All .060 when I gap plugs my gauge goes from .055 to .060 that's my go no go gauge anywhere in-between its good to go. I would not fudge with changing the plug gap. Yes I have had drivability issues using the wrong gap. Fords are the worst for this BTDT and got the wrong info from the under hood label. Look at the latest manufacture information. GM is .060
My dealer has the best price check them out.
Lets muddy the water a little more this is directly from the Manufactory.
Conventional
4.3 Liter V 6 Cylinder(s) 4.00" Bore 3.48" Stroke * GAP .060
Conventional
4.8 Liter V 8 Cylinder(s) 3.78" Bore 3.27" Stroke * Gap .040
6.0 Liter V 8 Cylinder(s) 4.00" Bore 3.62" Stroke * Gap .040
5.3 Liter V 8 Cylinder(s) 3.78" Bore 3.62" Stroke * Gap .040
I advise you to take the Vin. Number to the dealer and ask them its on their parts look up.
This post was edited by Hobo,NC on 03/24/2022 at 06:00 am.
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