Just how powerful is a GM-HEI? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat

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Old 02-28-2004, 01:32 PM   #1
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Default Just how powerful is a GM-HEI?


This cup was created as a challenge, by Terry Fritz, the moderator of the Tesla-Pupman list, on 1998 when he, during a research aimed at creating a beginner'* coil, found out that a GE coil could be made to spark over a foot far when driven in Tesla Coil mode (air core, spark gap, tank cap, etc). Below you will find information on the cup, and the setup I am preparing to win it with (Terry is getting a little cocky over his record, its about time someone beats him
*General Motors High Energy Ignition Coil Spark Lenght Record

The coil used must be a "GM" High Energy Ignition Coil. No other makes are accepted. It may however be modified in any way that does not significantly affect its principle of operation. It can also be obtained from any aftermarket manufacturer as long as it is a direct replacement for the OEM part.

The present record is 13.25 inches which was achieved twice, before the coil blew, on November 22, 1998 by Terry Fritz

Basically the challenge is to use a GM-HEI coil to make a spark jump across two points beating the current record of an amazing 13.25"!! Talk about plug gap! Check out the web page http://www.powerlabs.org/gmheicslr.htm
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