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Coil Spring Rates (PPI) and Free Lengths


Vincentghannah

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31
I put this info together. Hopefully someone can use it. I do not know if these coils will fit in ranger coil buckets or not so do your own research there. I have heard of people using these coils.

What are they?Part NumberPPI (pounds per inch)
AKA spring rate
Free Length
Stock Ranger Coil50013
Skyjacker Ranger Leveling Coils For Standard CabSkyjacker 13239314 7/16
Skyjacker Ranger Leveling Coils For Extended CabSkyjacker 132x39315 7/16
Skyjacker Ranger 4” lift coilsSkyjacker 13448017
Skyjacker Ranger 6” lift coilsSkyjacker 13643518 7/8
Skyjacker Ranger 8” lift coilsSkyjacker 13843021
Skyjacker Jeep Cherokee Lift Coils 6”Skyjacker JC60F23021 15/16
Skyjacker Jeep Cherokee Lift Coils 8”Skyjacker JC80F23523
Skyjacker Jeep Wrangler Lift Coil 6”Skyjacker TJ60F18022
Skyjacker Jeep Wrangler Lift Coil 8”Skyjacker TJ80F22722.5
Skyjacker 80-96 F150 6” LiftSkyjacker 18662320 1/8
Skyjacker 80-96 F150 8” LiftSkyjacker 18856022 1/4
Skyjacker 79 F150 2” liftSkyjacker 172330 400 variable rate18
Skyjacker 79 F150 4” liftSkyjacker 17452519 1/2
Skyjacker 79 F150 6” liftSkyjacker 17645221
Skyjacker 79 F150 9” liftSkyjacker 17955023
Rough Country Ranger Leveling Coils9264-444514 1/8
Rough Country Ranger 4” lift926143518 1/8
Deaver 7” EB or 70s F150 Superflex coilsBB6 Coil30025
Deaver 5” EB or 70s F150 Superflex coilsBB4 Coil30023
EB Coil Spring StockCC81636618
JBG EB Coil 1” lift11232018.5
JBG EB 4” lift11441520
JBG EB 6” lift11640022 1/4
JBG EB 9” lift12046023 3/4
BDS 6” Ranger Coil?41020
Deaver 5.5” 1980 Bronco Coil1645HF64C or csf64 (found 2 numbers)?22
Deaver 5.5 cherokee XJ coilCs09??
 


sgtsandman

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Pre-2008 lift/Stock
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31X10.5R15/265/65R17
You might want to post this in the articles submission section for the tech library. What do you think @Jim Oaks?
 

ericbphoto

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3.0L
Transmission
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2WD / 4WD
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Total Lift
6"
Tire Size
35"
My credo
In theory, theory and practice are the same. In practice, they are different.
Excellent chart! I've been trying to research that myself lately. It is very a frustrating process to track that stuff down. Thank you for your work.
 

SenorNoob

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4.0
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Manual
2WD / 4WD
4WD
Total Lift
1.5" Front + 4" Rear
Tire Size
245-70-R16
Definitely needs to be in library!
 

bobbywalter

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4WD
Total Lift
sawzall?
Tire Size
33-44
My credo
it is easier to fix and understand than "her"
Coil turns and wire diameter are the missing critical points. Great list though..


There is a RC 6in xj that's 140 ish ppi and 24.5 free. Have to count the turns and measure wd.
 

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