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Author Topic:   SPARK PLUG HELP
D-CUZZ
unregistered Total posts: 90
posted March 07, 2001 04:36 PM
I AM BUILDING A NEW MOTOR THIS YEAR 377 WITH BRODEX #10 ALM. HEADS AND DOME PISTONS I PLAN ON RUNNING ALKY AND DON'T KNOW WHAT PLUGS TO USE. YOUR HELP PLEASE

modbob35
Dirt Roller

Total posts: 9
posted March 08, 2001 05:56 AM
I have about the same setup and using Autolite Racing Plugs AR51. Set at .025" per Autolite.

wfoondirt
Dirt Maniac

Total posts: 142
posted March 08, 2001 08:39 AM
I run autolite 2594 or 2593 dependant on weather, same heat range as the 51 but with an extended electrode. .025 is a little tight for alcohol but it depends on your ignition system. With a good cad system you should run .035-.045 gap.

[This message has been edited by wfoondirt (edited March 08, 2001).]

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