Plug read guys chime in..

SXlover

SXlover

Active member
Joined
Sep 5, 2006
Messages
1,298
Age
35
Location
Minot, ND
This is at about 5000rpm, so probably the needle circuit. I think I need to richen it up here, what does everyone think. Keep in mind these are used plugs, hence the build up on them.

Pic 1 is clutch side
Pic 2 is mag side
Pic 3 is middle (it's a lil more brown than the pic shows, but you get the idea)
(Do a mouseover the pics and it will tell you too)
 

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  • Middle.JPG
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  • Mag.JPG
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from what im seeing o nmy screen you look good to me,,see your center elctrode?? the core it's just silver on the outside edge right??, with a darker to black center on it??, and the porcelin has a nice dark brown finish to it,ground strap is burnt half way back,you may be a little on the rich side but that's good.

how are you jetted? stock?
 
daman said:
from what im seeing o nmy screen you look good to me,,see your center elctrode?? the core it's just silver on the outside edge right??, with a darker to black center on it??, and the porcelin has a nice dark brown finish to it,ground strap is burnt half way back,you may be a little on the rich side but that's good.

how are you jetted? stock?
Click to expand...

Haven't had a chance to look at pistons. Just put on Speedwerx pipes. Jetted at 162.5, 47.5 pilots, 4.0 needle, 2 1/4 on the air/fuel screw.
It's 20F out and I want this good down to about -10F to -15F.
 
1# (center elctrode)on a trail sled you want to see it just silver on the outside edge all away around,,and with a darker to black center(core) on it.

2# (the porcelin)you want a nice light to darkish brown but not black

3#(the ground strap)you want it burnt halfway back is about right





Middle.png
 
daman said:
1# (center elctrode)on a trail sled you want to see it just silver on the outside edge all away around,,and with a darker to black center(core) on it.

2# (the porcelin)you want a nice light to darkish brown but not black

3#(the ground strap)you want it burnt halfway back is about right
Click to expand...

Thanks Daman, that's kind of what I thought after reading one of mrviper's threads on here. I need to do some more testing, but the middle cylinder is lighter than the other too. I'll just see how it goes.
 
daman said:
see if you can see wash,thats importan IMO
Click to expand...

Will do, have to try and find the flexible light we have, but I don't have time to check it today, so the sled is gonna be parked. Gonna ride my 97 SX instead, it's snowin out right now.
 
yea it's tuff,i use my little mag light dialed with a sharp beam and with just..the righ angle and piston position you can just see it.
 
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