EXTREMELY bouncy...
Thread Starter
|
Junior User
Joined: Feb 2003
Posts: 89
Likes: 0
From: Spanaway, Washington
EXTREMELY bouncy...
Just got a 2003 SD 250XLT LB 2x4 7.3L with the 8800# package. Just have a couple questions...
1) First of all, is the 8800# package standard on the Super Duty Long Beds, or is this an option!?
2) This vehicle is EXTREMELY bouncy on the freeways here in Southern California. For those of you that are here in the South Bay area, and drive the 405 around the South Bay Curve (Between Crenshaw & 105 Fwy), it is EXTREMELY bouncy in those areas. I know the fwy itself is screwed, because when I ride my motorcycle, even that is bouncy, and you can see the waves in the road. Is this normal on this vehicle to bounce like that!? If so, why!? Is it because of the 8800# package, or is it like one dealership told me it is the Long Bed frame that does it!?
I am just curious why this vehicle does this so bad.
TIA!
1) First of all, is the 8800# package standard on the Super Duty Long Beds, or is this an option!?
2) This vehicle is EXTREMELY bouncy on the freeways here in Southern California. For those of you that are here in the South Bay area, and drive the 405 around the South Bay Curve (Between Crenshaw & 105 Fwy), it is EXTREMELY bouncy in those areas. I know the fwy itself is screwed, because when I ride my motorcycle, even that is bouncy, and you can see the waves in the road. Is this normal on this vehicle to bounce like that!? If so, why!? Is it because of the 8800# package, or is it like one dealership told me it is the Long Bed frame that does it!?
I am just curious why this vehicle does this so bad.
TIA!
Senior User
Joined: May 2002
Posts: 290
Likes: 0
From: Birmingham, Al U.S.A.
EXTREMELY bouncy...
It is a simple force vector and frequency (speed) scenario. The shocks at certain frequencies can't recover to absorb or dampen another cycle fast enough, like a diver taking several bounces on a diving board using the energy of the previous bounce. In this case that energy works against you, you and your truck acsorb it. Changing your shocks will help but not eliminate the irregular surface shock amplitude on certain freeways. On mine, an 02 4X4 it helped but not very much. I changed from stock, at 17K to to the Rancho 9000 now at 31K. On a 2X4 changing the shocks should help more.
Senior User
Joined: Jan 2002
Posts: 270
Likes: 0
From: Okinawa Japan
EXTREMELY bouncy...
There was a thread on this some topic in just about the same area that had to do with the length or your truck being about the same as the breaks in the pavement, thus making your vehicle seem as if it is bouncing when both tires are hitting them at the same time.
Thread Starter
|
Junior User
Joined: Feb 2003
Posts: 89
Likes: 0
From: Spanaway, Washington
EXTREMELY bouncy...
I was thinking about changing the shocks, but I also have a `79 F150 Supercab 4x4 LB, that does the same thing, but not nearly as bad. I replaced the shocks on it with bigger monroe shocks, and it eliminated quite a bit of it, so I figured it had something to do with that. It's just funny, because when I drive by other SD's that are SB's, they are looking at me like I have a tow truck pacakge on it or something! 
I guess that's one of the draw backs of living in So. Ca., huh!?
Thanks all!
I guess that's one of the draw backs of living in So. Ca., huh!?
Thanks all!
Postmaster
Joined: Feb 2002
Posts: 2,773
Likes: 0
From: Bonney Lake, WA
EXTREMELY bouncy...
It's also possible that the previous owner has done something to firm up the front suspension. If an add-a-leaf or air bags were installed on the front, it could be that the ride is being affected by that. My truck has air bags at all four corners, and inflating the front bags will raise the front of the truck a few inches, but will make the ride brutal.
Just a thought.
Just a thought.
