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Discussion Starter #1
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 ?
 

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

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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?
 

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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..
 
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