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New Edge Cobras
Are the extra CIs worth in Boosted Applications?
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<blockquote data-quote="Nazman" data-source="post: 7586740" data-attributes="member: 986"><p>Here is how these charths are utilized with a Turbo map. </p><p></p><p>From the turbo maps we can find out lots of very usefull information. Like with the diferent applications (ie: CIs) how the Turbo would behave and how it will come into the power band, if you are going to be in the man or even off the ma, if you could be surging and efficiency of the turbo!</p><p></p><p>Lets use the common T76 Turbo as an example:</p><p></p><p>T76:</p><p></p><p><img src="http://forums.mightymustangs.net/gallery//1227948302/gallery_1217_503_8786.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>So, here is what we can read starting at 3500-7000RPMs on a 284CI Motor at lets say 15PSI:</p><p></p><p>3500RPMs </p><p>~332.6HP</p><p>2.2PR</p><p>*Just off the map at the surge limit -Starting to "Spool Up"</p><p></p><p>4000RPMs</p><p>~380.1HP</p><p>2.2PR</p><p>*Right in the middle of the 70% efficiency island. Making power, spooled.</p><p></p><p>4500RPMs</p><p>~427.6HP</p><p>2.2PR</p><p>*Right at the edge of the 78% efficiency island. Making power, should be fully spooled by now.</p><p></p><p>5000RPMs</p><p>~475.1HP</p><p>2.2PR</p><p>*In the middle of the 78% efficiency island. Making power, fully spooled.</p><p></p><p>5500RPMs</p><p>~522.6HP</p><p>2.2PR</p><p>*In the middle of the 78% efficiency island. Making power, fully spooled very close to 62,000 inpeler (SP?) RPM.</p><p></p><p>6000RPMs</p><p>~570.1HP</p><p>2.2PR</p><p>*Near the edge of the 78% efficiency island, moving towards the 75% island. At or very near 65,200RPMs.</p><p></p><p>6500RPMs</p><p>~617.7HP</p><p>2.2PR</p><p>*In the middle of the 75% island. Still at ~65,200RPMs.</p><p></p><p>7000RPMs</p><p>~665.2HP</p><p>2.2PR</p><p>*Right at the 75% efficiency island, at about 68,000RPMs.</p><p></p><p>7500RPMs</p><p>~712.7HP</p><p>2.2PR</p><p>*At the 70% efficiency island.</p><p></p><p>The T76 would be right at home at 15PSI on a 284CI motor. The higher the boost, the more power it would make but it will cost you efficiency in the higher RPMs (motor). So at 20 PSI @ 7000RPMs (for example) ~777.2HP, 2.2PR but it will be just off the map at 58% efficiency. That means that the AIT temps would be SICK high but the same PSI at 6000RPMs would be right at 75% efficiency island making about 660HP.</p><p></p><p>Now, lets do the same with the 322CI motor:</p><p></p><p>3500RPMs </p><p>~377.16HP</p><p>2.2PR</p><p>*Should be "Spool Up" at about 65% efficiency. Making power.</p><p></p><p>4000RPMs</p><p>~430.9HP</p><p>2.2PR</p><p>*Fully spooled at the 78% efficiency island. Making power.</p><p></p><p>4500RPMs</p><p>~484.8HP</p><p>2.2PR</p><p>*Right in the middle of the 78% efficiency island. Making power.</p><p></p><p>5000RPMs</p><p>~538.7HP</p><p>2.2PR</p><p>*Just off the 78% efficiency island @ ~76%. Making power, fully spooled.</p><p></p><p>5500RPMs</p><p>~592.6HP</p><p>2.2PR</p><p>*Right at the outher edge of the 75% efficiency island. Making power, right at 65,000 RPM.</p><p></p><p>6000RPMs</p><p>~646.4HP</p><p>2.2PR</p><p>*Moved back inside the 70% efficiency island at about 73% efficiency at about 67,000RPms. The turbo is loving it!</p><p></p><p>6500RPMs</p><p>~700.3HP</p><p>2.2PR</p><p>*Rigth at 70% efficiency, doing about 70,000RPMs. </p><p></p><p>7000RPMs</p><p>~754.2HP</p><p>2.2PR</p><p>*Just of the 60%efficiency island, out of Turbo doing ~70,000RPMs.</p><p></p><p>7500RPMs</p><p>~808.0HP</p><p>2.2PR</p><p>*Off the 60% efficiency island (off the map), at about 57% efficiency at 74,000RPMs.</p><p></p><p>The T76 would be right at home at 15PSI on a 322CI motor up-to 6800RPM or so, after that, the Turbo is not enough but it would be a SICK set-up for athe street with very quick spool and mid-range. The higher the boost, the more power it would make but it will cost you efficiency in the higher RPMs (motor). So at 20 PSI @ 7000RPMs (for example) ~881.2HP, 2.2PR but it will be off the map at probably >50% efficiency @ 80,000+RPMs. That means that the AIT temps would be SICK high. At the same PSI 6000RPMs it wold inside the 60% island at about 61% efficiency making about 753HP.</p><p></p><p>Naz</p></blockquote><p></p>
