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Old 05-31-2013, 07:55 AM   #18
Bad70supreme


 
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Drives: 2010 aqua blue SS/RS M6
Join Date: Feb 2010
Location: plainfield, IL
Posts: 2,498
I am pretty sure you can safely go to 427 on the stock block. I am not sure about what power level, but there are a few guys on the site that have gone 427. You can get the 427 stroker kit from texas speed!
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217/228 .565 lift, XS headers, 3" exhaust, th400 swap FTI 3600 stall. 11.75@117
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