anybody using there rear leaf springs on 1935 to40 fat fender ford ? I have 37 slantback I missed on spring setup BAD rides like a rock..had it to spring shop today and he told I will never get any kind of ride with the springs I have in it .im looking at the springs CE offers 48 eye to eye center pin at 24 that is what I need thay are 5 leaf 3inch ark.. anybody using them ?? any input will help guys don't need to make wrong move ... thanks vince[S