Thread: NGK LTR7IX-11 (stock #6510) vs LZTR7AIX-13(#5107)
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Old 10-03-2017, 07:56 AM   #13
ProCharger
 
Drives: Many C7's
Join Date: Apr 2014
Location: Kansas City
Posts: 573
Quote:
Originally Posted by laynlo15 View Post
We just installed the Lt4 plugs in mine.
I made 914 rwhp on a set of those.
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