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Suspension Tech General discussion of suspension for the Ford Ranger.

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Old 05-18-2010
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spring code

i just ran out earlyer and looked at the door at my spring code it reads 3333 whats that mean ive heard of C's and K's but not a 3's i also take it that my front coilspings are 3's as well my truck is a single cab 4 banger 6 foot bed so im figuring that they are the softes of the springs
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Old 05-18-2010
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You just made me go look at mine

mine says 11KK... Whats that mean?

Ive got an ext.cab steppie with a 4.0 and 4wd
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Old 05-18-2010
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i think the 11kk means you have kk tortion bars, not sure about the 11, and i could be completely wrong
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Old 05-18-2010
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11kk means number 1 t-bars and k leafsprings
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Old 05-18-2010
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i think the 11kk means you have kk tortion bars, not sure about the 11, and i could be completely wrong
Opposite that. #1 bars and K leafs.
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Old 05-18-2010
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i just counted my leafs ive got the long one that attaches to the frame 2 more than the little short flat one is that considered a 2,3, or 4 leaf pack i took pics of my door tag and leafs but cant find a cable for the camera
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Old 05-18-2010
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found the dam cable finally
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Old 05-19-2010
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if i remember correctly, 3's are the heaviest duty spring there is in a ranger stock.
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Old 05-19-2010
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if you go to car-parts.com and look for the rear leaf springs for a given year, it will show you the options. for my '98 year, there were K, C, and 3 with 3 being the heaviest/stiffest. I have K packs. :( For some reason, they started doubling the digits in the newer vehicles...maybe showing what each corner is rated at??

If you aren't happy with your 3's...send them my way!!
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Old 05-19-2010
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i think C's are the heavyest thats what comes with the tow package
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Old 05-19-2010
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Quote:
Originally Posted by silverfox View Post
i just ran out earlyer and looked at the door at my spring code it reads 3333 whats that mean ive heard of C's and K's but not a 3's i also take it that my front coilspings are 3's as well my truck is a single cab 4 banger 6 foot bed so im figuring that they are the softes of the springs
Yes, you have 3-code coils up front and 3-code leafpacks in the rear. Going by the Gross Axle Weight Ratings of 2100 and 2550, these should be among the lightest springs available, both front and rear. That makes sense because you have the lightest engine and cab and 2WD.

I don't have detailed specs for 2008MY. For comparison, the 2003 specs list these:

Lightest coils (?) => 2100 GAWR
Lightest t-bars (F-code)=> 2510 GAWR
Lightest leafpacks (3-code) => 2550 GAWR

Heaviest coils (?) => 2600 GAWR
Heaviest t-bars (1-code)=> 2850 GAWR
Heaviest leafpacks (C-code) => 2750 GAWR
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Old 05-19-2010
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That doesn't quite make sense. I have BK on my door. B torsion bars and K spring packs.

I'm rated for 50 extra pounds, but I've got the K springs. My pack has 2 leaves plus overload.

Where'd you get that info rwenzing?? It'd be nice to have it for my year.
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Old 05-19-2010
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2003 Ford dealer sales manual and 2003 Ford factory shop manual. For 2003, axles with K leaf packs are rated at 2600 GAWR. I don't have those books for 1998.
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Old 05-19-2010
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Originally Posted by ccernst View Post
That doesn't quite make sense. I have BK on my door. B torsion bars and K spring packs.

I'm rated for 50 extra pounds, but I've got the K springs. My pack has 2 leaves plus overload.

Where'd you get that info rwenzing?? It'd be nice to have it for my year.
he was listing the lightest and the heavyest on the leafspings im guessing from what rwenzing posted

C=2750
K=2650
3=2550

so your can handle 100 pounds more than the 3's and 100 pounds less than the C's

i tracked down a set of C's for my truck off of a wrecked 09 for $100 im really tempted to get them i wounder if there would be any benifit to going to a stiffer coilspring for the front on my truck? i know it would make it ride more harshly but would it help with body roll?
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Old 05-19-2010
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just when I think i get something figured out....

good luck Mike!
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Old 05-19-2010
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Well if ive got #1 bars that saves me money.. haha cause I wanted to get some. Now I know I have them already guess thats why My truck rides like a brick.
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Old 05-19-2010
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Well if ive got #1 bars that saves me money.. haha cause I wanted to get some. Now I know I have them already guess thats why My truck rides like a brick.
haha that why i love ranger-forums it saves you money but at the same time you end up spending more on mods
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Old 05-19-2010
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haha that why i love ranger-forums it saves you money but at the same time you end up spending more on mods
haha Tell me about it
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