NGK BR7EFS

[mcafferty]

So are these the plugs i should be running and what should the gap be? thanks...Mac

[mcafferty]

is that the correct part number or name of the plugs? I have seen it also called the br7 and br7ef without the "s"

[Supersonic]

What plugs are you running now?

I am running the TR6 plugs.

[mcafferty]

tr6

[SVTom]

You decided changing the plugs is so much fun that you want to do it again?

[mcafferty]

i like pain:whips:

[Sweet35th]

Bah spark plugs in Ls are easy. 30min or bust. 45min with a few beers.

BR7EFS is the spark plug of choice for them. Factory gap is .032 on the BR7EFS which is fine. You may notice a slighly rougher idle. Some do, some dont.

[mcafferty]

So is it BR7EFS or BR7EF? what is the difference? people on the other boards are calling them two different things.

[Sweet35th]

We stock the EFS.....I cant recall what the S designation is for. I tried to find it on NGKs site but couldnt. I know its in thier catalog

[Sweet35th]

Ok, you have to run the BR7EFS... The BR7EF is a .750 reach plug, and the EFS is a .708 reach plug, which is what the modular motors use.

[mcafferty]

Here is the info i could find on them.
BR7EF
Part/stock # 3346
http://www.ngk.com/results_cross.asp?pid=Br7EF&x=0&y=0
-------
and then there are these:
BR7EFS
Part/stock # 1094
http://www.ngk.com/results_cross.asp?pid=Br7EFs&x=59&y=17

That site said the reach is .708 on both of the plugs (what ever that means) but the "s" is a standard tip and the other is a v tip.

[mcafferty]

thoughts?

[No1Ford]

thoughts?

Your going to lose some boost.:slap:

[mcafferty]

Your going to lose some boost.:slap:

:gayfight: I hope not from the plugs :eek: