I've always ran champion copper 9s but my car is due for plugs and I'm wanting to try something new. I searched and found a bunch of recommendations but they were old threads, and spark plug tech always seems to be changing. What's everyone running these days? From what I read when searching I'm leaning toward the NGKs but not sure which ones. My car is your typical T2 with normal mods and 20psi.
I'm running the NGK BKR6E in my TIII and had them in my 2.5L T1 in my Daytona IROC as well. ALso use them in my truck.
NGK BR9ES
Non projected plug.
http://www.turbododge.com/forums/f4/...ngks-rock.html
Been running NGK GR5 for a while. Have also run BKR7E and Autolite AR51 plugs, no real advantage that I saw.
Autolite AR51's.
X2Originally Posted by tryingbe
I buy them in bulk because I run them on my sleds as well.
9's are ice cold! I think stock heat range for my mini equated to a 5 or 6 for NGK.
RN9 is a fine plug used on stock 340 engines.
The Reliant runs and even colder plug than that.
Working on clearing the decks.
Ngk tr6 cheap copper plugs might have to change them twice a year
My brother in laws use them on there v8 turbo 9 sec cars
I'll be getting some today
Stock NGK plug would be 4's
I like the BR9's because they are non protruding and I did have issues at one time with spark blow out, because I need a colder plug
and also because they are not expensive and I always have some on hand because I use them in multiple snowmobiles.
An equivalent Champion would be RN2C if I'm not mistaken.
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