Knock retard, more than advance??
11-03-2001, 12:19 PM
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Car: '88 Formula
Engine: 350 TPI
Transmission: T-5... in need of slight rebuild
Knock retard, more than advance??
After using Craig's software I noticed that the computer was taking out about 20 to 30 degrees with a spike up to 100 degrees. Any ideas why this would happen? Is it possible to have a false knock that would mess with things that badly?
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'86 TA, T-tops, T-5, 3.73, 4 wheel disks 350, compucam 2040, performer intake,SLP Headers, 3" race magnum muffler, 1.6 Comp rockers, Ripper shifter, perf. friction pads, Hypertech ignition, Earls brake hoses, Hotchkis springs, Tokico Illumina 5 adjustable shocks and struts, Lakewood panhard and trailing arms
14.50@ 97 with carb... now converted to TPI
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'86 TA, T-tops, T-5, 3.73, 4 wheel disks 350, compucam 2040, performer intake,SLP Headers, 3" race magnum muffler, 1.6 Comp rockers, Ripper shifter, perf. friction pads, Hypertech ignition, Earls brake hoses, Hotchkis springs, Tokico Illumina 5 adjustable shocks and struts, Lakewood panhard and trailing arms
14.50@ 97 with carb... now converted to TPI
11-03-2001, 03:30 PM
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Sounds like the amount displayed is out. No way 100* of spark retard could be occuring (or even 20 - 30*) unless your spark advance was super high.
Might even be off by a factor of 10. 2-3* with spikes of 10* seems more reasonable.
Might even be off by a factor of 10. 2-3* with spikes of 10* seems more reasonable.
11-04-2001, 08:44 PM
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Car: '88 Formula
Engine: 350 TPI
Transmission: T-5... in need of slight rebuild
Is there any way of checking this? It doen't happen all the time, just whenever it feels like it. I haven't found a pattern yet, so thats why I think it may be a false knock.
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