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Some great advice given. Like all advice, it is only as good as the person receiving it wants to use it.
If you are talking about 911/930 Rods, I have never seen one fail if it was used as designed. Same for 944 Turbo Rods.
If they are rebuild correctly with care, they will do a great job. Its my opinion that all too often aftermarket rods are used when not required. I see Carrillo H section rods with Carr bolts in engines that make 250 HP and run at factory RPM limits.
Any part of an engine should be used based upon the engines use, performance and the parts used if its design falls within the engine use criteria. If there is a fitment factor, pump clearance, length or other design features that are required, then an aftermarket rod has to be considered. Weight is another factor. However, many aftermarket rods are as heavy as factory Rods.
If you are wondering about re using 944 Turbo Rods, have them rebuilt correctly, including all typical checks, handle them with care, and as suggested have them shot peened.
I am amazed at the mishandling of engine parts, I often see. Parts thrown down on the bench, put inside boxes without separations etc. This is one of my pet peeves, as is calling air cooled cylinders "jugs"!You put milk in jugs and pistons in cylinders!!
Just make sure that you do not induce the stress areas with nicks etc by mishandling. The engine will make you pay for it. I can assure you.
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