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Ignition advance

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Old 08-19-2006, 08:08 AM
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jabrun
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Default Ignition advance

Does anybody know how much extra timing aftermarket chips usually have built into them? A DRM chip to be specific.
Old 08-19-2006, 10:16 AM
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tpepmeie
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Generally, from 1-4 degrees, depending on load. Here are the entire spark advance changes from a DRM off the shelf cal. There aren't many.

Code:
SA#1 (SPT OPEN)	
3600 RPM	90kpa	+1.1	
		95	+1.1	
		100	+1.1	
4000 RPM	85kpa	+2.1	
		90	+2.1	
		95	+3.2	
		100	+4.2	
SA#2 (SPT OPEN)	
4000 RPM	85kpa	+2.1	
		90	+2.1	
		95	+3.2	
		100	+4.2	
4500 RPM	85kpa	+2.1	
		90	+2.1	
		95	+3.2	
		100	+3.2	
5000 RPM	85kpa	+1.1	
		90	+1.1	
		95	+2.1	
		100	+2.1	
5500-7000	all kpa	+2.8	28.2d total
Todd
Old 08-19-2006, 07:26 PM
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jabrun
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Thank you.

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