Originally Posted by Darkhelmet22
did a quick data logging. 60 degrees outside temp, spark was 24 degrees with knock sensor at 4 degrees. This morning at 45 degrees outside temp timing was 30 degrees with 0 degrees on the knock sensor. af lambda was .83 or 12.2 af ratio. The computer should increase timing until it sees knock. And look how much different the numbers are with a big change in outside air temp. Yes 30 may be "to high" but with knock sensor at 0 there should be no cause for worry.
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Good example but this is just one vehicle, we also talk about failures but with AM there have been failures with just basic N/A mods. When we look at Lund, VMP and the like the failures have been caused when pushing the stock block to the limit.
When a company doesn't have the ability to tune a car when going F/I or anything above 100 shot of nitrous I think this is saying something. The don't have the data record to write these tunes. I very well think none of their tunes are custom... rather they're just pulling from the record books.
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