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what coils to use???

rangerdestroyer

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im looking around and doing search before i jump into in my swap but need some help? what kinda coils would work for the swap? im planing on running a d30&8.8 now 33" tires max its just for a trail truck. what you guys think if i use broncograveyards superflex 4"coils they say 300lbs/inch 23" unloaded or do you think they be to soft. i want lots of flex. any suggestions on what coil if they not good.
 


kryptonitecb

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People are running jeep springs which are 230 (if I remember correctly ) so 300 should be ok.

Sent from the road while ignoring traffic
 

crawlin91

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any of the jeep xj lift coils should be about right running a dana 30......

.....and modify your coil buckets to retain the coils similar to a Jeep and you will have all the flex you need.

 

cmequestionu

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I have the superflex for the F150 on my truck. They flex pretty good but have good manners onroad as well. They are 300lb, I would almost prefer somthing a bit softer but with no sway bar 300 works for me. In reality if you want to flex more you are prolly doing more than that D30 can handle. Good luck on your swap and be sure to post updates and refer back for info, just remember to try searching before starting a new thread.
 

1freaky1

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4.0B2

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I'd go with a XJ coil.. 4" or 6" lift coil for a cherokee... good and soft.
 

brinker88

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Rough Country XJ coils are 170 PPI. They're dirt cheap and flex very well.
 

MudSlanger

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I picked up some Rough Country 6" lift coils for the XJ. They look awesome to me and fit my dana 30 perfectly :)
 

tomahawk350

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I've run 6" RC XJ coils for 4 yrs now. 2 or more years ago I added a custom winch bumper and winch. I think they have settled. Anyone else notice this? Switch to f150 coils? Anyone know what lift f150 coil would swap in place of a 6" XJ coil?

thanks?
 

4.0B2

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I tried 6" XJ coils but they were Rough county and only 110ppi and WAYYYY to soft.

EB coils have a better rate for most of us at 180ish ppi
 

tomahawk350

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Thanks!
I tried to find specs of XJ coils length/spring rate to find a suitable replacement. Anyone have them?
 

rangerguy1996

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Is the truck a regular cab or extended. I tried cage springs witch were way too soft the supper flex were better but I ended up calling dever springs and having ones made think they are 220 ppi. But that's for extended cab.
 

tomahawk350

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Bronco 2

Sent from my SAMSUNG-SGH-I747 using Tapatalk
 

tomahawk350

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FYI...Here is what I found our from RC:

Bar dia. 0.625

Load 930

Free length 22 1/2”

Total coils 12.55

Ist end pigtail

2nd end tangentail

Ride Ht 17.56”

Rate 190

OD 5.25

Does anyone have a stiffer spring equivalent?
 

tomahawk350

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Anyone try BDS? Here are the specs from their site...


BDS COIL SPRING SPECIFICATIONS: Part# 034652
Part# Diameter Rate Length Inside Diameter
034652 0.687 240 21.750 4.03"


VEHICLE COMPATIBILTY LIST: Part# 034652
Make Model Year Lift Location
Jeep Cherokee XJ 84-01 6.5" Front
 

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