Forum Discussion
kvoiles
May 09, 2016Explorer
Harvard wrote:
Too little front end +caster will manifest itself as loose steering (and wandering) at highway speeds.
The Ford specified caster range is from +1.5 to +7.5 degrees. From my observations over the past 6 years it appears the E series comes off the Ford production set at about +3.5 degrees which is OK for city driving but very undesirable on the highway. Some RV builders do an alignment after building the body but many do not. You want to get up to LH +5.0 and RH +5.5 degrees for good results.
Google Ford E450/E350 caster for lots of info.
When I called Pleasure-Way, they told me that 3.5 is what they set it at and recommend. I'm wondering if they are just parroting the Ford specs to avoid warranty issues? What is the downside of increasing to +5?
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