Indexing spark plugs?

[slacker]

How would I go about this? (Having the spark plug gap pointing toward the intake valve)

 

[dc2GS-R]

Spark plugs and they're holes only have one thread start in the helix. It's only gonna go in one way. The only way to change that is to use a small spacer seats that sit at the spark plugs torque shoulder to stand it off to the proper part of the helix.

 

[red98teg]

waht is the point in doing this? they all should face relativly close to the same direction any way

 

[heykosal]

Just as Kyle said you're going to need washers.

 

[slacker]

Gotcha, my NGK plugs I bought had a washer on them, is that what it was for?

 

[red98teg]

^no thats a crush washer to keep the plug from backing out

 

[heykosal]

Aren't crush washers used for sealing, not locking? That's what lock washers are for.

 

[slacker]

Didn't look like a crush washer, looked like a lock washer to me.

 

[SpooledupRacing]

I don't see the point. Its mute to even attempt to "index" the spark plugs.

 

[dc2GS-R]

I don't see the point. Its mute to even attempt to "index" the spark plugs.

It is possible to find a few horsepower in high powered applications while dyno tuning. On the street though, you will never know whether you're actually helping or hurting your power.