plug colour

[old gh bug]

Interested in peoples thoughts on the colour of my plugs they are all roughly the same
runninga 2110 twin 44 idfs 9:1 cr NGK D8EA

do i need a hotter plug

[madmike]

with today's fuel it's hard to tell, but I try to get a nice 'chocolate" brown when Dialing in the Jetting so I'd say no on a hotter plug ,, I try and run the coldest plug I can get away with
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'Black Ice'Drag Buggy 'Turbo'
Rail Buggy 1915 turbo
76 Drag/Street bug 2180cc 'Turbo' 11:85 @113 mph"If I go any faster I'll burn up the Hamster" ,gets 28 mpg. also 10/09/22 11.90 @115 mph
"If I'm ever on Life Support,UNPLUG Me, Then Plug me back In see if that Works"

[Krochus]

Plug color with today’s fuel is a complete superstition. You’d glean more about how your engine is running by throwing some bones on the floor.

The only thing I look for on my plugs is signs of oil fouling


How is the engine running?

[nextgen]

I just pulled two of my plugs they also were NKG for got the number but had longer porcelain length.

The porcelain was brown but like you said I like a bit darker brown. Also mentioned about the gas, the only thing we can do is see if any plug out of the 4 is different.

Have to pull the the other two.
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[theDrew]

NGK 8's is a cold plug, might bump it down to 6's.

also I cut the threads off to expose the whole electrode -- tells a more complete picture
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