Thread: AA Engine
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Old 05-09-2018, 01:57 AM   #3
Charlie Stephens
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Join Date: May 2010
Location: Southern California
Posts: 6,230
Default Re: AA Engine

The AA indicated the engine/transmission assembly was intended for a large (AA) truck. The engines were the same but the transmissions were different for the large trucks. The diamond blocks were post production replacement engines.

Charlie Stephens
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