Thread: 421 short block
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Old 05-03-2021, 08:17 PM
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68WarDog 68WarDog is offline
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Quote:
Originally Posted by steve25 View Post
I would say so, even though you will not use the pistons and rods if they are stock!

Those steel rods in those 421 motors are weaker then the cast rods!
Thanks Steve. Although I would go with an after market rod , wasn't aware that 65 rods are considered weak. Thought that was the 58-60 forging?