Forum Discussion
Harvard
Feb 04, 2018Explorer
Sam Spade wrote:Harvard wrote:
A lot has been said about 5 degrees of caster for the E Series and in hind sight it should been said to just add +2 degrees of caster with the bushings.
No, I don't think that is right at all.
Or at least grossly misleading.
What if you started out at 0. Then you would end up at +2 which is still not nearly enough.
Sorry Sam, I left a lot of detail out of my post.
It is my belief that Ford ships these cutaways with +3.5 to +4.5 degrees of runtime caster depending on the for aft nose attitude. Again, it is my belief that Ford installs the "keyed" bushing so that they can simply "adjust the toe and its good to go" alignment on the assembly line.
So by adding +2 degrees with Ingalls 594 bushings the unit will end up with +5.5 to +6.5 degrees of runtime caster. So, my suggestion is not to be specific of +5.0 degrees BUT to take all you can get from the Ingalls 594 bushings. One other point, from my hands on experience with our E450, which travels one degree nose down, when the Ingalls 594s were set to 0.0 degrees caster the alignment rack print out told me I had LH +3.3 and RH +3.5 degrees of caster.
My Caster Story Circa 2011
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