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Old 04-01-2011, 10:55 PM   #4
ULTRAZLS1


 
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Drives: 14 Silverado LTZ Z71, 16 Camaro SS
Join Date: Nov 2009
Location: Jackson, Michigan
Posts: 4,418
Numbers are a bit on the low side for a G6X3 in an M6 car. I would have guessed at least 475rwhp. 480+ is very common.....

Every dyno is different I guess....just a little below norm IMO.
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