Are ngk's gapped right.......
11 Second Club
Joined: Aug 2004
Posts: 891
Likes: 0
From: minneapolis,mn
I also check them all .055 is what I'm at.
Doh .035 is what I'm at guess my finger got lazy. I had them at 28 but regapped at the dyno last time there. I had a miss ended up being a crappy wire.
Doh .035 is what I'm at guess my finger got lazy. I had them at 28 but regapped at the dyno last time there. I had a miss ended up being a crappy wire.
Last edited by 1MEANGTO; Mar 5, 2006 at 09:15 PM.
Originally Posted by iamsickofitall
you're gapping tr6's that wide???
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Brett Foote
TECH Junkie
Joined: Aug 2002
Posts: 3,726
Likes: 0
From: Fort Collins, CO
I don't know why you guys don't run your gaps closer to .040. The smaller the gap the easier it is for the spark to jump the electrode. As cylinder pressure increases it becomes even tougher, and with the LS1's crappy COP ignition system it's imperative to keep your plugs gapped close. You could even run as close as .025 on the big HP stuff to make it that much more reliable and consistant.
Originally Posted by Ben R
I don't know why you guys don't run your gaps closer to .040. The smaller the gap the easier it is for the spark to jump the electrode. As cylinder pressure increases it becomes even tougher, and with the LS1's crappy COP ignition system it's imperative to keep your plugs gapped close. You could even run as close as .025 on the big HP stuff to make it that much more reliable and consistant.
are spraying and need to adjust the GAP as needed espically TR6s
Hawk
I havent ever had to run the gaps closer than .028 yet up to about 875 rwhp.
Guys...as Ben said...gap is a function of cylinder pressure and the amount of mass in the cylinder prior to spark. The more of that stuff you have the more power youll make. A 400 hp H&C car with 11 to 1 compression could run .045-.55 gap. Same car with a 150 shot will probably want a .032-.038. And a 300 shot maybe like .025-.030.
The only negative effect from too small a gap I have noticed was a slightly rougher idle at times.
Guys...as Ben said...gap is a function of cylinder pressure and the amount of mass in the cylinder prior to spark. The more of that stuff you have the more power youll make. A 400 hp H&C car with 11 to 1 compression could run .045-.55 gap. Same car with a 150 shot will probably want a .032-.038. And a 300 shot maybe like .025-.030.
The only negative effect from too small a gap I have noticed was a slightly rougher idle at times.
Staging Lane
Joined: Jan 2006
Posts: 99
Likes: 0
From: Edinburg, Tx
All Tr6's Are Pre-gapped At .030.. I Always Leave Install Them The Way Them Come I Just Take A Look To See If It Is Completely Closed Or Not.. But Have Never Ran Into A Closed Plug That Is Why They Have The Protective Cardboard Piece At The Bottom.. Also For Nitrous You Might Want To Try The Iridiums... Work Awesome And Last Longer.. A Little Pricey Though..
