Side Gapping (preferably for copper plugs only)

[Lester]

Just wanna share this with you. Works for me and my $2/pc BPR6ES-11.

 

 

http://performanceunlimited.com/documents/...idegapping.html

Edited September 7, 2007 by Lester

[Genie47]

The modern cars don't need it. Trex101 tried it. Massive misfiring and jerks with loss of power.

[Dynaway]

misfiring.... i think its more like uncontrolled bursting of flame during combustion stage.

 

the tips are there to create a controlled combustion flow of flame in the chamber...

 

once they are exposed(side-gapped) the timing must some how be delayed a little for normal idling....

 

 

 

u want better performance of combustion, inline all spark plugs with the tip in one direction..... u'll be able to see some slight effects.....

[Lester]

I'm driving a not so modern car. It's a pre 90's 8v, inline 4 banger.

[Lester]

Besides side gapping,I always index my plugs as well. Works great for me. Though can see a slightly shorter plug life than before. This is the 5th set of side gapped plugs. I change them every 10 000km. Quieter idling, slightly faster pick up. No misfiring issues for me.

[Yeobh]

Care to explain " index my plug" - what does that mean