Anyone with big builds or even smaller have this problem with Brisk or other Plugs?
03-12-2019, 10:39 PM
#2
Burning Brakes
I had them on my 2014 Z51 car with long tubes and knn cai. After a lil while, I chunked them and went back with NGK. I lost a couple mph in the 1/4 mile. Depending on your build, you might of not had a cold enough plug. What was it gapped at?
03-13-2019, 01:13 AM
#3
Race Director
Member Since: Mar 2001
Location: Bonneville Salt Flats, 223mph Aug. '04
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Yikes! Among other options, either you had some serious timing issue or the plugs are way toooooo hot! 
DON'T do again what you did here!
DON'T do again what you did here!
03-13-2019, 10:47 AM
#4
Le Mans Master
Thread Starter
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Location: Savannah GA
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Cruise-In IV Veteran
Think they were gapped too big at .30. I got them down to .25 holley and hp tuner logs showing misfires gone. I have one step colder I may go two steps once I get a bit more logging done and sent to my tuner Chris Crawford. Will report back.
05-18-2019, 04:42 PM
#5
I just ditched my Brisks in favour of NGK's. I started getting misfires, then my engine sounded like a Subaru. Tracked it down to one cylinder not getting any spark at all - laser thermometer read 70c on #6 and 300c+ on all other cylinders. I swapped everything before I did the plug, nothing fixed it. Swapped the plug and it was instantly fixed.
Annoyingly I dropped the plug straight out the bottom of the car and down a drain before I could inspect it
Annoyingly I dropped the plug straight out the bottom of the car and down a drain before I could inspect it