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      06-05-2011, 02:30 AM   #14
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Drives: E92 M3
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Originally Posted by luckistryke View Post
You going to have longevity problems when blowing a 7.0L thin wall motor. That's why GM decided to boost their 6.2 for their ZR1.
It depends on how you drive the car and how often you drive. But yes the cylinder walls and the valve springs are the weakest parts on those motors and that's why when you cam an LS7 you also get better valves. Boost/Spray and get the cylinder walls machined.

Besides I doubt that SLS will be problem free.
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