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flatjack9 · 07-13-2014, 09:13 AM

Most Mallorys have a slow advance curve. Just the opposite of what a flathead wants. You need about 22 to 24 degrees by 2000 rpm. You'll need to establish a timing mark and check the advance with a timing light.

07-13-2014, 09:13 AM	#2
flatjack9 Senior Member Join Date: May 2010 Location: Oshkosh, Wi Posts: 4,608	Re: how hot is hot Most Mallorys have a slow advance curve. Just the opposite of what a flathead wants. You need about 22 to 24 degrees by 2000 rpm. You'll need to establish a timing mark and check the advance with a timing light.