65coupei6 Famous Member Staff member VIP Jan 11, 2022 #1 Just doing some research. I have read you should switch to a colder plug when adding a turbo, nitrous or a supercharger. Also closing the gap because as the boost increases, smaller plug gaps are required to prevent spark blow-out. True?
Just doing some research. I have read you should switch to a colder plug when adding a turbo, nitrous or a supercharger. Also closing the gap because as the boost increases, smaller plug gaps are required to prevent spark blow-out. True?
P pmuller9 5K+ VIP Supporter 2018 Supporter 2021 Jan 11, 2022 #2 65coupei6 said: Just doing some research. I have read you should switch to a colder plug when adding a turbo, nitrous or a supercharger. Also closing the gap because as the boost increases, smaller plug gaps are required to prevent spark blow-out. True? Click to expand... True. As cylinder pressure increases the resistance between the plug gap increases. Last edited: Jan 11, 2022
65coupei6 said: Just doing some research. I have read you should switch to a colder plug when adding a turbo, nitrous or a supercharger. Also closing the gap because as the boost increases, smaller plug gaps are required to prevent spark blow-out. True? Click to expand... True. As cylinder pressure increases the resistance between the plug gap increases.
65coupei6 Famous Member Staff member VIP Jan 12, 2022 #3 Ok. Thanks. I am just getting prepared for an upcoming project.
P pmuller9 5K+ VIP Supporter 2018 Supporter 2021 Jan 12, 2022 #4 The smallest gap we ran was .025” with 35 lbs boosted methanol. What type of project are you looking at?
The smallest gap we ran was .025” with 35 lbs boosted methanol. What type of project are you looking at?
65coupei6 Famous Member Staff member VIP Jan 12, 2022 #5 Supercharger. Looking at 6-8 of boost. Running with a FiTech. I was thinking .035 gap?
P pmuller9 5K+ VIP Supporter 2018 Supporter 2021 Jan 12, 2022 #8 .035" plug gap should be good. You probably already know this, use 40 to 50 ohm/ft spiral core wires.
.035" plug gap should be good. You probably already know this, use 40 to 50 ohm/ft spiral core wires.