what plugs do u guys like best?
for the engine in my signature, which has just been rebuilt , i ported and polished the heads and intake, siamesed plenum and tops of runners, LT1 roller cam (.0450 int. . 0461exh) 9.5:1 compression, and all the mods in sig.what would you reccomend?

 

Those rapid fires are the best for your money. just installing them alone give you much better spark better throttle response and better gas mileage.

 

I use NGK VR-4
seem to work great for me but i'm sure that you won't be able to tell the difference between 2 top of the line plugs.
Andrew

 

i voted the stock plugs, but yes those rapid fires are great, the bosh plugs are good yet the plus fours a just a wast of money

 

NGK

I wont ever let platnum touch my engine again.

 

ACCEL

 

NGK


If an uncles 9second Grand National runs them I'm sold

 

stock delco's

 

i just started work with autolite as a co-op and they seem to make some really good plugs. you wouldn't believe the amount of testing they do. they also make the splitfire plugs but from what i've heard they're of no benefit. i've seen test reports on bosch +4 and the ceramic insulator gradually detriorates along with the centerwire until the ceramic breaks off and bounces around your cylinder.

 

I voted stock delcos but i would put ngk in that is what I use and have been happy with them.