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2011-2014 Mustangs
2011-2014 Mustang Talk
Kooks 1 5/8 headers before and after
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<blockquote data-quote="noldevin" data-source="post: 15678517" data-attributes="member: 166003"><p>A few things:</p><p>You mention one pull was in 4th, what gear were the rest in? Should be 5th, lower gears should give lower numbers. Given that the 4th gear pull was the highest, were the rest in 3rd? That could be hurting your numbers.</p><p></p><p>Second, sur_real and grabber are right. You have pretty conservative cams and have strived to maintain a strong mid range. That typically limits your horsepower numbers but gives you a wider power band (and you have a very fantastically wide and flat power band from 6k straight to almost 8k, that is not a bad thing).</p><p></p><p>Which brings me to my third point: you don't <em>stop </em>making power at 6k, you level off at 6k and continue to make basically peak power for almost 2k rpm. Your top end is not by any means "murdered", the curve looks exactly how it should, just a bit lower than you hoped.</p><p></p><p>I'd expect your combo to be making about 460-470rwhp. Either the dyno is reading low, it was in the wrong gear, or you are actually down on power for whatever reason, but the only way to know for sure is go get some trap speeds and see what she does at the track.</p></blockquote><p></p>
[QUOTE="noldevin, post: 15678517, member: 166003"] A few things: You mention one pull was in 4th, what gear were the rest in? Should be 5th, lower gears should give lower numbers. Given that the 4th gear pull was the highest, were the rest in 3rd? That could be hurting your numbers. Second, sur_real and grabber are right. You have pretty conservative cams and have strived to maintain a strong mid range. That typically limits your horsepower numbers but gives you a wider power band (and you have a very fantastically wide and flat power band from 6k straight to almost 8k, that is not a bad thing). Which brings me to my third point: you don't [I]stop [/I]making power at 6k, you level off at 6k and continue to make basically peak power for almost 2k rpm. Your top end is not by any means "murdered", the curve looks exactly how it should, just a bit lower than you hoped. I'd expect your combo to be making about 460-470rwhp. Either the dyno is reading low, it was in the wrong gear, or you are actually down on power for whatever reason, but the only way to know for sure is go get some trap speeds and see what she does at the track. [/QUOTE]
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2011-2014 Mustang Talk
Kooks 1 5/8 headers before and after
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