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BUBBAS IGNITION · 02-17-2021, 09:10 AM

Wow , the engine builder was running on a myth !!!! I disagree , the vacuum brake is needed at the very least to prevent spark scatter . With no tension on the retard ring the spark will jump back and forth ( I call it spark scatter as that’s what it looks like on a distributor )
I will illustrate as time allows ..,

02-17-2021, 09:10 AM	#33
BUBBAS IGNITION Senior Member Join Date: May 2010 Location: SPEEDWAY INDIANA Posts: 4,148	Re: Harmon Collins build thread ... Wow , the engine builder was running on a myth !!!! I disagree , the vacuum brake is needed at the very least to prevent spark scatter . With no tension on the retard ring the spark will jump back and forth ( I call it spark scatter as that’s what it looks like on a distributor ) I will illustrate as time allows .., __________________ If it Makes Spark, we do it !!!! www.bubbasignition.com [email protected]