Jump to content

Help With Plug Gap

TYPE GENDY

Recommended Posts

TYPE GENDY Enthusiast

TYPE GENDY

Posted
Posted

Hey Guys,

 

I'm new here with my first gm pickup. I just got a 02 sierra 1500 with 120k miles and love it. I"m doing a slight tune up on it with a new fuel filter and plugs.

 

The plugs i got are ac delco 41-985s. My receipt says they are gapped to .040 and i should not deviate. The sticker in my engine bay says to gap to .060 though.

 

Should i leave them at .040 ? Are they a new type of plug that require a tighter gap?

 

TIA!

2000DV4.8 Senior Enthusiast

2000DV4.8

Posted
Posted

Leave them at .040". The 41-985 plugs are iridium, and I believe the plugs originally in the truck were platinum (which require the .060" gap).

MS3DALE Senior Enthusiast

MS3DALE

Posted
Posted
Leave them at .040". The 41-985 plugs are iridium, and I believe the plugs originally in the truck were platinum (which require the .060" gap).

 

:cheers: Leave'em at .040"

Archived

This topic is now archived and is closed to further replies.

Go to topic listing
×
×
  • Create New...