veteran: Army
Joined: Sep 2016
Posts: 1,801
Likes: 48
From: Abilene TX.
Originally Posted by DevilDog556
I believe the F150 gained this design back when the '04's came out. Improved stability i think.
No in 05 is when they went on the outside of the frame rails, they were already staggered.
 
Reply
FTE Stories

Ford Trucks for Ford Truck Enthusiasts

story-0

Top 10 Most Expensive Ford Trucks Ever Sold on Bring a Trailer

 Joe Kucinski
story-1

2027 Ford Super Duty Buyer's Guide (Every Model, Engine, & Package)

 Brett Foote
story-2

Top 10 Ford Truck Tragedies

 Joe Kucinski
story-3

AEV FXL Super Duty - the Super Duty Raptor Ford Doesn't Make

 Brett Foote
story-4

Lobo Vs Lobo: Proof the F-150 Lobo Should Be Even Lower!

 Michael S. Palmer
story-5

Ford's 2001 Explorer Sportsman Concept Looks For a New Home

 Verdad Gallardo
story-6

10 Best Ford Truck Engines We Miss the Most!

 Joe Kucinski
story-7

2026 Shelby F-150 Off-Road: Better Than a Raptor R?

 Brett Foote
story-8

2027 Super Duty Carhartt Package First Look: 12 Things You NEED to Know!

 Michael S. Palmer
story-9

10 Most Surprising 2026 Ford Truck Features!

 Joe Kucinski
Old Jan 3, 2018 | 12:42 AM
  #9  
DevilDog556's Avatar
DevilDog556
Senior User
Joined: Aug 2017
Posts: 336
Likes: 2
Originally Posted by TJReams
No in 05 is when they went on the outside of the frame rails, they were already staggered.
'04 model was the redesign.
 
Reply
Old Jan 5, 2018 | 12:03 PM
  #10  
TJReams's Avatar
TJReams
Fleet Mechanic
Veteran: Army
Joined: Sep 2016
Posts: 1,801
Likes: 48
From: Abilene TX.
Originally Posted by DevilDog556
'04 model was the redesign.
Yes, you are correct on the year.
 
Reply
Old Jan 6, 2018 | 02:14 AM
  #11  
DevilDog556's Avatar
DevilDog556
Senior User
Joined: Aug 2017
Posts: 336
Likes: 2
Originally Posted by TJReams
Yes, you are correct on the year.
I know I am correct on the year.
 
Reply
Old Jan 6, 2018 | 09:09 AM
  #12  
johnday's Avatar
johnday
Cargo Master
15 Year Member
Liked
Loved
Community Favorite
Joined: Oct 2010
Posts: 2,762
Likes: 536
From: barton city mi
My '72 Comet GT 302 had staggered shocks, it was part of the HD suspension package.
My '04 Ranger Edge does too, must be due to the massive torque/horsepower of the mighty 3.0 V6!!
 
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
JTB321
1948 - 1956 F1, F100 & Larger F-Series Trucks
10
Dec 25, 2017 08:10 AM
rootbeerford
1987 - 1996 F150 & Larger F-Series Trucks
6
Jun 24, 2009 02:06 PM
CN Spots
Brakes, Steering, Suspension, Tires, & Wheels
4
Oct 19, 2007 08:25 PM
Gordilocks
Brakes, Steering, Suspension, Tires, & Wheels
2
Jan 26, 2005 01:32 PM
fatfenders
1948 - 1956 F1, F100 & Larger F-Series Trucks
2
Apr 3, 2003 06:21 PM




All times are GMT -5. The time now is 07:20 AM.

story-0
Top 10 Most Expensive Ford Trucks Ever Sold on Bring a Trailer

Slideshow: 10 most expensive Ford trucks ever sold on Bring a Trailer.

By Joe Kucinski | 2026-05-27 16:24:34


VIEW MORE
story-1
2027 Ford Super Duty Buyer's Guide (Every Model, Engine, & Package)

Here's everything that has changed for the latest model year.

By Brett Foote | 2026-05-27 16:17:28


VIEW MORE
story-2
Top 10 Ford Truck Tragedies

Slideshow: Top 10 Ford truck tragedies.

By Joe Kucinski | 2026-05-18 19:34:33


VIEW MORE
story-3
AEV FXL Super Duty - the Super Duty Raptor Ford Doesn't Make

And it might be even better than that.

By Brett Foote | 2026-05-18 19:26:42


VIEW MORE
story-4
Lobo Vs Lobo: Proof the F-150 Lobo Should Be Even Lower!

Slideshow: Does lowering an F-150 Lobo RUIN the ride quality?

By Michael S. Palmer | 2026-05-18 19:20:37


VIEW MORE
story-5
Ford's 2001 Explorer Sportsman Concept Looks For a New Home

Slideshow: Ford's bizarre fishing-themed Explorer concept has resurfaced after spending decades largely forgotten.

By Verdad Gallardo | 2026-05-12 18:07:46


VIEW MORE
story-6
10 Best Ford Truck Engines We Miss the Most!

Slideshow: The 10 best Ford truck engines we miss the most.

By Joe Kucinski | 2026-05-12 13:09:47


VIEW MORE
story-7
2026 Shelby F-150 Off-Road: Better Than a Raptor R?

Slideshow: first look at the 810 hp 2026 Shelby F-150 Off-Road!

By Brett Foote | 2026-05-12 12:50:07


VIEW MORE
story-8
2027 Super Duty Carhartt Package First Look: 12 Things You NEED to Know!

Slideshow: Everything You Need to Know about the 2027 Super Duty Carhartt Package!

By Michael S. Palmer | 2026-05-07 17:51:06


VIEW MORE
story-9
10 Most Surprising 2026 Ford Truck Features!

Slideshow: 10 most surprising Ford truck options/features in 2026.

By Joe Kucinski | 2026-05-05 11:17:22


VIEW MORE