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SN95 Cobras
IMRC delete tune, link missing
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<blockquote data-quote="luke87gt" data-source="post: 10488997" data-attributes="member: 49140"><p>I will be getting my car tuned in the next few weeks and am also interested to know what an experienced tuner does to address IMRC deletes.</p><p></p><p></p><p></p><p>I would assume the same. If you delete the IMRCs, the IMRC Spark Advance goes into a "safe" map mode (PCM assume the IMRCs won't open) and you won't get the benefit of the "normal" map mode spark advance.</p><p></p><p>I will be data-logging the stock tune, base tune, and any iteration tunes (I'm doing mail order) so I can see exactly what the commanded A/F is, spark advance, and actual A/F ratio over the RPM range at WOT. Once the A/F is where I need it to be and I am satisfied with the spark advance, I will dyno.</p><p></p><p>Interestingly (not sure if this is '96 specific), I have had my IMRC deletes installed with the short runner for about 800 miles now, and I have not gotten a CEL :??:</p></blockquote><p></p>
[QUOTE="luke87gt, post: 10488997, member: 49140"] I will be getting my car tuned in the next few weeks and am also interested to know what an experienced tuner does to address IMRC deletes. I would assume the same. If you delete the IMRCs, the IMRC Spark Advance goes into a "safe" map mode (PCM assume the IMRCs won't open) and you won't get the benefit of the "normal" map mode spark advance. I will be data-logging the stock tune, base tune, and any iteration tunes (I'm doing mail order) so I can see exactly what the commanded A/F is, spark advance, and actual A/F ratio over the RPM range at WOT. Once the A/F is where I need it to be and I am satisfied with the spark advance, I will dyno. Interestingly (not sure if this is '96 specific), I have had my IMRC deletes installed with the short runner for about 800 miles now, and I have not gotten a CEL :??: [/QUOTE]
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IMRC delete tune, link missing
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