best spark plugs

presto46 said:

thought I would see what guys are running for spark plugs im am running a 413 sbc planning on running a 150-200 shot it won't see nitrous too much it is a street strip car..

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Ii use ngk race plugs, work fine for me.

For nitrous and blower motors I use plain copper Champion plugs with the electrodes trimmed back a bit and rounded off. Cheap enough you can change them 2-3 times a year. And they work, especially with a good MSD box.

Jim

NGK and AUTOLITE are most popular

Autolite 3933 I think.

Excelerater said:

NGK and AUTOLITE are most popular

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x2

NGKs even in my lawnmower!

NGK in everything we got here!

NGK