RSK?!?!? - Diesel Forum - TheDieselStop.com
Power Strokes 1994-1997 Upgrades and Aftermarket Upgrading or adding OEM or aftermarket equipment to your 1994-1997 Ford F-Series with Power Stroke engine.

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post #1 of 17 (permalink) Old 01-10-2013, 11:32 PM Thread Starter
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RSK?!?!?

I have a 1997 F350 4x4 and im going with the PMF 2.25" RSK. Which leaf spring do you recommend X code or V code? Whats the difference in the 2?

Thanks

NEW TRUCK1997 Ford F350, 7.3 Power Stroke Diesel, 4x4, Long Bed, ARE Topper, Clear Headlights

OLD TRUCK2003 Ford F250, 6.0 Power Stroke Diesel, Fx4, Lariat, 4" Skyjacker Lift, 35" Nitto All-Terrains, 18" XD Rims, 7" Aussie Matte Black Stacks, Smoked Headlights, Cab Lights, Mirror and Taillights
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post #2 of 17 (permalink) Old 01-13-2013, 01:39 AM
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I did the 2.25 RSK. Very happy with the kit but not happy with the ride. I went with Bilsteins and V code springs but the ride is too soft for my liking. It is better than stock though especially when hitting bumps. The worst is when towing a trailer I get a lot of front end bounce. If I could have gotten X codes I think it would have been better. I don't want to run duel shocks but I may have to to stiffen the ride.

96 F350 4x4 XLT 7.3 59,428 orig miles, Stage I's, Adrenaline, IDM, gutted EBPV, Tymar intake, Banks intercooler, downpipe, gauges, TW 4 position chip, John Wood Towmaster, Ford 08 diff cover, Oil gauge mod, Electric fuel conversion, RSK, OH console, Durn cat done run off an I can't find it.

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post #3 of 17 (permalink) Old 01-13-2013, 02:12 AM
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Get ahold of Caryt on the forums here. He is the suspension expert.

96 F250 PS XLT 4X4 long box, 5sp,4.10, manual hubs,pyro+boost guages, Dark Toumaline, add a leaf, Dale's TYMAR, and HX hose, downpipe, coolant filter, Luk clutch
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post #4 of 17 (permalink) Old 01-13-2013, 01:44 PM Thread Starter
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Did ur truck sit level when u did your kit?

NEW TRUCK1997 Ford F350, 7.3 Power Stroke Diesel, 4x4, Long Bed, ARE Topper, Clear Headlights

OLD TRUCK2003 Ford F250, 6.0 Power Stroke Diesel, Fx4, Lariat, 4" Skyjacker Lift, 35" Nitto All-Terrains, 18" XD Rims, 7" Aussie Matte Black Stacks, Smoked Headlights, Cab Lights, Mirror and Taillights
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post #5 of 17 (permalink) Old 01-13-2013, 07:44 PM
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I have installed an rsk,.....about six years ago, and still love it. I also installed air bags in the rear with stock springs, at 30 psi, the truck sits level, and when I'm towing (10k lbs.), I can add more air to improve driveability.

1997 F-350 XLT, 4wd, crew cab, E-4OD,TDE-1, 4:10's (as of 7-2015, truck has 312k miles)
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post #6 of 17 (permalink) Old 01-13-2013, 09:52 PM Thread Starter
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I was looking for the x code spring and i came across this X Code Leaf Spring 1999-2004 Ford F250SD, F350SD 4wd - Leaf Spring (Front) [43-818] | $109.95

Is this right?

