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Jeep Wrangler YJ
YJ General Discussion
2.5L DIY cold air intake
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<blockquote data-quote="Chris" data-source="post: 425692" data-attributes="member: 1"><p>Someone always wants to argue with me every time I bring up the CAI thing. They'll say, "Well I've heard you can get 3hp or so.", to which I always reply that you can gain or lose 3hp just on back-to-back dyno runs depending on heat soak, altitude, temperatures, air conditions, etc. 3hp is not an actual measurable gain, that's just variances in all the conditions. </p><p></p><p>And then of course there is the whole idea that adding more air adds more power. YES, it can, but you need to open up the entire pathway, not just the intake. By opening up the intake, you then make the next bottleneck the intake manifold and cylinder head. So unless you plan on installing a larger intake plenum, porting the cylinder heads, and tuning the ECM to accommodate for this, you're wasting your time. </p><p></p><p>Of course it doesn't help that these companies make air intakes and sell them under bullshit marketing claims. I guess we were all young and dumb once. </p><p></p><p>Well, hopefully someone chimes in. Maybe [USER=18666]@Fouledplugs[/USER] knows a thing or tow. His YJs are far from stock <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite4010" alt=":ROFLMAO:" title="ROFL :ROFLMAO:" loading="lazy" data-shortname=":ROFLMAO:" /></p></blockquote><p></p>
[QUOTE="Chris, post: 425692, member: 1"] Someone always wants to argue with me every time I bring up the CAI thing. They'll say, "Well I've heard you can get 3hp or so.", to which I always reply that you can gain or lose 3hp just on back-to-back dyno runs depending on heat soak, altitude, temperatures, air conditions, etc. 3hp is not an actual measurable gain, that's just variances in all the conditions. And then of course there is the whole idea that adding more air adds more power. YES, it can, but you need to open up the entire pathway, not just the intake. By opening up the intake, you then make the next bottleneck the intake manifold and cylinder head. So unless you plan on installing a larger intake plenum, porting the cylinder heads, and tuning the ECM to accommodate for this, you're wasting your time. Of course it doesn't help that these companies make air intakes and sell them under bullshit marketing claims. I guess we were all young and dumb once. Well, hopefully someone chimes in. Maybe [USER=18666]@Fouledplugs[/USER] knows a thing or tow. His YJs are far from stock :ROFLMAO: [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
2.5L DIY cold air intake
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