NPloysa said:Dodge front leaf springs-89 MY
Ford front leaf springs-99? can't remember but not that early, they used the TTB crap
The TTB crap uses leaf springs as well. Leaf springs were used long before the coil springs were.
nickleinonen said:maybe higher capacity filters are being used... the less times you open up that filter cartridge, the less chance of external debris entering the clean side of the fuel sub system
I don't know about that. The micron rating has changed as well. 2 vs. 10, at least in some cases.