Side tapping spark plugs

[Tim7139]

I understand the thinking behind this, but how many owners actually take the time to alter their plugs. Any care to share any experiences, pluses or issues for what is primarily a street driven car? Curious minds want to know.

[bobcowan]

Not sure what you mean by "side tapping". But I use a standard Autolite copper core plug, gapped to .040".

I have used a Autolite racing plug, which has a cut back ground strap. I don't think it made any difference, though.

[Xack]

Yes, Who is this "Side Tapping" you speak of?

[bingo2]

I think he may mean "Side Gapping"; this along with indexing may provide a small increase in horsepower and torque and will most likely go unnoticed by the butt dyno.

[Tim7139]

My apologies, I thought my edit for "gapping" took, but I ran out and it bounced.
Of course I meant side gapping.

[Jeff Frigo]

Do you mean indexing?

[RICK LAKE]

tim7139 I have done both. I think it helps with power and also keeps the spark plug cleaner. I run 1 range colder that what spec is. I also run an "E" coil that puts out 70k volts. The coil also has an effect on the spark plugs. I like the copper contacts in the distributor. The jury is still out on using livewires. these have a capacitor in the end of each plug wire and help make silly spark. There was a test done that showed a 3-5 hp gain. Rick L.

[Tim7139]

Thanks. Not really looking at the power angle primarily just a good clean burn, got the hot coil but, hey, every little bit helps.