aluminum 5.3
04-15-2008, 11:26 PM
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aluminum 5.3 i have this 5.3 aluminum block from a trailblazer. I don't know what year it came from, but i do know its a gen IV engine. What i want to know is how big can i bore out the cylinders? is the max up to 5.7l or can go up to 6.0l?
