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Discussion Starter #1
mark with a black magic marker on which side the electrode is.
then point the electrode directly towards the center of the intake valve
when you tighten the plug
 

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This is called...

"indexing" the plugs.

Did you notice improvement with this set-up?

Said to have notable performance gain. Probably makes the most difference at higher RPMs.

Properly done by adding shim gaskets under the plug gasket so you get proper torque and electrode position.

Never tried it myself, but have seen it done. -------- Al
 

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have not tried it yet

just heard about it. for a few extra ponies its worth it
 

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Re: This is called...

I researched this on the net, it said the most you would get is about 1% gain in HP, tops.

I did it anyways, no gain.
 

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Re: have not tried it yet

yes tyou probably wouldnt notice any gain. it oly ads like 3-4hp. what id does is help burn gas a little more efficiently. maybe save you a gallon every months of daily driving. it costs nothing, so why not
 
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