Spring rates on coilovers - Ford Powerstroke Diesel Forum

 
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post #1 of 6 Old 07-09-2012, 11:04 PM Thread Starter
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Spring rates on coilovers

Hey all,

Trying to sort my suspension out...still. What spring rates and lengths are you guys running on your coilovers?

I have a 10 inch travel coilover on my truck, with a 40-45% droop. Trying to sort out lengths and rates of a dual rate set up.

Any numbers and experiences would be great!

2002 F-350, was a DRW, now a SRW (but kept the dana 80 ARB's front and back, 4.88 gears on 37's
AIS, 4 inch MBRP, 38R ww2, IHI bellowed up pipes
PHP 6 Pos Chip, swamps 140 volt mod
PMF coilovers and 4 link...front and back
2008 D60 up front, 2002 D80 out back
Psc hydro assist with ported hydroboost, p pump
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post #2 of 6 Old 07-10-2012, 07:55 AM
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I have not done one on a Superduty but when I did mine on my Scout I got all of my information from pirate4x4.com. They have a great forum full of information about custom suspension set ups.
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post #3 of 6 Old 07-10-2012, 09:07 AM Thread Starter
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Yep. Reading there too. But hoping to find some of the carli icon fabtech numbers as well.

2002 F-350, was a DRW, now a SRW (but kept the dana 80 ARB's front and back, 4.88 gears on 37's
AIS, 4 inch MBRP, 38R ww2, IHI bellowed up pipes
PHP 6 Pos Chip, swamps 140 volt mod
PMF coilovers and 4 link...front and back
2008 D60 up front, 2002 D80 out back
Psc hydro assist with ported hydroboost, p pump
fifty is offline  
post #4 of 6 Old 07-10-2012, 12:03 PM
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Gotcha.. What coilovers are you using and what diameter?

I have a extra set of 2.0's and I am wondering if I can get away with running those in the rear.......... I am thinking that might be wishful thinking.
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post #5 of 6 Old 07-10-2012, 12:18 PM
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I had fabtech 4.0 coilovers on my truck and it rode like complete s h i t!! Way too big of a coilover. A buddy of mine use to have a harley f250 with King Coils that were 3.0x14" diameter with 3.75x22x350lb coils. His truck was one of the best riding lifted trucks I have been in. Call king/fox or any other coilover manufacturer and they will set you up with the proper spring rated coilovers.


2005 Ford Excursion 4x4 Limited(Current)
2006 F350 Crew Cab 6.0 Lifted 6",22's,SRL, Edge CTS(Totaled)
2003 F250 Crew Cab 6.0 Sonic Blue Sport 38s/20s(SOLD)
2001 F250 Crew Cab 7.3 w/ 08 Clip 37s/22x14s(SOLD)
2005 Excursion Limited 6.0 I.D. Tunes 38s/20s(SOLD)
2008 F350 Crew Cab 6.4 Job II 2.5" Leveling kit(SOLD)
2001 F250 Single Cab Short Bed Looney Tuned 6.0 Conversion Studded/EGR Delete(SOLD)


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post #6 of 6 Old 07-10-2012, 12:22 PM Thread Starter
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I just got off the phone with ads machine. They were super patient with me. They are doing the math and are then goin to sen me out some stuff. I'll update when I find out.

On my rears I am running 400 over 500.

2002 F-350, was a DRW, now a SRW (but kept the dana 80 ARB's front and back, 4.88 gears on 37's
AIS, 4 inch MBRP, 38R ww2, IHI bellowed up pipes
PHP 6 Pos Chip, swamps 140 volt mod
PMF coilovers and 4 link...front and back
2008 D60 up front, 2002 D80 out back
Psc hydro assist with ported hydroboost, p pump
fifty is offline  
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