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Cobra Forums
The Terminator
Engine/Tuning
Installed Lightning pulley today, now detonation!!!
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<blockquote data-quote="Jerryk" data-source="post: 209680" data-attributes="member: 4259"><p>What is your computer code? Chris Johnson (<a href="http://www.jmschips.com" target="_blank">www.jmschips.com</a>) told me that the QUD2 (the first program flashed on the 1st run Cobras) are significantly richer than the YDH1 (the latest program). W/ a 2.93 pulley, the QUD2 might be in the 15:1 area while the YDH1 (and maybe the YDH0) would be in the 16 to 17:1 AFR below 5000+ rpm..</p><p></p><p>WHY is everyone insisting on trying to drive these cars w/ a pulley and no chip? The chip gives (on a 2.93 pullied car) about 75lb/ft of torque at 2500rpm.. remind me why no chip? Sorry for the rant, this is not meant as a personal attack.</p></blockquote><p></p>
[QUOTE="Jerryk, post: 209680, member: 4259"] What is your computer code? Chris Johnson ([url]www.jmschips.com[/url]) told me that the QUD2 (the first program flashed on the 1st run Cobras) are significantly richer than the YDH1 (the latest program). W/ a 2.93 pulley, the QUD2 might be in the 15:1 area while the YDH1 (and maybe the YDH0) would be in the 16 to 17:1 AFR below 5000+ rpm.. WHY is everyone insisting on trying to drive these cars w/ a pulley and no chip? The chip gives (on a 2.93 pullied car) about 75lb/ft of torque at 2500rpm.. remind me why no chip? Sorry for the rant, this is not meant as a personal attack. [/QUOTE]
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The Terminator
Engine/Tuning
Installed Lightning pulley today, now detonation!!!
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