Not to rain on the aeroforce gauge, cause its an awesome gauge, but I asked this same question to the Tech Gauge guy and got a response that told me the Tech Gauge was showing degrees of timing retarded due to knock.
We 'think' we verified this with a w/i kit... s2 with toys and exhaust... Obviously on pump it would not hold hom for more than a second or two, and we had anywhere from 6-9 degrees of knock retard with timing at redline around the mid to low 20's.... Installed w/i and the count went down to .5, and timing advanced up to 35 degrees at redline.
TJ
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In Memory of Steven "Nightshade" Lorenz
May you rest in peace.
6/11/1987-4/4/2006
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