Hydramatic
#3
Burnout-dave, 54 55 and early 56 are the same. Mid 56 Olds changed,they added a park feature and and transmission cooler outlets.Both will bolt up the same and are good transmissions. Some say the 54 55 is a bit stronger if you are going to build a HP motor...Tedd
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bjtstarfire
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December 6th, 2006 09:56 AM
TECH9TWISTA
Transmission
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July 16th, 2006 06:51 PM