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  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
  • Fox 5.0 Mustang Tech

spark plugs?

  • Thread starter Thread starter keepinitril
  • Start date Start date May 9, 2009

keepinitril

Member
Mar 24, 2009
102
1
18
Anaheim Hills
May 9, 2009
#1
  • May 9, 2009
  • #1
Im goin to throw a set of p heads with bigger valves, and then the gt40 manifold, and a small blower, were shootin for 400hp. I still need to buy a set of spark plugs, and as far as Ive seen, they all do the same thing, the only difference, is how many electrodes, the material made of, and then theres the pulstar(which cost an arm and a leg)

any thoughts, or just get the 4/each ones?
 

Mustang5L5

That is…until I whipped out my Bissell
Mod Dude
Feb 18, 2001
43,167
17,862
224
Massachusetts
May 9, 2009
#2
  • May 9, 2009
  • #2
my thoughts...

1-electrode only (the 2 and 4-electrod plugs hurt by shielding air/fuel mixture from spark)
N/A = copper (stock gap or larger if aftermarker ignition)
Boosted = iridiium (around 0.030-0.035" gap)


If you have the heads off, index the plugs to face the intake valve in the direction of the incoming air swirl into the combustion chamber
 

keepinitril

Member
Mar 24, 2009
102
1
18
Anaheim Hills
May 9, 2009
#3
  • May 9, 2009
  • #3
alright, can do
 
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