no, if you drop down to a 2.8 you would more than likely have a cam, headers, ported/or gen v blower, upgraded throttle body, bigger injectors, custom tune, intercooler, you would probably see 350whp...but it also depends on your cam, a friend of mine just ran an 11.34 on a 2.7 gen v blower setup with xpz cam, zzp stage 2 intercooler, stage 3 heads, zzp headers, 60lb injectors, custom tune.
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Current:
2004 Dale Jr Monte SS
Old:
01 3.2 intercooled GT RIP