Question:  How much rear axle cant is too much?

Answer:

There are differing opinions on how much rear cant is enough or too much. For me, there is no need to go more that 3 degrees. I usually use the Derby Worx axle press and rail rider tool and put 2.5 degrees cant in my rear axles. Its a fast and easy process and I know the degree I’m getting.

The only things you’re trying to do is 1) allow the rear wheels to migrate away from the car body and 2) get the rear wheels to roll on the edge instead of the flat tread. 2.5 to 3 degrees is really all that’s required to achieve both of those.

The only thing I remember from my Economics class in my first year of college is the Law of Diminishing Return. The professor used the analogy of how much money can the fast food Chicken Shack afford to spend on quality control to reduce the number of fried rats per 1,000,000 pieces of fried chicken. $500,000 per year in QC may be acceptable if you only end up with 100 fried rats per 1,000,000 pieces of fried chicken. How much more can you afford to spend on QC to get the number of fried rats to 50 per 1,000,000 pieces of chicken? Eventually you will reach a point to where you cannot pay more for QC because you will eat up (no pun intended) your profit margin and your return is reduced. The point is… the more you increase QC you will eventually reach a point of diminishing return.

Now what the heck does that have to do with too much rear axle cant? …I don’t remember.

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