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**Wrenchbender Ret** · 06-23-2011, 04:37 PM

I like the factory HEI unit. It has a spark like a bolt of lightening. They are dependable. For my Task Force trucks I use the petronics changover kit because of the firewall clearance. Some petronics systems still use the resister. Read the directions.

06-23-2011, 04:37 PM	#8
Wrenchbender Ret Registered User Join Date: Oct 2005 Location: Overland Park, Ks. Posts: 5,190	Re: HEI VS Pertronix I like the factory HEI unit. It has a spark like a bolt of lightening. They are dependable. For my Task Force trucks I use the petronics changover kit because of the firewall clearance. Some petronics systems still use the resister. Read the directions.