Thread: Ram Air IV vs: SD455
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Old 04-05-2016, 03:23 AM
caj caj is offline
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Default Ram Air IV vs: SD455
Ok Pontiac gurus and enthusiasts. Here's one for you. What is the rarer, more desirable, fastest engine between the 70 RAM AIR IV and the 73 SD455? I know they are both underrated and rare but given a choice between the two....what would be your choice and why? Thanks, Craig
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