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Old 11-20-2017, 11:46 AM   #80
ULTRAZLS1


 
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Drives: 14 Silverado LTZ Z71, 16 Camaro SS
Join Date: Nov 2009
Location: Jackson, Michigan
Posts: 4,407
Quote:
Originally Posted by SuperSound View Post
Was there an actual change in rating for the Z or T/A? They also went to a smaller cam and something in the fuel was changed if I remember. This period was terrible for inaccurate ratings to begin with.

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If I recall it was 310 hp in base form up from 305. But yeah ratings were terrible. Was a ~350 hp motor
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