Current spark plug recommendations
09-14-2022, 08:45 PM
#1
Senior Member
Thread Starter
Join Date: Dec 2010
Posts: 1,206
Total Cats: 98
Current spark plug recommendations
Gents,
I need new plugs. I've run NGK Iridiums on my track car for years. I've used the 6-11 and 7-11 since going FI. I've got a Rotrex equipped NB1 putting out about 225 rwhp with ~10psi boost. What's the current thinking on heat range and gap?
Thanks,
I need new plugs. I've run NGK Iridiums on my track car for years. I've used the 6-11 and 7-11 since going FI. I've got a Rotrex equipped NB1 putting out about 225 rwhp with ~10psi boost. What's the current thinking on heat range and gap?
Thanks,
Reply
0
0
09-14-2022, 09:40 PM
#2
Senior Member
Join Date: Aug 2019
Location: Central Commie Land
Posts: 610
Total Cats: 55
BKR7EIX, .032” gap. At 10psi, if you have a strong ignition I would try the -11 with the .043” (1.1mm) gap. If your not doing extended high speed driving, the 6 heat range would be fine.
Reply
0
0
Thread
Thread Starter
Forum
Replies
Last Post