[QUOTE="Nazman, post: 7586740, member: 986"] Here is how these charths are utilized with a Turbo map. From the turbo maps we can find out lots of very usefull information. Like with the diferent applications (ie: CIs) how the Turbo would behave and how it will come into the power band, if you are going to be in the man or even off the ma, if you could be surging and efficiency of the turbo! Lets use the common T76 Turbo as an example: T76: [IMG]http://forums.mightymustangs.net/gallery//1227948302/gallery_1217_503_8786.jpg[/IMG] So, here is what we can read starting at 3500-7000RPMs on a 284CI Motor at lets say 15PSI: 3500RPMs ~332.6HP 2.2PR *Just off the map at the surge limit -Starting to "Spool Up" 4000RPMs ~380.1HP 2.2PR *Right in the middle of the 70% efficiency island. Making power, spooled. 4500RPMs ~427.6HP 2.2PR *Right at the edge of the 78% efficiency island. Making power, should be fully spooled by now. 5000RPMs ~475.1HP 2.2PR *In the middle of the 78% efficiency island. Making power, fully spooled. 5500RPMs ~522.6HP 2.2PR *In the middle of the 78% efficiency island. Making power, fully spooled very close to 62,000 inpeler (SP?) RPM. 6000RPMs ~570.1HP 2.2PR *Near the edge of the 78% efficiency island, moving towards the 75% island. At or very near 65,200RPMs. 6500RPMs ~617.7HP 2.2PR *In the middle of the 75% island. Still at ~65,200RPMs. 7000RPMs ~665.2HP 2.2PR *Right at the 75% efficiency island, at about 68,000RPMs. 7500RPMs ~712.7HP 2.2PR *At the 70% efficiency island. The T76 would be right at home at 15PSI on a 284CI motor. The higher the boost, the more power it would make but it will cost you efficiency in the higher RPMs (motor). So at 20 PSI @ 7000RPMs (for example) ~777.2HP, 2.2PR but it will be just off the map at 58% efficiency. That means that the AIT temps would be SICK high but the same PSI at 6000RPMs would be right at 75% efficiency island making about 660HP. Now, lets do the same with the 322CI motor: 3500RPMs ~377.16HP 2.2PR *Should be "Spool Up" at about 65% efficiency. Making power. 4000RPMs ~430.9HP 2.2PR *Fully spooled at the 78% efficiency island. Making power. 4500RPMs ~484.8HP 2.2PR *Right in the middle of the 78% efficiency island. Making power. 5000RPMs ~538.7HP 2.2PR *Just off the 78% efficiency island @ ~76%. Making power, fully spooled. 5500RPMs ~592.6HP 2.2PR *Right at the outher edge of the 75% efficiency island. Making power, right at 65,000 RPM. 6000RPMs ~646.4HP 2.2PR *Moved back inside the 70% efficiency island at about 73% efficiency at about 67,000RPms. The turbo is loving it! 6500RPMs ~700.3HP 2.2PR *Rigth at 70% efficiency, doing about 70,000RPMs. 7000RPMs ~754.2HP 2.2PR *Just of the 60%efficiency island, out of Turbo doing ~70,000RPMs. 7500RPMs ~808.0HP 2.2PR *Off the 60% efficiency island (off the map), at about 57% efficiency at 74,000RPMs. The T76 would be right at home at 15PSI on a 322CI motor up-to 6800RPM or so, after that, the Turbo is not enough but it would be a SICK set-up for athe street with very quick spool and mid-range. The higher the boost, the more power it would make but it will cost you efficiency in the higher RPMs (motor). So at 20 PSI @ 7000RPMs (for example) ~881.2HP, 2.2PR but it will be off the map at probably >50% efficiency @ 80,000+RPMs. That means that the AIT temps would be SICK high. At the same PSI 6000RPMs it wold inside the 60% island at about 61% efficiency making about 753HP. Naz [/QUOTE]
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