[LSX-STANG]

picked up a new car , looking for plugs and gap motor now has autolite 3922

combo is :
363 sbf
trickflow high ports ( ported by foxlake)
9.0:1 comp
vortech YSI-R

need anymore info ?

 

[TylerRay4269]

I run ngk's at .028 with 22 psi with a ysi

 

[blown90]

What fuel are you running

 

[tomato]

3932 , gap to be determined by ignition box .

 

[LSX-STANG]

What fuel are you running

93 oct fuel @ 18 psi

 

[LSX-STANG]

I run ngk's at .028 with 22 psi with a ysi

what number NGK ?

 

[LSX-STANG]

3932 , gap to be determined by ignition box .

MSD 6AL BOX

 

[blown90]

I would think you need an r5671A-7 ngk plug and gap them around 28-32

 

[TylerRay4269]

what number NGK ?

Ngk r5671-8 also with msd 6al box

 

[blown65]

I would think you need an r5671A-7 ngk plug and gap them around 28-32

Thats what I run with a digital 7. Gapped at .030. On e85 btw.

 

[LSX-STANG]

I would think you need an r5671A-7 ngk plug and gap them around 28-32

picking some up tonight ..thanks guys

 

[blownholley50]

r5671A-7 ngk at .025-.028 w dig 7, E85 21psi a/a intercooled

 

[Sickfox]

MSD 6AL BOX

You did not say much about the coil. With just a 6box I honestly would start the gap @ 20.
The NGK plugs are right but the CD box is not your friend here. Good luck.


Sickfox

 

[NOVALOU]

Has anyone got a performance gain going from an 8 to a 7 heat range plug? and how much?

 

[Thunderbird88]

You did not say much about the coil. With just a 6box I honestly would start the gap @ 20.
The NGK plugs are right but the CD box is not your friend here. Good luck.


Sickfox

First off, sorry OP for hijacking the thread a litte
What coil should you run? I need a coil for mine (have 6AL-2 box).
I don't care for price as long as it's not ridiculous, I want spark, lots of it.
Got any suggestions?

 

[blownholley50]

Has anyone got a performance gain going from an 8 to a 7 heat range plug? and how much?

I tried it back to back last year- on C16(have not tried since went to e85)-- I lost 1.5 mph or so and about 1-1.5 tenth going to the 8's-- put the 7's back in and gained it all back..