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Frod 21A vs 91
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12-24-2017, 01:29 PM
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35fordtn
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Join Date: Aug 2010
Location: McMinnville, TN
Posts: 2,327
Re: Frod 21A vs 91
So, aside from strength what makes the 21a rod so much better In a engine builders eye over say a 18- or 48- rod?
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