Rear B code Capacity???
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Joined: Apr 2021
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Rear B code Capacity???
I preparing for the V/modded B spring swap and I'm having a very hard time used ford springs in good shape. I'm shopping around for other viable options for new springs. I've read a lot of older posts and found that when talking to aftermarket spring shops it better to reference the factory spring capacity rather than the Ford code. I found that the front V codes have a 5200 lb capacity (per pari) but I can't seem to find the factory capacity rating for the ford B code rear spring anywhere.
ATS suspension is one option I was looking at for springs. if I go for a 2600 lb rated front spring it is actually listed as the X code on their site.
I'm wanted to to the same thing for the rears (ensure I'm using the spring ratings not the ford codes).
BTW has anyone performed the V/modded B swap using springs from ATS or anywhere else?
Thanks.
ATS suspension is one option I was looking at for springs. if I go for a 2600 lb rated front spring it is actually listed as the X code on their site.
I'm wanted to to the same thing for the rears (ensure I'm using the spring ratings not the ford codes).
BTW has anyone performed the V/modded B swap using springs from ATS or anywhere else?
Thanks.
Last edited by Chupp; Oct 12, 2021 at 02:09 PM.
FTE Remembers
Joined: Apr 2011
Posts: 8,259
Likes: 346
From: Northern California
your stock springs
front
v8 330 lbs/in
v10 350 lbs/in
7.3 370 lbs/in
rear 420 lbs/in
the rear f250 B code is a 2 stage spring so there are 2 rates
primary 330 lbs/in
secondary 660 lbs/in
depending on how you modify the B pack will determine the final rates but most of the ones I see are
primary 420 lbs /inch
secondary 660 lbs/inch
spring capacity is a simply Travel x rate = capacity
front
v8 330 lbs/in
v10 350 lbs/in
7.3 370 lbs/in
rear 420 lbs/in
the rear f250 B code is a 2 stage spring so there are 2 rates
primary 330 lbs/in
secondary 660 lbs/in
depending on how you modify the B pack will determine the final rates but most of the ones I see are
primary 420 lbs /inch
secondary 660 lbs/inch
spring capacity is a simply Travel x rate = capacity
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