jerflash

On my new build i am going with trick flow as cast 220 heads and my f13 cam. Trick flow recommends the NGK TR6 spark plug with their heads which is what i would run if i was only running NA. I also have a direct port 250 shot on top of my fast 90 intake. While shooting i would think it be wise to run a 8 heat range non projected plug.

Should i run the TR6 on the street and the other plugs at the track or should i just run some BR7EF plugs gapped to .035 and just call it a day?

joe

camscam02

iTrader: (21)

swap them

Black99TransAm

iTrader: (16)

i run br7's all the time and cant tell a difference. gapped at .028"

402GOAT

iTrader: (2)

Run the br8's for that big of a shot. I spray 2xx and run br8

jerflash

well the br7 is the coldest non projector resistor plug that i can find. Non of you guys see problems with running non-resistor plugs when at the track?

402GOAT

iTrader: (2)

They should be good all the time man. I do change mine after 3 or 4 Fridays at the track. If I was spraying several passes that is.

dnkynrbk

iTrader: (34)

I change them everytime before I spray. Better to be safe then sorry and have a bad plug. You can order a box of 8 through NitrousOutlet.

02TransAm/Batmobile

iTrader: (32)

What if you rarely if ever go to the track but sometimes use it on the highway. How often should you change the plugs?

Chris@NitroDaves

I'd put the 8's in there and have the car tuned N/A with them so it wont run that bad N/A