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Old 09-02-2004, 02:23 PM
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Doc here

Most likely, what is causing the High RPM miss is when you converted the points distributer over to a high Energy conversion,

The Cap is not spaced Wide enough to Resist Cross fires across the plug pick ups, This is one reason why HEI Caps are so large.

Go to a Good Spiral Core 8 MM or higher wire too...And Wider Plug gaps.

You may Want to Consider, if you have the room, Getting a GM HEI Distributor ET&AL...They are good to about 7000 RPM.

Hope IT Helps!

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