I ran my engine where it was completely dark to check for some things...and I noticed 2 or 3 plugs were glowing around the base. All are in tight, and all the wires are clipped on good. I can't see it close enough to distinguish exactly where the bluish light is coming from.

Ideas?

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"American made baby. 100% American iron. The muscle among the masses. My hero. Yep, you can take your ergonomically designed, space age, computer controlled, 4 door, cup holding map lighted split double wishbone split fold down retractable cargo covered moon roof piece of transportation and keep it. For I have felt the thunder. And I know the difference!"
JSP Motorsports
ICON Motorsports

 

How old are the wires?

 

Virtually brand new. They went in with the motor..only a couple hours running time on them.

 

i heard that was a NATURAL phenominon, at least if they were just GLOWING, but i guess if there was actual sparks then it would be a problem. but i did read somehwere that if u look at ur plugs at night u might seem them glowing cause of some kinda electric field stuff or wutever. but to me if u had 3 plugs arcing then u would notice a loss of power and u might be able to see some carbon where it is arcing too.

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- David
88' GTA 350 MODS---> air foil, K&N, Shift Kit, 180* therm, TB bypass, Gutted CAT

 

Jester, which plugs are they? I am noticing the EXACT same thing with my #3 and #5 plugs. I have new stock delco plugs, with new taylor wires. They glow at the base of the plug, and I cant figure out why.

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1989 IROC-Z 5.7L
NOS 5151 150HP kit
ProBuilt 700R4, PI Vigilante 2800 stall lockup
Baer Brakes 12" Sport System

 

Summit wires...and AC Delco plugs.
I also noticed it around the #3 and 5...

 

That's kind of normal, especially for resistor plugs... the "resistor" is actually a gap internal to the plug, so in fact there is arcing going on in there by design... But even apart from that, the porcelain is somewhat translucent, so the combustion within the cylinder is also partly responsible for the glow...

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"So many Mustangs, so little time..."
ICON Motorsports