Spark plugs?

[askmrjesus]

Originally Posted by 101lifts2

I think there are many more variables that you can control (fuel quality, a/f ratio control, vehicle weight etc.) that will do more than attempting to position the spark plugs in the same position. Besides, there are alot of plugs these days that have 1 center electrode and 4 side electrodes making its position almost negligible.

Agreed...but the mods will make more of a difference than spark plug electrode position.

Where have I heard that before...

Originally Posted by askmrjesus

I have indexed plugs on two strokes, (adding washers to get the plug gap to face the intake ports) but I wouldn't recommended it on an I4, unless you have a dyno, and shit loads of time of your hands. Even then, you'd be lucky to get 1HP for every 100HP you started with.

JC

Oh yeah, now I remember....

JC