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Old 11-14-2013, 07:52 PM
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1stgenbird 1stgenbird is offline
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Join Date: Jul 2005
Location: Derry, NH
Posts: 719
Default 455 Water Pump Differences

I have swapped a 455 into my Trans Am and am in the process of acquiring brackets to attach the alternator and power steering pump.
I have an alternator bracket that I'm told was used on the '70 GTO and T/A 455. The photo of the bracket attachment shows an arm of the bracket attaching to a bolt on the water pump. On my 455, I don't have a bolt in that location.
Were there different water pump styles in 1970 for the 455? The 455 I am using came out of a '70 Bonneville.