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Dragsinger Member

Joined: 25 Aug 2008 Posts: 143 Location: Kilgore Tx [North East Tx]
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Posted: Wed Nov 04, 2009 10:54 pm Post subject: rear coil over shocks "tilted back mounting" |
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Rear coil over shocks mounting options
In the past I have mounted rear coil over shocks “straight up” Because of limited space with the current project, “tilting” the top back about 8 degrees would solve the clearance issue.
Have some of you done so with an install? Is there any negative to tilting the shock back for clearance purposes?
This will be an aluminum body adjustable shock, 5” travel, 110 pound spring.
Thanks _________________ Larry Woodfin - owner
Woodfin Automotive
Builder of Kinetic Art |
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axegrinder Expert

Joined: 13 Sep 2007 Posts: 577 Location: TX
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Posted: Thu Nov 05, 2009 11:35 am Post subject: |
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The shocks and springs just act softer.
Denis |
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BirdMan Member

Joined: 19 Jan 2009 Posts: 190 Location: Topeka, KS
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Posted: Sat Nov 07, 2009 2:42 pm Post subject: |
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Quote 'The shocks and springs just act softer'
I feel the shocks will act stiffer as they will have to travel further for diff. vertical movement and therefore more controlability/adjustability. Might need to replace with longer travel ones.
On my Falcon I have ladder bars and run with the stock inward tilted shock location because of the above thought.
Yes, I believe the springs will appear softer and may require stiffer ones for same ride quality/stance. _________________ Dale Cantrell - owner of the following 'Birds'
'86 Thunderbird TurboCoupe
'65 Falcon 347 c.i. new engine > the 412
'64 Falcon 412 c.i. being assembled now |
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axegrinder Expert

Joined: 13 Sep 2007 Posts: 577 Location: TX
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Posted: Sat Nov 07, 2009 8:40 pm Post subject: |
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| BirdMan wrote: | Quote 'The shocks and springs just act softer'
I feel the shocks will act stiffer as they will have to travel further for diff. vertical movement and therefore more controlability/adjustability. Might need to replace with longer travel ones.
On my Falcon I have ladder bars and run with the stock inward tilted shock location because of the above thought.
Yes, I believe the springs will appear softer and may require stiffer ones for same ride quality/stance. |
You have a point about the shocks. But Im not sure Where is MadBill? He would know.
Denis |
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BLACK BART Pro

Joined: 20 Feb 2007 Posts: 390 Location: California
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Posted: Tue Nov 10, 2009 2:13 am Post subject: |
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Denis, you had it exactly right the first time. The shocks and springs will act a little softer if tilted back rather than mounted straight up and down.
They will also have less travel for a given movement of the differential. Think of a right triangle. Put the 90° corner where the top of the vertical mounted shock would be. Put one of the other corners where the top of the angled shock would be. Then put the last corner where the shocks would mount on the bottom at the differential. Now pick a point on the vertical line part way up to simulate differential movement. Redraw the triangle without disturbing the two top corners. Now see which side of the triangle moved the most. The vertical side of the triangle that represents the vertical shock will always move the most compared to the angled side which represents the shock that's angled back.
My geometry teacher would be proud right now.
I hope that explanation made sense to someone other than me. CJ _________________ Arguing with someone on the Internet is like participating in the Special Olympics...Even if you win you are still retarded! |
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axegrinder Expert

Joined: 13 Sep 2007 Posts: 577 Location: TX
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