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Old 05-30-2019, 02:19 PM   #16
neely_8
 
Drives: zl1 ABM A10
Join Date: Apr 2017
Location: Charlotte, NC
Posts: 21
If anyone has changed out plugs and wires on an LT4, how long did it take ? Cylinder 5 is misfiring so I bought a new set of NGK LTR71x and was told by tuner to gap at .035
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