Quote:
Originally Posted by kevman
Also, the rust theory is largely overstated.
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Not it isn't. I recently replaced a rotted subframe on a friends car it looks pristine from the outside but the repeated heat/cooling destroyed the frame, rear struts, and a bunch of other components. The LH rear strut sheering right off they lost all steering control luckily only spun out. Other cars of the same brand and era that are not stored in a heated garage do NOT have this issue, I know I work on them all the time.
Accelerated stress testing means heat/cold cycles over and over.