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Anyone actually mess with their X-Cal II??

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Old 02-19-2007, 10:27 PM
  #11  
modular81
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Default RE: Anyone actually mess with their X-Cal II??

ORIGINAL: NickSezz

My question is, has anyone messed around with the air/fuel ratio at WOT or the timing at different RPM increments? I know this is not something that should be done if one does not know what they are doing, but when there's a button or a **** to touch...ill touch it...even if its red..lol I am not clueless about what theseadjustments do so I am not really afraid to try. The only thing I have done was change the air/fuel at WOT to 2% leaner and 4% leaner. I didn't see a dramatic change so I put it back to Brents original settings. I do notknowenough about the timing to play with that, so if anyone can fill me in on how the timing is affected through the RPM range, that would be fantastic.

Can someone shine some light on this for me? Can these setting become useful of done properly? It seems that as the weather changes it may be a useful tool at the track depending on humidity and temp. Specs on my car are down below....Thanks in advance.
If you have tunes from any of the big three tuners,they usually are dead on and are very reliable and safe. So modifying a/f ratio and spark advance isn't neccessary. Granted, you should always get a coupleruns on a dyno with a/f monitoring to make sure air/fuel ratio are at optimal range. Never make your a/f leaner if you aren't sure what it was before. If you find out from a dyno or a wideband o2 sensor that you are lean, your tuner should be able to send you another tune.
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Old 02-20-2007, 01:17 AM
  #12  
doode
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Default RE: Anyone actually mess with their X-Cal II??

the steps posted about finding a new strategy code is using the SCT Xcal II

can this be done with a diablosport ?
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