IML: Sagging Imperial Rear Ends

[Joe Strickland <jwstrick426@xxxxxxxxxx>]

I agree with one post that said to have new springs made to OEM 
specifications.  There are some threads about this topic available on 
the club website archives.  Be sure to consult them too.  Many years of 
Imperials with rear leaf springs have engineered-in rear end steering 
during cornering situations that would be defeated by heavy duty 
springs.  I would recommend staying with the original number of leaves 
in the springs and keeping the car stock.  If air or spring-assist shock 
absorbers put too much stress on the shock absorber brackets and cause 
them to crack, then in the long run they would not be worth the cost.  A 
number of our members have stated that they had good results by having 
their OEM springs re-arced.  That method is probably less expensive than 
brand new springs.  Of course you would need to verify that the OEM 
springs were not metal fatigued (developing stress cracks) before having 
them repaired.

Good luck.

Joe

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