T-FLEX CAD parametric model can automatically pick a parameter value from a standardized series in a database. Using this mechanism, it is possible to exclude application errors when assembling elements with non-standard parameters. As a result of dynamic changing of the plate width in an assembly, the bolt length is automatically picked from the standard series and changes discretely. The same happens when the diameter of a hole in an assembly changes dynamically
USA Link for Leaf Spring https://amzn.to/2rHnBJA
Canadian link for rear leaf spring https://amzn.to/2IzeRzX
Well it wasn’t even a couple weeks before my trip to the Yukon and the rear spring had to bust in the truck. Funny thing is a couple friends had just had the same issue with their f150 rear springs snapping a couple weeks before and now mine all within the 2005-2007 years. not pointing out anything but it seems to be a common issue. when you replace a spring you need to replace it in pairs otherwise your truck won’t sit level. if you want to chance it you can get a used spring at a wrecker and hope it has sagged pretty close to the same. the only issue with this job was the front leaf bolts that were a huge pain in the ass please keep this in mind while doing this job.
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