You may want to check out this site, part of a long series on redoing a '51 Super. The author installed a 350 using Bendtsen adapter. Note, incrresed pickup is a given if you replace an early dynaflow with a modern automatic. Good luck. (I'm replacing a Dynaflow with an original equipment 3 speed standard shift, more to avoid the tendancy to leak than in hopes of enhanced performance. http://www.webrodder.com/article.php?AID=235&SID=6
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