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<blockquote data-quote="shiroitenshi" data-source="post: 2244778" data-attributes="member: 27518"><p>Yup, J101 is right.. everything also can.</p><p></p><p>But for boost, I still say stick with something that can reference boost directly, rather than a workaround that cheats the map into not seeing boost. It's something to do with the load indices, and how fuelling is affected by load (which indirectly is refereced by the MAP sensor. I simply cannot see how a system that cheats the MAP can handle this in a reasonable manner.. Of course, there's always the option of overfuelling or more retard. Imagine having the same fuelling and ignition regardless of load zones on the ign. and fuel map, and you can see what I mean.</p><p></p><p>Of course, if anyone can enlighten me on this, I'd like to hear how it's done as well.</p><p></p><p>Anyway, all piggybacks and various management works, and all have their limits.. but overall, it depends on the tuner, and how familiar he is with a particular system.</p><p></p><p>As for cams.. what is a 'MAX' cam?</p><p></p><p>a) A cam with such a high lift that it doesn't clear the cam braces? :P</p><p>One engine builder showed me one such cam last week. </p><p></p><p></p><p>Where is the rocker arm ratios listed? Check BC's website.</p><p></p><p>b) Super high duration that makes your car idle like a wheezing asthma patient?</p><p>Hmm.. 290 is big.. so naturally 305 is bigger!, and better!</p><p>Stock R cams advertised duration = 29x. (Wow!) Actual duration = 24x (WTF?)</p><p>Toda C2 advertised = 30x (forgot actual number) Actual duration = 260 (Wow!)</p><p></p><p>c) A cam with the 'MAX' brand stamped on the ends of the cam? :P</p><p></p><p>Unfortunately, gaining performance is never so straightforward.. (>.<)</p></blockquote><p></p>
[QUOTE="shiroitenshi, post: 2244778, member: 27518"] Yup, J101 is right.. everything also can. But for boost, I still say stick with something that can reference boost directly, rather than a workaround that cheats the map into not seeing boost. It's something to do with the load indices, and how fuelling is affected by load (which indirectly is refereced by the MAP sensor. I simply cannot see how a system that cheats the MAP can handle this in a reasonable manner.. Of course, there's always the option of overfuelling or more retard. Imagine having the same fuelling and ignition regardless of load zones on the ign. and fuel map, and you can see what I mean. Of course, if anyone can enlighten me on this, I'd like to hear how it's done as well. Anyway, all piggybacks and various management works, and all have their limits.. but overall, it depends on the tuner, and how familiar he is with a particular system. As for cams.. what is a 'MAX' cam? a) A cam with such a high lift that it doesn't clear the cam braces? :P One engine builder showed me one such cam last week. Where is the rocker arm ratios listed? Check BC's website. b) Super high duration that makes your car idle like a wheezing asthma patient? Hmm.. 290 is big.. so naturally 305 is bigger!, and better! Stock R cams advertised duration = 29x. (Wow!) Actual duration = 24x (WTF?) Toda C2 advertised = 30x (forgot actual number) Actual duration = 260 (Wow!) c) A cam with the 'MAX' brand stamped on the ends of the cam? :P Unfortunately, gaining performance is never so straightforward.. (>.<) [/QUOTE]
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