- Location
- Warsaw, IN
Thats what i thought. Im thinking it just means how much porcelain is sticking out past the metal part of the plug.
Important
- Thread starter bshaw
- Start date
BRIANHO13
<- Yum Chocolate
- Location
- Spring, TX
I think it has to do with engine torque. Just a constant on and off making the body roll a little more that direction.
Swapping sides will probably help.
poorboy87
NAXJA Forum User
- Location
- Linton Indiana
If they stick out too far the could possible touch a piston. Which is bad.
The length it sticks out is also related to the heat range of the plug but I can't remember exactly how.
- Location
- Warsaw, IN
Never thought of that. The plugs i have at home are .12" of insulator projection. The ones that are suppose to be in the zj are .2" of insulator projection. So the ones i have at home are .08" shorter than the ones in the jeep. Hate to see new plugs go to waste.
poorboy87
NAXJA Forum User
- Location
- Linton Indiana
Take them in where you got them and see if they will exchange them.
- Location
- Warsaw, IN
It was over 2 years ago that i got them. Plus i can't remember where i got them from. lol
RedHeep
NAXJA #1499
- Location
- Landenberg, PA
4.0's run the best on the cheapest plugs you can find. You're having heartache over 12 bucks worth of sparkplugs.
- Location
- Warsaw, IN
RedHeep
NAXJA #1499
- Location
- Landenberg, PA
Does it kill the left leaf spring in australia?
w_howey
NAXJA Forum User
- Location
- The Mudwest
- Location
- Southwest IN
My 4.0s have always ran best on Champion copper truck plugs.
I *think* I ran Autolite standard plugs in my 5.2. Whatever Advance said was OEM in the Autolite line.
Edit: FWIW the PO of the black Chevy I had played with different heat range plugs and it ran terrible until I put OE spec back in.
Last edited:
RedHeep
NAXJA #1499
- Location
- Landenberg, PA
The LPS by me quit carrying them.
poorboy87
NAXJA Forum User
- Location
- Linton Indiana
I run champs in mine. The cheap ones.
I stick with OE plugs. My Ranger got Motorcrafts. My jeep gets Champs and the Envoy gets ACs.
You couldn't give me a set of Bosch plugs.
I stick with OE plugs. My Ranger got Motorcrafts. My jeep gets Champs and the Envoy gets ACs.
You couldn't give me a set of Bosch plugs.
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VAhasnoWAVES
NAXJA Forum User
- Location
- Lake City, Mi
I did notice increased body roll under torque in that direction when I removed my sway bar... Which was also when I installed a geared axle. And that's when it started to pronounce itself.
- Location
- Columbus, IN
Smash Hole
GFY
- Location
- Smash HQ
POLAR_JEEP_04
NAXJA Forum User
- Location
- Ohio
I can't get truck plugs anywhere around me but the parts jockey told my the regular coppers are about the same thing and that's what I used in my 4.0.
The magnum motors get autolite 3923s gapped to .045
The magnum motors get autolite 3923s gapped to .045
- Location
- Columbus, IN
For you Flex..
:cheers:
Big Hank
:cheers:
Big Hank
- Location
- Columbus, In
For you Flex..
:cheers:
Big Hank
:wave1:
