05-31-2007, 07:23 PM
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CC Member
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Join Date: Feb 2006
Location: Perth,
WA
Cobra Make, Engine: G-Force kit, LS1, 4L60, 4.09 LSD... Gone to Queensland!!!
Posts: 588
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Not Ranked
The beauty of the iron block is it's ability to bored, (up to 120thou) with a 4in. crank just 30thou over gives you 408.
The main advantage of the iron block though is it's strength. For forced induction or big revs the iron block is almost a must have.....
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