NEW TRUCK1997 Ford F350, 7.3 Power Stroke Diesel, 4x4, Long Bed, ARE Topper, Clear Headlights

OLD TRUCK2003 Ford F250, 6.0 Power Stroke Diesel, Fx4, Lariat, 4" Skyjacker Lift, 35" Nitto All-Terrains, 18" XD Rims, 7" Aussie Matte Black Stacks, Smoked Headlights, Cab Lights, Mirror and Taillights
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post #7 of 17 (permalink) Old 01-14-2013, 03:17 PM
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NEVER but any springs from anywhere but a Ford dealer..others will not be the same.
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post #8 of 17 (permalink) Old 01-14-2013, 11:40 PM Thread Starter
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I see people putting b code springs in the rear. What would i have 2 do to make them fit? Does that make the truck sit pretty level? Sorry 4 all the questions

NEW TRUCK1997 Ford F350, 7.3 Power Stroke Diesel, 4x4, Long Bed, ARE Topper, Clear Headlights

OLD TRUCK2003 Ford F250, 6.0 Power Stroke Diesel, Fx4, Lariat, 4" Skyjacker Lift, 35" Nitto All-Terrains, 18" XD Rims, 7" Aussie Matte Black Stacks, Smoked Headlights, Cab Lights, Mirror and Taillights
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post #9 of 17 (permalink) Old 01-15-2013, 12:15 PM
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Redrill the hangers and shackles to fit SD spring bolts...we first did this to a OBS in 99.

Our RS kit V and B codes with a F350block will set level and clear 35" tires.
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post #10 of 17 (permalink) Old 01-15-2013, 05:19 PM
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Quote:
Originally Posted by westcoast4121 View Post
Did ur truck sit level when u did your kit?
I did the B codes in the back but the truck still sits just a hair higher in the front. Might have to do airbags to even out the ride.

96 F350 4x4 XLT 7.3 59,428 orig miles, Stage I's, Adrenaline, IDM, gutted EBPV, Tymar intake, Banks intercooler, downpipe, gauges, TW 4 position chip, John Wood Towmaster, Ford 08 diff cover, Oil gauge mod, Electric fuel conversion, RSK, OH console, Durn cat done run off an I can't find it.

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post #11 of 17 (permalink) Old 01-17-2013, 11:59 AM Thread Starter
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So you don't have to move the brackets just drill the hole to fit a bigger bolt. How much does the b code springs raise the rear?

NEW TRUCK1997 Ford F350, 7.3 Power Stroke Diesel, 4x4, Long Bed, ARE Topper, Clear Headlights

OLD TRUCK2003 Ford F250, 6.0 Power Stroke Diesel, Fx4, Lariat, 4" Skyjacker Lift, 35" Nitto All-Terrains, 18" XD Rims, 7" Aussie Matte Black Stacks, Smoked Headlights, Cab Lights, Mirror and Taillights
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post #12 of 17 (permalink) Old 01-17-2013, 12:36 PM
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Should stay the same..all depends on conditions of old and new springs.
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post #13 of 17 (permalink) Old 07-09-2013, 10:32 AM
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Quote:
Originally Posted by JoeDown View Post
I did the 2.25 RSK. Very happy with the kit but not happy with the ride. I went with Bilsteins and V code springs but the ride is too soft for my liking. It is better than stock though especially when hitting bumps. The worst is when towing a trailer I get a lot of front end bounce. If I could have gotten X codes I think it would have been better. I don't want to run duel shocks but I may have to to stiffen the ride.
I agree on the ride disappointment, my truck rides better than before but too soft for me, seems to floaty. Also I get more lean when going around corners than I like.

01 Excursion Diesel 4x4 family wagon,3" lift,33" Bfg,afe stg 2 intake,.....

97 f350 4x4 crew cab long bed,Sky 3" RSK with V & B codes, Bilsteins, 33" toyo's, Tymar Intake,mbrp 4" straight exhaust,Isspro EV gauges, shimmed IPR,more to come...........

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progress......77 flh Harley shovelhead
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post #14 of 17 (permalink) Old 07-09-2013, 12:18 PM
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Add a rear sway bar to the OBS...will fix the sway. Correct Bilsteins shouldn't be to soft or bounce when towing...
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post #15 of 17 (permalink) Old 07-10-2013, 12:24 AM
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Quote:
Originally Posted by JoeDown View Post
I went with Bilsteins and V code springs but the ride is too soft for my liking. It is better than stock though especially when hitting bumps. The worst is when towing a trailer I get a lot of front end bounce.
Which Bilsteins, the yellow ones? If so those are just stock replacements. Gotta go with the 5100s to get any benefit.
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