Should I reduce castor?
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Mountain Pass
Joined: Nov 2018
Posts: 221
Likes: 10
From: Manitoba, Canada
Should I reduce castor?
So after 7 or months I finally got around to getting an alignment after putting in 1.5 inch spacers, adjustable track bar and 2.3 and 2.6 degree castor shims. My castor is high and the tech told me that he felt my front tires were badly scuffed he thinks from towing but I look at my tires and don’t understand. He reduced the toe. Searched scuffed tires on the internet and only found stuff about rubbing on curbs or rocks so don’t know what to look for. Should I leave it or lower my castor? I get a small steering shimmy on certain expansion joints but no death wobble.
5th Wheeling
Joined: Oct 2018
Posts: 41
Likes: 5
I certainly wouldn’t. I’m a big believer that we see so many issues with solid axles today (death wobble) because manufacturers have reduced OE caster specs to dangerously low levels in an effort to show higher fuel mileage numbers by reducing rolling resistance.
Until the last few years every solid steering axle on the planet ran about 7* and had little to no issues with wobble, vibration, steering wheel return, etc.
Until the last few years every solid steering axle on the planet ran about 7* and had little to no issues with wobble, vibration, steering wheel return, etc.
Cargo Master
Joined: Oct 2019
Posts: 2,834
Likes: 1,191
From: Southeast MO
By "scuffed" did he mean the edges were feathering? My Excursion did that and the alignment shop said that almost every diesel truck they see does it due to the weight. Whether that is true or not I don't know but it makes sense because the alignment was fine.
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