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JLT VS Densecharger Dyno Results
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<blockquote data-quote="tmhutch" data-source="post: 1356304" data-attributes="member: 4434"><p>Thanks everybody. Heres some more info for those who are looking at the A/F ratios:</p><p></p><p>I know many people make the best numbers at or above 13:1 but my combination makes the most power with the A/F under 13:1. My A/F sensor is welded in very close to the collector so it is going to read a little lower than the typical "sniffer" type that is put in the exhaust tip. Three to five tenths, I've been told.</p><p></p><p>Torque really takes a hit from anything over 12.8:1 in my combination. Look where I'm at with the JLT on A/F when the the tq curve peaks, it's quite high. As far as hp goes, my car peaks at 55-5600 rpm (governed by the intake). The A/F at this point with the Densecharger is in the low 12's which leaves very little room for improvement with my combination. The previous run with the Densecharger was between 12.8 & 13:1, but it only netted 323.3 hp. When the tq was peaking on that run (typically around 4500) my A/F was around 13:1 which resulted in 316.3 ft lb tq. </p><p></p><p>Above 6100 I am losing a couple ponies with the Dense' because it is getting a little rich even for my combo, but that's long past where my car peaks hp. I used the best numbers I could squeeze out of the Densecharger. I made a total of six runs getting it dialed in.</p><p></p><p>In the best run with the JLT it was running a little over 13:1, which definately leaves room for improvement in my combo.</p><p></p><p>Todd</p></blockquote><p></p>
[QUOTE="tmhutch, post: 1356304, member: 4434"] Thanks everybody. Heres some more info for those who are looking at the A/F ratios: I know many people make the best numbers at or above 13:1 but my combination makes the most power with the A/F under 13:1. My A/F sensor is welded in very close to the collector so it is going to read a little lower than the typical "sniffer" type that is put in the exhaust tip. Three to five tenths, I've been told. Torque really takes a hit from anything over 12.8:1 in my combination. Look where I'm at with the JLT on A/F when the the tq curve peaks, it's quite high. As far as hp goes, my car peaks at 55-5600 rpm (governed by the intake). The A/F at this point with the Densecharger is in the low 12's which leaves very little room for improvement with my combination. The previous run with the Densecharger was between 12.8 & 13:1, but it only netted 323.3 hp. When the tq was peaking on that run (typically around 4500) my A/F was around 13:1 which resulted in 316.3 ft lb tq. Above 6100 I am losing a couple ponies with the Dense' because it is getting a little rich even for my combo, but that's long past where my car peaks hp. I used the best numbers I could squeeze out of the Densecharger. I made a total of six runs getting it dialed in. In the best run with the JLT it was running a little over 13:1, which definately leaves room for improvement in my combo. Todd [/QUOTE]
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