Our Community is 940,000 Strong. Join Us.


another spark plug question


reelcrzy
10-09-2009, 01:29 PM
I have read that gm changed the plug gap on the 5.3 to .48 is this the gap i should be using on my 2001 or the original .60 gap ? thx

The_Mechanic_33
10-09-2009, 03:17 PM
You will find the gap size on the sticker under the hood.
But my index shows 0.060 in for that engine and year.

Add your comment to this topic!